Shower and Sink Drainage System May Leak – 2022 Winnebago Ekko

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INSTRUCTIONS TO PERFORM RECALL CAMPAIGN 165 Page 1 of 23 PROPERTY OF WINNEBAGO INDUSTRIES INC. FOR AUTHORIZED DEALER USE ONLY. Models Affected 2022 EKKO Tools and Parts Required – Hose Cutter – Drill – 3 ½” inch hole saw – #2 Phillips screw tip – Flat Head Screwdriver – Heat Gun – Wire Cutters – Wire Crimpers – Sealant Applicator – Utility Knife – Torque Wrench with fittings to torque 3/4” nut (torque settings are given in both ft/lb and in/lb) – Silicone – Magnet Tray – 6mm Nut Driver – 5/16” Nut Driver – Work Mat – Shop Towels – White and Black Markers – Alcohol Wipes – Electrical Tape – Wet/Dry Vacuum NOTE: Only use the parts supplied in recall kit RC7650-22-765 to complete this repair. It is important to follow these instructions in the order they are given. These instructions contain 23 pages, work through all steps to ensure a complete remedy is performed. Familiarize yourself with the model you are working on before proceeding. Ensure all power has been disabled before proceeding Failing to power the system down before performing work can result in serious injury. INSTRUCTIONS TO PERFORM RECALL CAMPAIGN 165 Page 2 of 23 PROPERTY OF WINNEBAGO INDUSTRIES INC. FOR AUTHORIZED DEALER USE ONLY. Contents of Recall Kit X2 X2 Pan B Pan B Pan A Pan A INSTRUCTIONS TO PERFORM RECALL CAMPAIGN 165 Page 3 of 23 PROPERTY OF WINNEBAGO INDUSTRIES INC. FOR AUTHORIZED DEALER USE ONLY. IF EQUIPPED WITH GENERATOR If equipped with a generator, extra steps need to be taken. Failure to do so may result in damage to wires. 1. Verify the location of the battery disconnect. If it is in the battery compartment, no extra steps need to be taken. Move on to page 4. 2. If the battery disconnect is in a separate compartment, follow the 110 Volt generator wire from the generator to the Automatic Transfer Switch in the Dinette Cabinet. 3. If excess wire is in the battery compartment, move on to Step 7. 4. If no excess wire exists, remove any silicone on the 110 Volt wire going from the battery compartment towards the inside of the coach. 5. After removing the silicone, pull on the wire to remove any excess wire between the compartment and the floor. 6. Continue with Step 7. Clear silicone here Clear silicone here Battery Disconnect in Battery Disconnect in battery compartmentbattery compartment INSTRUCTIONS TO PERFORM RECALL CAMPAIGN 165 Page 4 of 23 PROPERTY OF WINNEBAGO INDUSTRIES INC. FOR AUTHORIZED DEALER USE ONLY. CRITICAL SAFETY STEP Failing to power the system down before performing work can result in serious injury. 7. Insert a work mat to protect the flooring through the duration of these instructions. 8. Remove the rear passenger seats by grabbing in the front of the seat, carefully pull up ensuring you do not damage the retaining clips. The seat will pop out of the retainer clip and then lift out. 9. Remove the front cabinet panel by removing the 5 Philips screws in the face of the panel. Set aside for reinstallation of the panel. 10. If the heating duct is in the front panel, another screw connecting the duct and vent (back side of panel) will need removed. Set the screw aside for reinstalling the panel. INSTRUCTIONS TO PERFORM RECALL CAMPAIGN 165 Page 5 of 23 PROPERTY OF WINNEBAGO INDUSTRIES INC. FOR AUTHORIZED DEALER USE ONLY. 11. Using a white paint marker, make alignment marks on the seat frame for reinstallation of the seats. 12. Using a ¾” wrench, remove the 8 nuts and washers holding the 4 u-bolts on. Seat mounting hardware locations INSTRUCTIONS TO PERFORM RECALL CAMPAIGN 165 Page 6 of 23 PROPERTY OF WINNEBAGO INDUSTRIES INC. FOR AUTHORIZED DEALER USE ONLY. 13. Set the seat hardware aside for reinstallation. 14. The seat backs and cross members should now lift off the dinette cabinet. 15. For this step there are two 5 Amp fuses. Remove the 5 Amp fuse from the circuit with the JA1 and DA1 wires leading to the fuse. 16. After removing the fuse, use electrical tape to seal off the fuse receptacle. The replacement pump will be fused separately, and this fuse is no longer necessary with the new configuration. Do not reinstall the fuse. 17. Move any necessary heating ducts out of the way. One heating duct will point to the old pump. INSTRUCTIONS TO PERFORM RECALL CAMPAIGN 165 Page 7 of 23 PROPERTY OF WINNEBAGO INDUSTRIES INC. FOR AUTHORIZED DEALER USE ONLY. 18. The heating duct can be moved around and taken tight to the wall so that it is no longer in the way. 19. Unscrew the electrical bracket from the floor. a) On the back side of the bracket, there are two Phillips head screws. Remove these and the bracket will be free. 20. After becoming free, it is recommended to bring the electrical bracket up so that it is not in the way when setting the drain pan. a) Take caution when moving the bracket not to damage or overstretch any wires. 21. Using rags or a similar product, plug the wire holes in the floor to keep any water from dripping through the holes. Wire holes Wire holes needing needing temporarily temporarily pluggedplugged Electrical bracket Electrical bracket needing movedneeding moved INSTRUCTIONS TO PERFORM RECALL CAMPAIGN 165 Page 8 of 23 PROPERTY OF WINNEBAGO INDUSTRIES INC. FOR AUTHORIZED DEALER USE ONLY. 22. In the storage cabinet directly behind the seat, remove the access panel at the bottom rear of the compartment. Use a Phillips screwdriver to remove the two Phillips head screws and the panel will come free. Set aside the screws for reinstallation **Take extra caution to avoid spilling any water during the following steps. If any spills it is critical that it gets cleaned up before continuing. ** 23. Remove any water from the water pump. It is recommended to use a wet/dry vacuum to do this. 24. Remove the pump overflow tube. 25. In the lavatory, unscrew the shower strainer using a flat head screwdriver. Screws Screws securing securing access panel access panel Pump overflow Pump overflow tube. tube. INSTRUCTIONS TO PERFORM RECALL CAMPAIGN 165 Page 9 of 23 PROPERTY OF WINNEBAGO INDUSTRIES INC. FOR AUTHORIZED DEALER USE ONLY. 26. After removing the strainer, plug the shower drain hose by putting a rag or paper towel in the drain to keep water from dumping onto the floor during the removal process. 27. Cut the lavatory sink drain line as close to the elbow as possible while making sure to cut off any part of the hose that may be damaged or have sealant on it. 28. Plug the hose by putting a rag or paper towel in the drain line to keep water from spilling onto the floor during the removal process. Do this on both sides of the cut. 29. On the wastewater drain line, cut the hose on the pump side of the check valve. 30. Plug the hose by putting a rag or paper towel in the drain line to keep water from spilling onto the floor during the removal process. 31. Cut the power wires leading to the pump a) One wire will be black, and one wire will be grey. b) Trace them back from the pump and cut just after the nearest butt-splice on the yellow and white electrical wires. 32. Crimp a butt-connector onto each wire and tape over the end of the wire and butt-connector. These wires do not have power anymore and will not be necessary with the new configuration. Lavatory Sink Lavatory Sink Drain Line Drain Line Wastewater Wastewater Drain Line Drain Line Plugged Plugged drain linesdrain lines INSTRUCTIONS TO PERFORM RECALL CAMPAIGN 165 Page 10 of 23 PROPERTY OF WINNEBAGO INDUSTRIES INC. FOR AUTHORIZED DEALER USE ONLY. 33. Remove the two screws securing the pump to the floor. 34. Remove the pump being careful not to spill any remaining water in the system. 35. Move the lavatory sink drain line so that it is out of the way and no water can seep out through the end of the line. 36. Dry any water that may have spilled during the pump removal. 37. On the wastewater drain line, undo the hose clamps on the outlet side of the check valve leading to the wastewater tank. 38. Using a twisting and pulling motion, remove the check valve from the line so that the check valve fitting pulls out of the wastewater drain line. c) The check valve should look like this after being removed. 39. Remove the loosened hose clamps. 40. Plug the hose by putting a rag or paper towel in the drain to keep water from dumping onto the floor during the removal process. 41. Clean around the shower pan drain hole to remove all contaminants and sealant that might be on the top or bottom side of the shower pan. Water flow direction Water flow direction Remove this Remove this screw. The screw. The other screw will other screw will be on the be on the opposite side of opposite side of the pump the pump Example: This Example: This water needs water needs dried as soon dried as soon as possible if it as possible if it spilled. spilled. INSTRUCTIONS TO PERFORM RECALL CAMPAIGN 165 Page 11 of 23 PROPERTY OF WINNEBAGO INDUSTRIES INC. FOR AUTHORIZED DEALER USE ONLY. 42. Using Drain Pan A, mark the location of the drain hole a) When positioning the drain pan, the pan should get as close to the sidewall as possible and as tight to the cabinet panel as possible. Wires may need to be lifted/manipulated to achieve this. b) When positioning the pan, check for proper fitting in the floor cutout. The carpet may need to be trimmed with a utility knife. c) Use a marker to mark the perimeter of the drain hole 43. Mark the center of the circle. INSTRUCTIONS TO PERFORM RECALL CAMPAIGN 165 Page 12 of 23 PROPERTY OF WINNEBAGO INDUSTRIES INC. FOR AUTHORIZED DEALER USE ONLY. 44. Using the previously marked location, drill the drain hole using the 3 ½ inch hole saw a) Make sure not to cut through the steel for the compartment beneath the floor b) The pilot drill bit should not extend past the teeth of the hole saw any more than 25mm c) Stop drilling immediately after getting through the floor. 45. If there is foam under the floor where the hole was drilled, use a utility knife to cut and remove the foam following the perimeter created by the hole saw. 46. Clean the area to remove any debris that may exist. 47. Using alcohol/alcohol wipes, clean the bottom of Drain Pan A on the last two inches of the leg of the pan. Let sit for 60 seconds to dry. 48. Peel the backing off the bumpers and attach the bumpers to the leg of drain pan A in the cleaned area. 49. Apply silicone under the top lip of the pan drain gasket, as shown. INSTRUCTIONS TO PERFORM RECALL CAMPAIGN 165 Page 13 of 23 PROPERTY OF WINNEBAGO INDUSTRIES INC. FOR AUTHORIZED DEALER USE ONLY. 50. Insert the drain into Drain Pan A. 51. Clean Drain Pan A around the mating edge with alcohol/alcohol wipes. Let sit for 60 seconds to dry. 52. Add the VHB tape to the mating edge of Drain Pan A. Trim the tape to length. 53. Add a piece of the edge protector to Drain PAN A to protect the wires from getting damaged as shown. 54. Using alcohol/alcohol wipes, clean the bottom of Drain Pan B on the last two inches of the pan. Let sit for 60 seconds to dry. 55. Peel the backing off the bumpers and attach the bumpers to Drain Pan B in the cleaned area. 56. Add the 240mm long edge protector to Drain PAN B to protect the wires from getting damaged as shown. 57. Clean Drain Pan B around the mating edge with alcohol/alcohol wipes. Let sit for 60 seconds to dry. Drain Drain Edge protector Edge protector Drain Pan B Drain Pan B Mating Edge Mating Edge (Bottom side)(Bottom side) Drain Pan A Drain Pan A Edge protector Edge protector Drain Pan A Drain Pan A Mating EdgeMating Edge Drain Pan Drain Pan BB INSTRUCTIONS TO PERFORM RECALL CAMPAIGN 165 Page 14 of 23 PROPERTY OF WINNEBAGO INDUSTRIES INC. FOR AUTHORIZED DEALER USE ONLY. 58. Apply a ½ inch bead of silicone around the hole on the floor to seal around the drain hole. 59. Fill the overflow tube hole with silicone as that will no longer be needed. 60. Position the drain pan so that it sits as it did when marking the hole location. 61. Remove the backing on the tape on Drain Pan A. INSTRUCTIONS TO PERFORM RECALL CAMPAIGN 165 Page 15 of 23 PROPERTY OF WINNEBAGO INDUSTRIES INC. FOR AUTHORIZED DEALER USE ONLY. 62. Apply a ½ inch bead of silicone to the back of Drain Pan A. 63. Place Drain Pan B into the correct location so that the pan nests together with Drain Pan A. 64. When properly positioned, push down on Drain Pan B in the area sitting over the tape so that the two drain pans bond together with the tape. 65. Tool Silicone around the edge where the two drain pans meet. INSTRUCTIONS TO PERFORM RECALL CAMPAIGN 165 Page 16 of 23 PROPERTY OF WINNEBAGO INDUSTRIES INC. FOR AUTHORIZED DEALER USE ONLY. 66. Apply silicone to the back of the shower strainer. 67. Screw the shower strainer into the shower drain and tighten. a) Orient the shower drain so that the drain points in the direction of the pan Drain is shown over Drain Pan B without the shower pan in place. 68. Run the sensor cable rearward until it is no longer above the drain pan and then lay it along the passenger side of the drain pan leading back to the dinette cabinet. Ensure the sensor wire does not sit underneath of the drain in any fashion. Apply Silicone Apply Silicone HereHere Parallel Parallel INSTRUCTIONS TO PERFORM RECALL CAMPAIGN 165 Page 17 of 23 PROPERTY OF WINNEBAGO INDUSTRIES INC. FOR AUTHORIZED DEALER USE ONLY. 69. Guide the pump assembly into position over the drain pan until the shower drain line is fully seated onto the shower drain via the quick connect fitting. a) Push the shower drain line until it connects to the shower strainer. 70. After being connected to the shower drain, the pump kit should be in the correct location. Orient the pump kit so that all the connections of the preassembled pump kit are above the drain pan and that the bracket for the pump can sit flat on the floor. Attach the bracket to the floor where it best sits using the provided screws. 71. Slide two hose clamps onto the lavatory faucet drain line so they have opposite facing screws. 72. Remove rags / towels from lavatory faucet drain line, applied in step 22. 73. Using a heat gun, heat the end of the lavatory faucet drain line. Once heated, slide the drain line over the barb fitting on the preassembled pump kit T-fitting. a) Use proper safety practices when using the heat gun. b) Be cautious not to burn/distort the hose. Pump kit elbow Pump kit elbow above the drain panabove the drain pan Pump kit bracket Pump kit bracket sits up against sits up against the drain panthe drain pan Pump fittings sit Pump fittings sit above the drain above the drain panpan INSTRUCTIONS TO PERFORM RECALL CAMPAIGN 165 Page 18 of 23 PROPERTY OF WINNEBAGO INDUSTRIES INC. FOR AUTHORIZED DEALER USE ONLY. 74. Put the hose clamps over the barb fittings and tighten the clamps. a) Before tightening, the clamps should be turned 90 degrees from each other. b) The two hose clamps should be torqued to 20 +/- 2 in-lbs. 75. Slide two hose clamps onto the wastewater drain line. 76. Remove rags / towels from wastewater drain line, applied in step 24. 77. Using a heat gun, heat the end of the wastewater drain line. Once heated, slide the drain line over the barb fitting on the preassembled pump kit coupler fitting. a) Use proper safety practices when using the heat gun. b) Be cautious not to burn/distort the hose. 78. Put the hose clamps over the barb fittings and tighten the clamps. a) Before tightening, the clamps should be turned 90 degrees from each other. b) The two hose clamps should be torqued to 20 +/- 2 in-lbs. Wastewater Wastewater drain line drain line coupler coupler connectionconnection INSTRUCTIONS TO PERFORM RECALL CAMPAIGN 165 Page 19 of 23 PROPERTY OF WINNEBAGO INDUSTRIES INC. FOR AUTHORIZED DEALER USE ONLY. 79. Attach the wastewater drain line to the rear wall of the cabinet with the clamp so that the coupler on the wastewater drain line is secured over the drain pan. 80. Unplug the black to black 6-guage wire. 81. Plug the black wire terminals of the kitted wire harness into the now disconnected plugs. 82. Unplug the green to green 6-guage wire. a) This will be the larger diameter wire of the two green to green connections. 83. Plug the green wire terminals of the kitted wire harness into the now disconnected plugs. INSTRUCTIONS TO PERFORM RECALL CAMPAIGN 165 Page 20 of 23 PROPERTY OF WINNEBAGO INDUSTRIES INC. FOR AUTHORIZED DEALER USE ONLY. 84. Connect the red wire on the pump to the yellow kitted wire harness wire. Wrap this connection with electrical tape. 85. Connect the black wire with the spade connector on the pump to the white kitted harness wire. INSTRUCTIONS TO PERFORM RECALL CAMPAIGN 165 Page 21 of 23 PROPERTY OF WINNEBAGO INDUSTRIES INC. FOR AUTHORIZED DEALER USE ONLY. 86. Plug the 7-pin sensor cable from the shower strainer into the corresponding connection on the pump. Coil all excess wire and secure. 87. Reattach the electrical bracket so that it is secured to the wall and is suspended above the drainage pan using the provided screws. a) Locate the panel so that the top of the flange is approximately 55mm below the top panel of the cabinet and should be positioned approximately 160mm off the sidewall. Moved electrical Moved electrical bracketbracket INSTRUCTIONS TO PERFORM RECALL CAMPAIGN 165 Page 22 of 23 PROPERTY OF WINNEBAGO INDUSTRIES INC. FOR AUTHORIZED DEALER USE ONLY. 88. Turn the power back on. 89. Run water through the system for 5 minutes to verify no leaks exist. a) Run water through both the shower and lavatory faucet drains to ensure both are in working and non-leaking condition. 90. Pour 12 ounces of water in the drain pan to verify the drain plug opens correctly allowing water to drain from the pan. **This will drain onto your shop floor** 91. Move the previously adjusted heating duct so that it points at the water pump to keep water from freezing in the fittings. 92. Resecure the access panel in the storage cabinet using the previously removed Phillips screws. INSTRUCTIONS TO PERFORM RECALL CAMPAIGN 165 Page 23 of 23 PROPERTY OF WINNEBAGO INDUSTRIES INC. FOR AUTHORIZED DEALER USE ONLY. 93. Set the seat backs and cross members back on the dinette cabinet and align the seat so that the previously made alignment marks are realigned. 94. Using a ¾ inch socket, install the previously removed seat hardware. Using a torque wrench, torque the nuts to 57 +/-3.5 NM (42 +/- 3 Ft-lbs). 95. If present, reattach the heating duct to the front cabinet panel. 96. Reattach the front cabinet panel using the 5 screws that were previously removed with the panel 97. Slide the seat cushion into the correct alignment and push down on the front edge until it pops into place. If you have any questions regarding this recall remedy, please contact Winnebago Technical Assistance at 1-866-653-4329.

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ADDENDUM TO INSTRUCTIONS TO PERFORM RECALL CAMPAIGN 165 PROPERTY OF WINNEBAGO INDUSTRIES INC. FOR AUTHORIZED DEALER USE ONLY. February 22, 2022 Page 1 of 5 Models Affected 2022 EKKO Tools and Parts Required Refer to Recall 165 instructions for tool and parts information. NOTE: Only use the parts supplied in recall kit RC7650-22-765 to complete this repair. It is important to follow these instructions in the order they are given. These instructions contain 5 pages, work through all steps to ensure a complete remedy is performed. Familiarize yourself with the model you are working on before proceeding. ADDENDUM TO INSTRUCTIONS TO PERFORM RECALL CAMPAIGN 165 PROPERTY OF WINNEBAGO INDUSTRIES INC. FOR AUTHORIZED DEALER USE ONLY. February 22, 2022 Page 2 of 5 Contents of Recall Kit ADDENDUM TO INSTRUCTIONS TO PERFORM RECALL CAMPAIGN 165 PROPERTY OF WINNEBAGO INDUSTRIES INC. FOR AUTHORIZED DEALER USE ONLY. February 22, 2022 Page 3 of 5 Before applying any sealant, use an isopropyl alcohol to clean any surface to which sealant is to be applied. Allow to flash for 60 seconds. 1. In the exterior toilet cassette compartment, loosen the wire clamp securing the toilet wiring so that the wires can be manipulated. 2. Verify the back of the toilet is in tight against the shower wall. 3. If the gap between the shower wall and the back of the toilet is 10 mm or less, move on to step 9. 4. If the gap between the back of the toilet and the shower wall is greater than 10mm, remove the four screws securing the toilet. Access the screws through the outside tank compartment door. The toilet cassette will need to be removed. Set aside for reinstallation of the toilet. 5. While keeping the toilet connected to wires and plumbing, move it out of the way. This will provide access to the screw holes from step 3 from the outside. 6. Fill the old screw holes with silicone to seal the shower pan. 7. Set the toilet back into place and reposition the toilet so that it is tight to the wall. 8. Secure the toilet into place in the new location using the previously removed screws. The toilet manufacturer recommends torquing the screws to 1.2 +/- 0.3 N-m (10.6 +/- 2.6 lb-in). ADDENDUM TO INSTRUCTIONS TO PERFORM RECALL CAMPAIGN 165 PROPERTY OF WINNEBAGO INDUSTRIES INC. FOR AUTHORIZED DEALER USE ONLY. February 22, 2022 Page 4 of 5 9. Temporarily place the new toilet bracket into place. The bracket is self-locating within the tank compartment. 10. Using the toilet bracket as a template, mark the screw locations. 11. Remove the toilet bracket and use a 3/8” drill bit to create a hole for the screws in the shower surround. Temporarily use a plate behind the shower surround to keep from drilling into the toilet. 12. Put the convoluted conduit onto the leftinside edge of the bracket to protect the wires and water lines. 13. Put the toilet bracket into place. 14. Screw the bracket into place using the three provided 10×3/4 Pan Head screws. Torque the screws to 0.9 N-m (8.0 lb-in). 15. Resecure the wire clamp from step 7. 16. Reinstall the toilet cassette. 17. On the inside of the coach, apply silicone around the top and rear side of the toilet. 18. With the pivoting wall in the showering position, remove the screw at the base of the pivoting wall. Apply silicone here Screw Locations Step in bracket goes to the left ADDENDUM TO INSTRUCTIONS TO PERFORM RECALL CAMPAIGN 165 PROPERTY OF WINNEBAGO INDUSTRIES INC. FOR AUTHORIZED DEALER USE ONLY. February 22, 2022 Page 5 of 5 19. Fill the hole for the screw with silicone. 20. Reinstall the screw. 21. With the pivoting wall in the lavatory position, remove the screw at the base of the pivoting wall. 22. Fill the hole for the screw with silicone. 23. Reinstall the screw. 24. Apply and backfill around the base of the pivoting wall with sealant. 25. Apply and backfill corners formed by the shower surround panel joints with sealant. If you have any questions regarding this recall remedy, please contact Winnebago Technical Assistance at 1-866-653-4329.

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IMPORTANT SAFETY RECALL **ADDENDUM** NHTSA Safety Recall 21V-942 THIS NOTICE APPLIES TO YOUR VEHICLE. RE: BODY SERIAL CHASSIS SERIAL Dear Owner: This notice is being sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. Our records indicate that you have purchased a vehicle with the serial number which appears above. REASON FOR THIS RECALL As previously communicated, Winnebago Motorhomes has decided that a defect related to motor vehicle safety exists on certain 2022 Ekko Motorhomes. These motor homes were manufactured January 08, 2021 through December 01, 2021. Shower and lavatory sink drainage system may leak which can lead to water infiltrating nearby electrical components. Water infiltrating electrical components can cause an electrical short, increasing the risk of a fire. REASON FOR RECALL ADDENDUM You are receiving this notice because additional steps have been identified to improve the seal of your shower enclosure. Upon further investigation, it was identified that when water is sprayed directly in certain locations it can get to the floor area behind the shower. WHAT WE WILL DO Winnebago Motorhomes will coordinate additional sealing of the shower area. This will be at no charge to you. WHAT YOU SHOULD DO Please contact your Winnebago motorhome dealer immediately to arrange for an appointment to have this additional work performed. The labor time necessary to perform this correction will be approximately 2 hours. Please allow additional time for the dealer to process your vehicle. Winnebago motorhome dealers are best equipped to obtain parts and provide service to ensure your vehicle is corrected as promptly as possible. HOWEVER, if you take your vehicle to the dealer on the agreed date and they do not service this condition on that date or within five days, we recommend you contact Winnebago Motorhomes, Attn.: Customer Care at (641) 585-6939 or (800) 537-1885. If you are still unable to obtain such service without charge to you and within a reasonable time, you may contact the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue S.E., Washington, DC 20590 or call the toll-free Vehicle Safety Hotline at 1-888-327-4236 [TTY: (800) 424-9153] or go to http://www.safercar.gov. IF YOU HAVE PREVIOUSLY PAID FOR THIS REPAIR If you have paid to remedy this issue, you may be eligible for a refund. To obtain information on a refund, contact Winnebago Customer Care by email at customercare@wgo.net or write us at Customer Care Department, P.O. Box 152, Forest City, Iowa 50436 or by telephone at (641) 585-6939 or (800) 537-1885. IF YOU HAVE CHANGED ADDRESS OR SOLD THE VEHICLE If you have changed address, sold, or traded your vehicle, please let us know by contacting Winnebago Customer Care by email at customercare@wgo.net or in writing at Customer Care Department, P.O. Box 152, Forest City, Iowa 50436 or by telephone at (641) 585-6939 or (800) 537-1885. Presentation of this letter to the service center will assist in making the necessary correction to your vehicle in the shortest possible time. Federal law requires that any vehicle lessor receiving this recall notice must forward a copy of this notice to the lessee within ten days. We are sorry to cause you this inconvenience; however, we have taken this action in the interest of your safety and continued satisfaction with our products. This letter does not constitute an acknowledgement of legal liability. _____________________________ Winnebago Motorhomes Forest City, Iowa 50436 Enclosure

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IMPORTANT SAFETY RECALL NHTSA Safety Recall 21V-942 THIS NOTICE APPLIES TO YOUR VEHICLE. RE: BODY SERIAL CHASSIS SERIAL Dear Owner: This notice is being sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. Our records indicate that you have purchased a vehicle with the serial number which appears above. REASON FOR THIS RECALL Winnebago Motorhomes has decided that a defect related to motor vehicle safety exists on certain 2022 Ekko Motorhomes. These motor homes were manufactured January 08, 2021 through December 01, 2021. Shower and lavatory sink drainage system may leak which can lead to water infiltrating nearby electrical components. Water infiltrating electrical components can cause an electrical short, increasing the risk of a fire. WHAT WE WILL DO Winnebago Motorhomes will coordinate complete replacement of the pump system with a newly developed and tested system for units identified in this recall. This will be at no charge to you. WHAT YOU SHOULD DO Please contact your Winnebago motorhome dealer immediately to arrange for an appointment. The labor time necessary to perform this correction will be approximately 5 hours. Please allow additional time for the dealer to process your vehicle. Winnebago motorhome dealers are best equipped to obtain parts and provide service to ensure your vehicle is corrected as promptly as possible. HOWEVER, if you take your vehicle to the dealer on the agreed date and they do not service this condition on that date or within five days, we recommend you contact Winnebago Motorhomes, Attn.: Customer Care at (641) 585-6939 or (800) 537-1885. If you are still unable to obtain such service without charge to you and within a reasonable time, you may contact the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue S.E., Washington, DC 20590 or call the toll-free Vehicle Safety Hotline at 1-888-327-4236 [TTY: (800) 424-9153] or go to http://www.safercar.gov. IF YOU HAVE PREVIOUSLY PAID FOR THIS REPAIR If you have paid to remedy this issue, you may be eligible for a refund. To obtain information on a refund, contact Winnebago Customer Care by email at customercare@wgo.net or write us at Customer Care Department, P.O. Box 152, Forest City, Iowa 50436 or by telephone at (641) 585-6939 or (800) 537-1885. IF YOU HAVE CHANGED ADDRESS OR SOLD THE VEHICLE If you have changed address, sold, or traded your vehicle, please let us know by contacting Winnebago Customer Care by email at customercare@wgo.net or in writing at Customer Care Department, P.O. Box 152, Forest City, Iowa 50436 or by telephone at (641) 585-6939 or (800) 537-1885. Presentation of this letter to the service center will assist in making the necessary correction to your vehicle in the shortest possible time. Federal law requires that any vehicle lessor receiving this recall notice must forward a copy of this notice to the lessee within ten days. We are sorry to cause you this inconvenience; however, we have taken this action in the interest of your safety and continued satisfaction with our products. This letter does not constitute an acknowledgement of legal liability. _____________________________ Winnebago Motorhomes Forest City, Iowa 50436 Enclosure

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Page 1 of 3 NHTSA Safety Recall 21V-942 TO: Winnebago Motorhome Dealers SUBJECT: Campaign # 165 – Lavatory Drain Pump **ADDENDUM** The National Traffic and Motor Vehicle Safety Act, as amended, provides that each vehicle which is subject to a recall campaign of this type must be adequately repaired within a reasonable time after the owner has tendered it for repair. A failure to adequately repair within 60 days after tender of a vehicle is prima facie evidence of failure to repair within a reasonable time. If the condition is not adequately repaired within a reasonable time, the owners may be entitled to an identical or reasonably equivalent vehicle at no charge or to a refund of the purchase price less a reasonable allowance for depreciation. To avoid having to provide these burdensome solutions, every effort must be made to promptly schedule an appointment with each owner and to repair their vehicle as soon as possible. As you will see in reading the enclosed copy of the letter, which is being sent to owners, the owners are being instructed to contact Winnebago Motorhomes, if you do not remedy the condition within five days of the mutually agreed upon service date. If the condition is not remedied within a reasonable time, they are instructed on how to contact the National Highway Traffic Safety Administration. REASON FOR THIS RECALL As previously communicated, Winnebago Motorhomes has decided that a defect related to motor vehicle safety exists on certain 2022 Ekko Motorhomes. These motor homes were manufactured January 08, 2021 through December 01, 2021. Shower and lavatory sink drainage system may leak which can lead to water infiltrating nearby electrical components. Water infiltrating electrical components can cause an electrical short, increasing the risk of a fire. REASON FOR RECALL ADDENDUM You are receiving this notice because additional steps have been identified to improve the seal of your shower enclosure. Upon further investigation, it was identified that when water is sprayed directly in certain locations it can get to the floor area behind the shower. OWNER NOTIFICATION Owners will be notified of this campaign addendum on their vehicles by Winnebago Motorhomes. For all units in your inventory, the notification will be mailed to you. DO NOT DELIVER TO A CUSTOMER ANY SUBJECT UNIT UNTIL CORRECTIVE ACTION HAS BEEN TAKEN. Enclosed is a list of vehicles shipped to you. Page 2 of 3 INSTRUCTION TO PERFORM CAMPAIGN # 165 – Lavatory Drain Pump DEALER CAMPAIGN RESPONSIBILITY Dealers are to service all vehicles subject to this campaign at no charge to owners regardless of mileage, age of vehicle, or ownership from this time forward. Whenever a vehicle subject to this campaign is taken into new or used vehicle inventory or it is in your dealership for service in the future, you should take the steps necessary to be sure the campaign correction has been made before reselling or releasing the vehicle. Owners of vehicles recently sold from your new vehicle inventory are to be contacted by the dealer and arrangements made to make the required correction according to instructions contained in this campaign. Affected Models: Certain 2022 Ekko (622A) Motorhomes. Repair Procedure: Refer to instructions for replacement of the lavatory drainage system and shower seal addendum. Parts Information: To minimize any inconvenience to your customers, we strongly encourage you to promptly order part kits for the vehicles on the attached list. This will ensure you have adequate inventory for your customers. Order the following Part Kit from Winnebago Motorhomes using the WinPortal system. You will be placing the order as a recall order. You will need the recall dealer number and the Winnebago Industries serial number of the affected vehicle to place the order. Dealer Number: 7650 Qty. Part Description Part Number 1 Replacement Lavatory Drain System. RC7650-22-765 Page 3 of 3 INSTRUCTION TO PERFORM CAMPAIGN # 165 – Lavatory Drain Pump REIMBURSEMENT When the service has been completed, submit the labor amount and labor operation number listed below. Your repair order must be properly signed by both the dealer and the owner. OPERATION NUMBER TIME ALLOWANCE Ekko Lavatory Drain System -and- Ekko Shower Seal Addendum 24650101 24650201 4.5 hours 1 hour Thank you for your cooperation. ______________________________ Winnebago Motorhomes Forest City, Iowa 50436 Enclosures

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NHTSA Safety Recall 21V-942 TO: Winnebago Motorhome Dealers SUBJECT: Campaign # 165 – Lavatory Drain Pump The National Traffic and Motor Vehicle Safety Act, as amended, provides that each vehicle which is subject to a recall campaign of this type must be adequately repaired within a reasonable time after the owner has tendered it for repair. A failure to adequately repair within 60 days after tender of a vehicle is prima facie evidence of failure to repair within a reasonable time. If the condition is not adequately repaired within a reasonable time, the owners may be entitled to an identical or reasonably equivalent vehicle at no charge or to a refund of the purchase price less a reasonable allowance for depreciation. To avoid having to provide these burdensome solutions, every effort must be made to promptly schedule an appointment with each owner and to repair their vehicle as soon as possible. As you will see in reading the enclosed copy of the letter, which is being sent to owners, the owners are being instructed to contact Winnebago Motorhomes, if you do not remedy the condition within five days of the mutually agreed upon service date. If the condition is not remedied within a reasonable time, they are instructed on how to contact the National Highway Traffic Safety Administration. REASON FOR THIS RECALL Winnebago Motorhomes has decided that a defect related to motor vehicle safety exists on certain 2022 Ekko Motorhomes. These motor homes were manufactured January 08, 2021 through December 01, 2021. Shower and lavatory sink drainage system may leak which can lead to water infiltrating nearby electrical components. Water infiltrating electrical components can cause an electrical short, increasing the risk of a fire. OWNER NOTIFICATION Owners will be notified of this campaign on their vehicles by Winnebago Motorhomes. For all units in your inventory, the notification will be mailed to you. DO NOT DELIVER TO A CUSTOMER ANY SUBJECT UNIT UNTIL CORRECTIVE ACTION HAS BEEN TAKEN. Enclosed is a list of vehicles shipped to you. DEALER CAMPAIGN RESPONSIBILITY Dealers are to service all vehicles subject to this campaign at no charge to owners regardless of mileage, age of vehicle, or ownership from this time forward. Whenever a vehicle subject to this campaign is taken into new or used vehicle inventory or it is in your dealership for service in the future, you should take the steps necessary to be sure the campaign correction has been made before reselling or releasing the vehicle. Owners of vehicles recently sold from your new vehicle inventory are to be contacted by the dealer and arrangements made to make the required correction according to instructions contained in this campaign. INSTRUCTION TO PERFORM CAMPAIGN # 165 – Lavatory Drain Pump Affected Models: Certain 2022 Ekko (622A) Motorhomes. Repair Procedure: Refer to instructions for replacement of the lavatory drainage system. Parts Information: To minimize any inconvenience to your customers, we strongly encourage you to promptly order part kits for the vehicles on the attached list. This will ensure you have adequate inventory for your customers. Order the following Part Kit from Winnebago Motorhomes using the WinPortal system. You will be placing the order as a recall order. You will need the recall dealer number and the Winnebago Industries serial number of the affected vehicle to place the order. Dealer Number: 7650 Qty. Part Description Part Number 1 Replacement Lavatory Drain System. RC7650-22-765 REIMBURSEMENT When the service has been completed, submit the labor amount and labor operation number listed below. Your repair order must be properly signed by both the dealer and the owner. OPERATION NUMBER TIME ALLOWANCE Ekko Lavatory Drain System 24650101 4.5 hours Thank you for your cooperation. ______________________________ Winnebago Motorhomes Forest City, Iowa 50436 Enclosures

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 21V-942 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Winnebago Industries, Inc. Submission Date : DEC 06, 2021 NHTSA Recall No. : 21V-942 Manufacturer Recall No. : 165 Manufacturer Information : Manufacturer Name : Winnebago Industries, Inc. Address : PO BOX 152 605 W. Crystal Lake Rd. Forest City IA 50436 Company phone : 1-641-585-3535 Population : Number of potentially involved : 401 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2022-2022 Winnebago Ekko Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : Power Train : NR Descriptive Information : The recall population was determined by identifying all 2022 Ekko model 622A floorplans built. This is the only model year and floor plan affected. Production Dates : JAN 08, 2021 – DEC 01, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : Shower and sink drainage system may leak which can lead to water infiltrating nearby electrical components. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : Water infiltrating electrical components can cause an electrical short, leading to the potential for a thermal event. Description of the Cause : The shower and sink drainage system components may not function as intended, resulting in water leaking on to the floor underneath the system. This leaking may occur both due to pump failure, which will allow the reservoir to back up and overflow, or it may occur due to a fitting failure that allows for leaking at hose fittings. Water leaking on to the floor under the reservoir may flow to openings to the lower compartment, which houses the electrical inverter. Identification of Any Warning that can Occur : Reduced drainage performance of the shower. Part 573 Safety Recall Report 21V-942 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Involved Components : Component Name 1 : Sump Pump-Shower Component Description : Lavatory shower and sink drainage sump pump Component Part Number : 339816-01-000 Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : This issue was discovered on November 21, 2021 when Product Compliance was alerted to a customer concern. An investigation was immediately launched where it was discovered the issue of leaking wastewater was already being evaluated by Product Development. Through the investigation it was confirmed that water leaking from the drainage system can reach the inverter. Field events were identified where the inverter had stopped functioning, though no thermal events had occurred. Through discussion with Quality Control, a potential mold / mildew issue was also identified. It was determined the pump system allowed residual wastewater to remain in the collection box which provides an opportunity for the growth of mold / mildew. This was identified as an additional safety concern and added to the required remedy development. A meeting of the Product Safety committee was held on December 01, 2021 and the committee decided to issue a voluntary recall. Description of Remedy : Description of Remedy Program : The remedy to correct this defect is currently under development, but will involve a complete replacement of the pump system with a newly developed and tested system. The remedy will be performed by Winnebago Dealers at no cost to the consumer. How Remedy Component Differs from Recalled Component : Complete replacement of the pump system with a newly developed and tested system. Identify How/When Recall Condition was Corrected in Production : The recall condition is corrected in production with replacement of the pump system with a newly developed and tested system. Part 573 Safety Recall Report 21V-942 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Recall Schedule : Description of Recall Schedule : Notification will be sent within the 60 day requirement. Planned Dealer Notification Date : JAN 27, 2022 – JAN 27, 2022 Planned Owner Notification Date : FEB 03, 2022 – FEB 03, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 21V-942 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Winnebago Industries, Inc. Submission Date : MAR 15, 2022 NHTSA Recall No. : 21V-942 Manufacturer Recall No. : 165 Manufacturer Information : Manufacturer Name : Winnebago Industries, Inc. Address : PO BOX 152 605 W. Crystal Lake Rd. Forest City IA 50436 Company phone : 1-641-585-3535 Population : Number of potentially involved : 401 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2022-2022 Winnebago Ekko Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : Power Train : NR Descriptive Information : The recall population was determined by identifying all 2022 Ekko model 622A floorplans built. This is the only model year and floor plan affected. Production Dates : JAN 08, 2021 – DEC 01, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : Shower and sink drainage system may leak which can lead to water infiltrating nearby electrical components. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : Water infiltrating electrical components can cause an electrical short, leading to the potential for a thermal event. Description of the Cause : The shower and sink drainage system components may not function as intended, resulting in water leaking on to the floor underneath the system. This leaking may occur both due to pump failure, which will allow the reservoir to back up and overflow, or it may occur due to a fitting failure that allows for leaking at hose fittings. Water leaking on to the floor under the reservoir may flow to openings to the lower compartment, which houses the electrical inverter. Identification of Any Warning that can Occur : Reduced drainage performance of the shower. Part 573 Safety Recall Report 21V-942 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Involved Components : Component Name 1 : Sump Pump-Shower Component Description : Lavatory shower and sink drainage sump pump Component Part Number : 339816-01-000 Supplier Identification : Component Manufacturer Name : Xylem Inc Address : 26717 Network Place Chicago Illinois 60673 Country : United States Chronology : This issue was discovered on November 21, 2021 when Product Compliance was alerted to a customer concern. An investigation was immediately launched where it was discovered the issue of leaking wastewater was already being evaluated by Product Development. Through the investigation it was confirmed that water leaking from the drainage system can reach the inverter. A total of eight field events were identified where the inverter had stopped functioning, though no thermal events had occurred. These events occurred between November 8, 2021 and December 3, 2021. Through discussion with Quality Control, a potential mold / mildew issue was also identified. It was determined the pump system allowed residual wastewater to remain in the collection box which provides an opportunity for the growth of mold / mildew. This was identified as an additional safety concern and added to the required remedy development. A meeting of the Product Safety committee was held on December 01, 2021 and the committee decided to issue a voluntary recall. Description of Remedy : Description of Remedy Program : The remedy to correct this defect will involve a complete replacement of the pump system with a newly developed and tested system. The remedy will be performed by Winnebago Dealers at no cost to the consumer. If a consumer has paid to remedy this issue, they may be eligible for reimbursement. Reimbursement information can be obtained by contacting Winnebago Customer Care. How Remedy Component Differs from Recalled Component : Complete replacement of the pump system with a newly developed and tested system. Part 573 Safety Recall Report 21V-942 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Identify How/When Recall Condition was Corrected in Production : The recall condition is corrected in production with replacement of the pump system with a newly developed and tested system. Recall Schedule : Description of Recall Schedule : Notification will be sent within the 60 day requirement. Planned Dealer Notification Date : JAN 27, 2022 – JAN 27, 2022 Planned Owner Notification Date : FEB 03, 2022 – FEB 03, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 21V-942 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Winnebago Industries, Inc. Submission Date : FEB 18, 2022 NHTSA Recall No. : 21V-942 Manufacturer Recall No. : 165 Manufacturer Information : Manufacturer Name : Winnebago Industries, Inc. Address : PO BOX 152 605 W. Crystal Lake Rd. Forest City IA 50436 Company phone : 1-641-585-3535 Population : Number of potentially involved : 401 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2022-2022 Winnebago Ekko Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : Power Train : NR Descriptive Information : The recall population was determined by identifying all 2022 Ekko model 622A floorplans built. This is the only model year and floor plan affected. Production Dates : JAN 08, 2021 – DEC 01, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : Shower and sink drainage system may leak which can lead to water infiltrating nearby electrical components. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : Water infiltrating electrical components can cause an electrical short, leading to the potential for a thermal event. Description of the Cause : The shower and sink drainage system components may not function as intended, resulting in water leaking on to the floor underneath the system. This leaking may occur both due to pump failure, which will allow the reservoir to back up and overflow, or it may occur due to a fitting failure that allows for leaking at hose fittings. Water leaking on to the floor under the reservoir may flow to openings to the lower compartment, which houses the electrical inverter. Identification of Any Warning that can Occur : Reduced drainage performance of the shower. Part 573 Safety Recall Report 21V-942 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Involved Components : Component Name 1 : Sump Pump-Shower Component Description : Lavatory shower and sink drainage sump pump Component Part Number : 339816-01-000 Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : This issue was discovered on November 21, 2021 when Product Compliance was alerted to a customer concern. An investigation was immediately launched where it was discovered the issue of leaking wastewater was already being evaluated by Product Development. Through the investigation it was confirmed that water leaking from the drainage system can reach the inverter. A total of eight field events were identified where the inverter had stopped functioning, though no thermal events had occurred. These events occurred between November 8, 2021 and December 3, 2021. Through discussion with Quality Control, a potential mold / mildew issue was also identified. It was determined the pump system allowed residual wastewater to remain in the collection box which provides an opportunity for the growth of mold / mildew. This was identified as an additional safety concern and added to the required remedy development. A meeting of the Product Safety committee was held on December 01, 2021 and the committee decided to issue a voluntary recall. Description of Remedy : Description of Remedy Program : The remedy to correct this defect will involve a complete replacement of the pump system with a newly developed and tested system. The remedy will be performed by Winnebago Dealers at no cost to the consumer. If a consumer has paid to remedy this issue, they may be eligible for reimbursement. Reimbursement information can be obtained by contacting Winnebago Customer Care. How Remedy Component Differs from Recalled Component : Complete replacement of the pump system with a newly developed and tested system. Part 573 Safety Recall Report 21V-942 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Identify How/When Recall Condition was Corrected in Production : The recall condition is corrected in production with replacement of the pump system with a newly developed and tested system. Recall Schedule : Description of Recall Schedule : Notification will be sent within the 60 day requirement. Planned Dealer Notification Date : JAN 27, 2022 – JAN 27, 2022 Planned Owner Notification Date : FEB 03, 2022 – FEB 03, 2022 * NR – Not Reported

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