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August 12, 2020 NHTSA CAMPAIGN NUMBER: 20V474000
Alternator and Serpentine Belts May Disengage
If the auxiliary alternator belt disengages, the engine serpentine belt may also disengage causing an immediate loss of power steering control increasing the risk of crash.
NHTSA Campaign Number: 20V474
Manufacturer Winnebago Industries, Inc
Components ELECTRICAL SYSTEM
Potential Number of Units Affected 156
Summary
Winnebago Industries, Inc (Winnebago) is recalling certain 2021 Revel motorhomes. These motorhomes have an auxiliary alternator belt that may wear and detach.
Remedy
Winnebago will notify owners, and dealers will coordinate the inspection and proper alignment of the belt pulleys, free of charge. The recall began September 21, 2020. Owners may contact Winnebago customer service at 1-800-537-1885. Winnebago’s number for this recall is 162.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
INSTRUCTIONS TO PERFORM RECALL CAMPAIGN 162
Models Affected:
Certain 2021 model year Revel Motorhomes. These motorhomes were manufactured June 01, 2020 through July 31, 2020.
Tools Required:
- Wrench – 5/16” Box End
- Pipe (12”) for leverage on wrench
- Hex Socket 15mm with 3” extension
- Screw Driver – long skinny, flat end
- Impact Driver – high speed ½”
- Socket – 14mm allen for ½” drive
NOTE: Only use the ITEMS supplied in Recall Kit #RC7647-21-762
Parts and Tools Included:
- Two Alternator Shims
- Replacement Pulley Cap
- T55 Torx Bit
Xantrex Revel Alternator/Belt Inspection & Rework Instructions
Prepared By: Steve Carlson
Revision: A
Modified: 08/16/20
Parts and Tools
Parts and Tools Included:
- Two Alternator Shims
- Replacement Pulley Cap
- T55 Torx Bit
Other Tools Required:
- 5/16” Box-end Wrench
- Pipe (12”) to slide over 5/16” wrench to increase leverage
- Long Skinny Flat End Screwdriver
- High Speed ½” Drive Impact Wrench
- 14mm Allen Socket for ½” Drive
Belt Alignment Inspection
Start vehicle and check alignment of belt. Paying close attention to the Idler and tensioner smooth pulleys. Making sure that the belt is 100% on these pulleys. Even if it is on the edge it could track on and off while engine is running. Needs to be fully on while engine running. Another indication that the belt is tracking off the pulleys is the appearance of thin white line/lines on the belt. See image below. Yellow arrow shows belt off the idler pulley.
Alternator Inspection
If the belt is not fully on the two idler pulleys, inspect the alternator for 2 things. 1) The placement of the spacer on the mounting bolts and 2) the space between the pulley and the casting.
1) (1A)Incorrect placement of black spacer washer
1) (1B)Correct placement of spacer washer
2) See image below of alternators with and without shims. There should be just over 2mm of space between the back of the pulley and the casting. See yellow arrow.
Compress Tensioner to Remove Belt
Place the T55 Torx bit in a 5/16” open/box end wrench and place the bit in the tensioner assembly to compress and remove the belt
Remove Alternator
1) Using a 15mm hex socket and short extension remove the alternator bolts. Make sure to retain the bolts and black washer/spacers. No need to disconnect any wires from the alternator. Pull the alternator out of the bracket to face the pulley downward.
Remove Dust Cap from Pulley
1) Use a long but skinny flat end screwdriver, puncture the exact center of the rubber/metal cap. Rotate the screwdriver down towards the edge of the pully and pry the cap out of place. This takes more force than you expect which is why the screwdriver needs to be long to provide leverage.
Remove the Pulley, add Shims, & Replace
Use a high speed ½” impact wrench with a 14mm allen socket to remove the pulley. With the impact at the highest speed setting, hold the pulley with your hand and do a quick reverse(counterclockwise) burst to break the pulley loose. Do another soft burst to unscrew the pulley. If the pulley is not loose repeat the last two steps until it comes loose. Once the pulley is off the shaft check to see if there is a shim on the shaft. Some pulleys have no shims, and some have one shim. Add shims so that there are 2 shims on the shaft behind the pulley. Thread the pulley on clockwise hand tight. Using the impact on tighten(clockwise) give the pulley 3 quick bursts. Snap the dust cap back into pulley.
Reinstall Alternator
Using a large channel-lock pliers, force the sliding bushings out of the inside of the mounting bracket.
Place the top bolt into the mounting bracket just far enough to hang the black spacer flush on the end. Move the alternator into place and slide bolt through and hand start threading. Make sure the spacer stays in place. Place bolt through negative cable and spacer on the bottom mount in the same orientation. Thread both bolts on equally to the point where they just begin to tighten. Then rotate a quarter turn back and forth between the two until tight. Torque to 34.5ft/lbs
Re-Check Belt Alignment
Start vehicle and check alignment of belt. Paying close attention to the Idler and tensioner smooth pulleys. Making sure that the belt is 100% on these pulleys. Even if it is on the edge it could track on and off while engine is running. Needs to be fully on while engine running. If the belt is still not fully on the idler pulleys, contact Winnebago Technical Service at: 1-866-653-4329 for next steps.
If you have any questions regarding this recall remedy, please contact:
Xantrex Technical Assistance
1-574-214-8780
1 Affected Product
Vehicle
MAKE | MODEL | YEAR |
WINNEBAGO | REVEL | 2021 |
6 Associated Documents
Recall Quarterly Report #2, 2020-4
RCLQRT-20V474-1400.PDF 211.247KB
Remedy Instructions and TSB
RCRIT-20V474-5819.pdf 3535.598KB
Recall Quarterly Report #1, 2020-3
RCLQRT-20V474-9300.PDF 211.146KB
Recall Acknowledgement
RCAK-20V474-6463.pdf 244.786KB
Defect Notice 573 Report
RCLRPT-20V474-9632.PDF 213.714KB
Recall Quarterly Report #4, 2021-2
RCLQRT-20V474-5821.PDF 211.434KB
Latest Recalls Documents
https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=20V474&docType=RCL
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- Designed to provide access and leverage to hard to reach pulleys
- COMFORT: Dipped handle for comfort and secure grip
- Durable contruction
- Complete tool set for removing or installing the serpentine belt on vehicles with a spring-loaded belt tensioner pulley.
- Combines the advantages of a ratcheting wrench with the requirements of the serpentine belt removal tool to provide the best possible combination.
- Comes with extension for hard-to-reach belt tensioners. Eight low profile sockets and extension help to fit into tight spots.
- Includes Drive Tools: 14" extension arm, ratcheting wrench with 19 mm female ratchet drive, and 3/8", 1/2" and 3/4" square adapters
- Includes Sockets: 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm and 19 mm. Includes Crowfoot Wrenches: 13 mm, 14 mm and 15 mm.
- Combining the innovation of a GEARWRENCH ratcheting wrench with the requirements of the serpentine belt removal tool to provide the best possible combination
- Complete tool set for removing or installing the serpentine belt on vehicles with a spring loaded belt tensioner pulley
- Long bar can hold sockets directly or attach to the ratcheting wrench for maximum access
- Includes Drive Tools: Long Bar, Special GearWrench Ratcheting Wrench, and 3/8inch, 1/2inch and 3/4inch Adapters
- Includes 6 Point Sockets: 13 millimeter, 14 millimeter, 15 millimeter, 16 millimeter, 17 millimeter, 18 millimeter and 19 millimeter
- Product type: SPORTING_GOODS
- Country of origin: China
- Releases tension on serpentine belts with spring loaded idler pulleys
- HANDLE: Cushioned red handle makes use of this tool simple and easy
- Combining the innovation of a GEARWRENCH ratcheting wrench with the requirements of the serpentine belt removal tool to provide the best possible combination
- Complete tool set for removing or installing the serpentine belt on vehicles with a spring loaded belt tensioner pulley
- Long bar can hold sockets directly or attach to the ratcheting wrench for maximum access
- For removing and installing serpentine belts on vehicles with spring-loaded belt tensioners
- Includes accessories for specific vehicle applications, including GM, Ford, Chrysler, SAAB, VW and Volvo.
- INCLUDES: Complete accessory kit included for multi vehicle applications
- COMES IN: Heavy duty blow molded case to keep set protected and organized
- EASY TO READ: Includes detailed usage instruction with photos
- Complete tool set for removing or installing the serpentine belt on vehicles with a spring-loaded belt tensioner pulley. Come with red storage case.
- Combines the advantages of a ratcheting wrench with the requirements of the serpentine belt removal tool to provide the best possible combination.
- Comes with extension for hard-to-reach belt tensioners. Eight low profile sockets and extension help to fit into tight spots.
- Includes Drive Tools: 14" extension arm, ratcheting wrench with 19 mm and 22 mm female ratchet drive, and 3/8", 1/2" and 3/4" square adapters
- Includes Sockets: 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm and 19 mm. Includes Crowfoot Wrenches: 13 mm, 14 mm and 15 mm.
- Ergonomic spring loaded handle remotely activates the belt grabber for belt routing
- Fingers easily control the serpentine belt during installation and removal
- Works faster and easier than standard belt hook tools
- ILLUSTRATION - For Remove and Install Belts on Serpentine Systems Using Spring Loaded Idler Pulleys
- FITMENT - 9" Bar With 1/2" Square Drive Compatible With Chrysler 2.5, 3.0 L and Ford 4.6 L Engines; 23" Bar With 3/8" Square Drive Compatible With Ford 1.9, 2.3 L and GM 3.1 L Engines.
- NOTE - Used For Vehicles With Spring-Loadedautomatic Belt Tensioners Only
- BOX DESIGN - Provide Injection Molding Boxes For Easy Storage and Management, With Dimension Markings at Each Part Position to Prevent Confusion
- PACKAGE CONTENT - 4 X Socket, 3 X Crowfoot, 1 X 9" Bar With 1/2" Square Drive, 1 X 23" Bar With 3/8" Square Drive
- Convenient Operation: Due to the narrow space within the engine compartment, making the tool set easy to reach and access hidden nuts and bolts on tensioners, timing wheels, or auxiliary pulleys.
- Wide Compatibility: Our Belt Tensioner Pulley Tool kit includes multiple size adapters, ensuring compatibility with almost all car models.
- Package Inventory: The package includes 1 long curved wrench, 5 Torx adapters (E10, E12, E14, E16, E18), and 8 12-point adapters (12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm).
- High Quality: Our Belt Tensioner Pulley Tool Set is crafted from high quality steel that undergoes high-temperature treatment, ensuring durability, rust resistance, and corrosion resistancem, Belt Tensioner Tool Set, equipped with a portable plastic carrying case, provides a practical storage solution.
- Service: JEUCLEL aims to provide the most professional and comprehensive automotive repair tools and services in the automotive repair industry, with a focus on ensuring your peace of mind about our quality. If you have any questions, please feel free to contact us via email. We will offer you the best possible solutions.
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