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July 18, 2023 NHTSA CAMPAIGN NUMBER: 23E055000
Fuel Filter Hoses May Disconnect or Leak Fuel
A disconnected hose will result in an engine stall increasing the risk of a crash. Also, a fuel leak in the presence of an ignition source increases the risk of a fire.
NHTSA Campaign Number: 23E055
Manufacturer Cummins, Inc.
Components FUEL SYSTEM, DIESEL
Potential Number of Units Affected 1,135
Summary
Cummins, Inc. (Cummins) is recalling certain L9 Diesel Engines part number, D563027BX03. The remote Stage 2 fuel filter hoses may have been damaged during production, allowing the hoses to leak or disconnect.
Remedy
Dealers will replace both hoses, free of charge. Owner notification letters are expected to be mailed September 15, 2023. Owners may contact Cummins customer service at 1-800-286-6467. Cummins number for this recall is C2717.
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.nhtsa.gov.
*** IMPORTANT SAFETY RECALL ***
NHTSA Recall No. 23E-055
Cummins Campaign No. C2717
July 24, 2023
Dear Cummins OEM Customer:
We are writing to inform you that Cummins Inc. has determined that a safety-related defect exists in certain Cummins L9 engines equipped with a remote Stage 2 fuel filter (Option Number FF90942), which includes two pressurized fuel hoses that were manufactured between November 22, 2022 and February 28, 2023. Cummins has initiated a recall of the subject L9 engines. Our records indicate that some of these engines were shipped to you.
A copy of Cummins’ initial Part 573 Defect Notification report is enclosed. This notification was submitted to the National Highway Traffic Safety Administration (NHTSA) on July 18, 2023. As more fully described in the Defect Notification, the remote fuel filter hoses installed on some of the subject engines may have been damaged during engine production, possibly resulting in a fuel hose becoming disconnected that will result in an engine stall or a fuel leak. A stall may increase the risk of a crash. A fuel leak in the presence of an ignition source may increase the risk of a fire.
Enclosed is a list of serial numbers for affected engines that our records indicate were shipped to your plants. For engines that have left your control, we encourage you to make a safety defect determination in accordance with 49 USC 30118 et seq. and, as appropriate, to submit a Defect Notification to NHTSA in accordance with 49 CFR Part 573. Cummins will conduct the recall, including notifying owners pursuant to 49 CFR Part 577, performing the remedy, and submitting quarterly status reports to NHTSA. Cummins is requesting that you provide the associated VINs and owner contact information to facilitate owner notification. Please work with your Cummins account team leader to ensure that the requested information is provided to Cummins as soon as possible.
As an equipment manufacturer, Cummins has no obligation to file a defect notification to Transport Canada for this recall. If an OEM has an obligation to report the defect to Transport Canada, we ask that you please provide the Transport Canada recall number for your vehicle recall to Cummins. Cummins cannot mail owner letters compliant with Transport Canada regulations without the recall number assigned by Transport Canada. Cummins will provide information to the OEM after mailings are completed so that the OEM can submit the required reports to Transport Canada.
For engines that are still in your inventory, please contact the Owner Quality Assurance representative at the Rocky Mount Engine Plant to arrange for repairs. Please note that Federal law prohibits delivery of these engines, or vehicles equipped with these engines, under a sale or lease until this condition has been remedied.
Cummins is finalizing the plan to make a field service safety campaign available to address this condition and will advise you when the schedule is known.
Cummins apologizes for this inconvenience, but we are initiating this action in the interest of our customers’ safety and satisfaction with our products. Thank you for your assistance.
Chronology :
1/12/23–Cummins was informed of leaks on the subject hoses during assembly at a PACCAR production facility.
1/12/23–3/3/23–Cummins completed an investigationinto the cause of the leaks. Based upon a preliminary fault tree analysis that identified insufficient crimping as the most likely cause of leaks, on 3/3/23 Cummins implemented hoses with an improved connector crimp to increase the robustness of the hoses.
3/3/23–4/28/23–Cummins monitored the improvement. An additional leak with the improved hoses was reported to Cummins on 4/28/23 by an OEM customer that observed the leak during their assembly process.
4/28/23–5/10/23–Cummins continued to investigate the issue and determined that the cause was that the hoses may have snagged on the assembly pallet. 5/14/23–Cummins implemented an additional corrective action to prevent the snagging by controlling the hose routing during production and implemented a check for damaged hoses.
4/17/23-6/13/23–Cummins conducted a product safety investigation. A warranty search identified 52 claims with claim dates of 1/9/23-6/13/23 for leaks involving engines equipped with this option. Cummins confirmed that there had not been any field reports of leaks involving engines built after 3/3/23 when the improved hoses were implemented. Cummins also concluded that the improved hoses are sufficient to address the issue even if the improved hoses may have snagged on the pallet prior to 5/14/23 when the snagging corrective action was implemented. Cummins conducted a Product Safety Hazard Analysis to evaluate the potential safety risk on fielded units.
6/14/23-7/11/23 – Cummins escalated the issue through its Product Safety Defect Determination Process.
7/11/23 – Based upon the results of the investigation, the Cummins Product Safety Defect Board decided to conduct a safety campaign to address this condition. To date, there have been no reports of fires, accidents or injuries related to this issue.
1 Affected Product
Equipment
BRAND | PART NO. | PRODUCTION DATES |
CUMMINS | L9 |
5 Associated Documents
Defect Notice 573 Report
RCLRPT-23E055-7861.PDF 238.274KB
Recall 573 Report – 7/21/2023
RCLRPT-23E055-4080.PDF 238.206KB
Recall Acknowledgement
Manufacturer Notices(to Dealers,etc)
Recall 573 Report – 8/9/2023
RCLRPT-23E055-2478.PDF 238.243KB
Latest Recalls Documents
For the Latest and Most Recent Recalls Information Visit the link below…
https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=23E055&docType=RCL
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- 【FITMENT】:Fuel Filter Fit for Cummins Stage V L9 engines 2020-2022, Fits For Cummins Stage V OSB 6.7L engines 2020-2022, Fits For Cummins B6.7L engines 2020-2022.
- 【REPLACEMENT】:The Fuel Filter direct replacement for part# FF63041NN / 5526400
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- [Replacement Part Number] FF63041-NN, 5526400, FF63041, FF63041NN. NOTICE: Please check the part number / model / year carefully before purchasing to insure fitment.
- [Fitments] This fuel filter fits for Cummins Stage V L9 Engine 2020+, for Stage V OSB 6.7L Engines 2020+, for B6.7 Engine 2020 onwards HD Truck.
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- 【OE Part Number】: FS20121, 5444245, 5528103.
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- 【Effective Filtration】: Our premium filtration media provides high flow rates, superior filtration efficiency, and a high dirt holding capacity to improve your engine's performance.
- 【Warranty】: To make your purchase as worry-free as possible, our Fuel Filter comes with a 1-year warranty. If you have any questions or concerns, our customer service team is always here to help.
- 【Package Include】: Each purchase includes six FS20121 Fuel Filters, ensuring that you always have a backup on hand for when you need it.
- 【Fitment】Fuel Filter Fit for Cummins Stage V L9 engines 2020-2022, Fits For Cummins Stage V OSB 6.7L engines 2020-2022, Fits For Cummins B6.7L engines 2020-2022.
- 【Replaces Part Number】The Fuel Filter direct replacement for part# FF63041NN FF63041-NN 5526400
- 【Function】To prevent particles, water, and impurities in the fuel, ensuring that precision components of the fuel system are free from wear and other damage.
- 【Features】Keep the fuel system clean and prevent pollutants from entering the engine, thereby protecting the normal operation of the engine. Extend its service life.
- 【Warranty】This item is packaged by a 12-MONTH WARRANTY. You can return the package with a 12 months. In the event this item should fail due to manufacturing flaws during using, you can depend on our no-hassle replacement or refund service.
Last update on 2024-04-13 / Affiliate links / Images from Amazon Product Advertising API
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SEOCONTENT-START
OMB Control No.: 2127-0004 Part 573 Safety Recall Report 23E-055 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Cummins, Inc. Submission Date : JUL 18, 2023 NHTSA Recall No. : 23E-055 Manufacturer Recall No. : C2717 Manufacturer Information : Manufacturer Name : Cummins, Inc. Address : Box 3005 Mail Code COB118 Columbus IN 47202-3005 Company phone : 812-377-5000 Population : Number of potentially involved : 1,135 Estimated percentage with defect : 3 % Equipment Information : Brand / Trade 1 : Cummins Inc. Model : L9 Part No. : D563027BX03 Size : N/A Function : Diesel Engine Descriptive Information : This recall covers certain Cummins L9 engines equipped with a remote Stage 2 fuel filter (Option Number FF90942), which includes two pressurized fuel hoses. The recall consists of the entire population of the engines built between the identified production dates that were equipped with this remote fuel filter option. The subject engines were sold to various OEMs for installation on trucks and Recreational Vehicles. The production “Begin” and “End” dates provided herein are based on the dates listed on the affected engines’ dataplates (the engine “build date”). Production Dates : NOV 22, 2022 – FEB 28, 2023 Description of Defect : Description of the Defect : The remote fuel filter hoses installed on some of the subject engines may have been damaged during engine production, possibly resulting in a fuel hose becoming disconnected or leaking fuel. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : A fuel hose that becomes disconnected will result in an engine stall, increasing the risk of a crash. A fuel leak in the presence of an ignition source may increase the risk of a fire. Description of the Cause : During production of certain engines within the recall population, the fuel Part 573 Safety Recall Report 23E-055 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 hoses may have snagged on the pallet on the assembly line, causing damage to the hoses. The damage may have gone unnoticed. Identification of Any Warning that can Occur : Persons operating in or around the vehicle may see smoke or other visible signs of a fuel leak. Persons operating in or around the vehicle may also smell diesel fuel. Involved Components : Component Name : Hose, Fuel Component Description : Fuel carrying hose with quick connect fittings Component Part Number : 6316754 Supplier Identification : Component Manufacturer Name : N/A Address : NR NR Country : NR Chronology : 1/12/23–Cummins was informed of leaks on the subject hoses during assembly at a PACCAR production facility. 1/12/23–3/3/23–Cummins completed an investigationinto the cause of the leaks. Based upon a preliminary fault tree analysis that identified insufficient crimping as the most likely cause of leaks, on 3/3/23 Cummins implemented hoses with an improved connector crimp to increase the robustness of the hoses. 3/3/23–4/28/23–Cummins monitored the improvement. An additional leak with the improved hoses was reported to Cummins on 4/28/23 by an OEM customer that observed the leak during their assembly process. 4/28/23–5/10/23–Cummins continued to investigate the issue and determined that the cause was that the hoses may have snagged on the assembly pallet. 5/14/23–Cummins implemented an additional corrective action to prevent the snagging by controlling the hose routing during production and implemented a check for damaged hoses. 4/17/23-6/13/23–Cummins conducted a product safety investigation. A warranty search identified 52 claims with claim dates of 1/9/23-6/13/23 for leaks involving engines equipped with this option. Cummins confirmed that there had not been any field reports of leaks involving engines built after 3/3/23 when the improved hoses were implemented. Cummins also concluded that the improved hoses are sufficient to address the issue even if the improved hoses may have snagged on the pallet prior to 5/14/23 when the snagging corrective action was implemented. Cummins conducted a Product Safety Hazard Analysis to evaluate the potential safety risk on fielded units. 6/14/23-7/11/23 – Cummins escalated the issue through its Product Safety Defect Determination Process. 7/11/23 – Based upon the results of the investigation, the Cummins Part 573 Safety Recall Report 23E-055 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Product Safety Defect Board decided to conduct a safety campaign to address this condition. To date, there have been no reports of fires, accidents or injuries related to this issue. Description of Remedy : Description of Remedy Program : The remedy is to replace the two subject fuel hoses with hoses having improved connector crimps. Cummins requests that it be exempt from providing notification of a reimbursement plan. Any pre-notification product failure would have been corrected under the manufacturer’s limited warranty. Accordingly, no person would be eligible for reimbursement pursuant to 573.13. How Remedy Component Differs from Recalled Component : The remedy component has an improved crimp and different date codes. Identify How/When Recall Condition was Corrected in Production : The condition was corrected in production on 3/3/23 with the introduction of an improved hose design with an increased crimp on the connector joint. Recall Schedule : Description of Recall Schedule : Cummins expects to notify the affected OEMs by 07/21/2023. Pending consultation and agreement with the affected OEMs, Cummins will conduct the recall, including sending owner notifications. The timing of owner notification will be determined in consultation with the OEMs. The notification and remedy schedule is still being developed and Cummins will revise the “planned dealer notification” dates when a more precise schedule is known. In any event, Cummins expects to notify owners no later than 9/15/2023, pending availability of owner addresses from the OEMs. Planned Dealer Notification Date : NR – NR Planned Owner Notification Date : SEP 15, 2023 – SEP 15, 2023 Purchaser Information : The following manufacturers purchased this defective/noncompliant equipment for possible use or installation in new motor vehicles or new items of motor vehicle equipment: Name : Peterbilt Motors Company Address : 3200 Airport Rd Denton TX 76202 Country : US Company Phone : 9402202760 Part 573 Safety Recall Report 23E-055 Page 4 The information contained in this report was submitted pursuant to 49 CFR §573 Name : Tiffin Motorhomes Address : 105 2nd Street , NW Red Bay AL 35582 Country : US Company Phone : 2563563088 Name : Autocar LLC Address : 551 South Washington Street Hagerstown IN 47346 Country : US Company Phone : 7654896081 Name : Grove Worldwide Address : 1565 Buchanan Trail East Shady Grove PA 17256 Country : US Company Phone : 7175935234 Name : Kenworth Motor Truck Co Address : 10630 NE 38th Place Kirkland WA 98033 Country : US Company Phone : 4258285201 * NR – Not Reported
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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 23E-055 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Cummins, Inc. Submission Date : JUL 21, 2023 NHTSA Recall No. : 23E-055 Manufacturer Recall No. : C2717 Manufacturer Information : Manufacturer Name : Cummins, Inc. Address : Box 3005 Mail Code COB118 Columbus IN 47202-3005 Company phone : 812-377-5000 Population : Number of potentially involved : 1,135 Estimated percentage with defect : 3 % Equipment Information : Brand / Trade 1 : Cummins Inc. Model : L9 Part No. : D563027BX03 Size : N/A Function : Diesel Engine Descriptive Information : This recall covers certain Cummins L9 engines equipped with a remote Stage 2 fuel filter (Option Number FF90942), which includes two pressurized fuel hoses. The recall consists of the entire population of the engines built between the identified production dates that were equipped with this remote fuel filter option. The subject engines were sold to various OEMs for installation on trucks and Recreational Vehicles. The production “Begin” and “End” dates provided herein are based on the dates listed on the affected engines’ dataplates (the engine “build date”). Production Dates : NOV 22, 2022 – FEB 28, 2023 Description of Defect : Description of the Defect : The remote fuel filter hoses installed on some of the subject engines may have been damaged during engine production, possibly resulting in a fuel hose becoming disconnected or leaking fuel. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : A fuel hose that becomes disconnected will result in an engine stall, increasing the risk of a crash. A fuel leak in the presence of an ignition source may increase the risk of a fire. Description of the Cause : During production of certain engines within the recall population, the fuel Part 573 Safety Recall Report 23E-055 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 hoses may have snagged on the pallet on the assembly line, causing damage to the hoses. The damage may have gone unnoticed. Identification of Any Warning that can Occur : Persons operating in or around the vehicle may see smoke or other visible signs of a fuel leak. Persons operating in or around the vehicle may also smell diesel fuel. Involved Components : Component Name : Hose, Fuel Component Description : Fuel carrying hose with quick connect fittings Component Part Number : 6316754 Supplier Identification : Component Manufacturer Name : N/A Address : NR NR Country : NR Chronology : 1/12/23–Cummins was informed of leaks on the subject hoses during assembly at a PACCAR production facility. 1/12/23–3/3/23–Cummins completed an investigationinto the cause of the leaks. Based upon a preliminary fault tree analysis that identified insufficient crimping as the most likely cause of leaks, on 3/3/23 Cummins implemented hoses with an improved connector crimp to increase the robustness of the hoses. 3/3/23–4/28/23–Cummins monitored the improvement. An additional leak with the improved hoses was reported to Cummins on 4/28/23 by an OEM customer that observed the leak during their assembly process. 4/28/23–5/10/23–Cummins continued to investigate the issue and determined that the cause was that the hoses may have snagged on the assembly pallet. 5/14/23–Cummins implemented an additional corrective action to prevent the snagging by controlling the hose routing during production and implemented a check for damaged hoses. 4/17/23-6/13/23–Cummins conducted a product safety investigation. A warranty search identified 52 claims with claim dates of 1/9/23-6/13/23 for leaks involving engines equipped with this option. Cummins confirmed that there had not been any field reports of leaks involving engines built after 3/3/23 when the improved hoses were implemented. Cummins also concluded that the improved hoses are sufficient to address the issue even if the improved hoses may have snagged on the pallet prior to 5/14/23 when the snagging corrective action was implemented. Cummins conducted a Product Safety Hazard Analysis to evaluate the potential safety risk on fielded units. 6/14/23-7/11/23 – Cummins escalated the issue through its Product Safety Defect Determination Process. 7/11/23 – Based upon the results of the investigation, the Cummins Part 573 Safety Recall Report 23E-055 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Product Safety Defect Board decided to conduct a safety campaign to address this condition. To date, there have been no reports of fires, accidents or injuries related to this issue. Description of Remedy : Description of Remedy Program : The remedy is to replace the two subject fuel hoses with hoses having improved connector crimps. Cummins requests that it be exempt from providing notification of a reimbursement plan. Any pre-notification product failure would have been corrected under the manufacturer’s limited warranty. Accordingly, no person would be eligible for reimbursement pursuant to 573.13. How Remedy Component Differs from Recalled Component : The remedy component has an improved crimp and different date codes. Remedy hoses will have a date code of 230310 (YYMMDD format) and later. Identify How/When Recall Condition was Corrected in Production : The condition was corrected in production on 3/3/23 with the introduction of an improved hose design with an increased crimp on the connector joint. Recall Schedule : Description of Recall Schedule : Cummins expects to notify the affected OEMs by 07/28/2023. Pending consultation and agreement with the affected OEMs, Cummins will conduct the recall, including sending owner notifications. The timing of owner notification will be determined in consultation with the OEMs. The notification and remedy schedule is still being developed and Cummins will revise the “planned dealer notification” dates when a more precise schedule is known. In any event, Cummins expects to notify owners no later than 9/15/2023, pending availability of owner addresses from the OEMs. Planned Dealer Notification Date : NR – NR Planned Owner Notification Date : SEP 15, 2023 – SEP 15, 2023 Purchaser Information : The following manufacturers purchased this defective/noncompliant equipment for possible use or installation in new motor vehicles or new items of motor vehicle equipment: Part 573 Safety Recall Report 23E-055 Page 4 The information contained in this report was submitted pursuant to 49 CFR §573 Name : Peterbilt Motors Company Address : 3200 Airport Rd Denton TX 76202 Country : US Company Phone : 9402202760 Name : Tiffin Motorhomes Address : 105 2nd Street , NW Red Bay AL 35582 Country : US Company Phone : 2563563088 Name : Autocar LLC Address : 551 South Washington Street Hagerstown IN 47346 Country : US Company Phone : 7654896081 Name : Grove Worldwide Address : 1565 Buchanan Trail East Shady Grove PA 17256 Country : US Company Phone : 7175935234 Name : Kenworth Motor Truck Co Address : 10630 NE 38th Place Kirkland WA 98033 Country : US Company Phone : 4258285201 * NR – Not Reported
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*** IMPORTANT SAFETY RECALL *** NHTSA Recall No. 23E-055 Cummins Campaign No. C2717 July 24, 2023 Dear Cummins OEM Customer: We are writing to inform you that Cummins Inc. has determined that a safety-related defect exists in certain Cummins L9 engines equipped with a remote Stage 2 fuel filter (Option Number FF90942), which includes two pressurized fuel hoses that were manufactured between November 22, 2022 and February 28, 2023. Cummins has initiated a recall of the subject L9 engines. Our records indicate that some of these engines were shipped to you. A copy of Cummins’ initial Part 573 Defect Notification report is enclosed. This notification was submitted to the National Highway Traffic Safety Administration (NHTSA) on July 18, 2023. As more fully described in the Defect Notification, the remote fuel filter hoses installed on some of the subject engines may have been damaged during engine production, possibly resulting in a fuel hose becoming disconnected that will result in an engine stall or a fuel leak. A stall may increase the risk of a crash. A fuel leak in the presence of an ignition source may increase the risk of a fire. Enclosed is a list of serial numbers for affected engines that our records indicate were shipped to your plants. For engines that have left your control, we encourage you to make a safety defect determination in accordance with 49 USC 30118 et seq. and, as appropriate, to submit a Defect Notification to NHTSA in accordance with 49 CFR Part 573. Cummins will conduct the recall, including notifying owners pursuant to 49 CFR Part 577, performing the remedy, and submitting quarterly status reports to NHTSA. Cummins is requesting that you provide the associated VINs and owner contact information to facilitate owner notification. Please work with your Cummins account team leader to ensure that the requested information is provided to Cummins as soon as possible. As an equipment manufacturer, Cummins has no obligation to file a defect notification to Transport Canada for this recall. If an OEM has an obligation to report the defect to Transport Canada, we ask that you please provide the Transport Canada recall number for your vehicle recall to Cummins. Cummins cannot mail owner letters compliant with Transport Canada regulations without the recall number assigned by Transport Canada. Cummins will provide information to the OEM after mailings are completed so that the OEM can submit the required reports to Transport Canada. For engines that are still in your inventory, please contact the Owner Quality Assurance representative at the Rocky Mount Engine Plant to arrange for repairs. Please note that Federal law prohibits delivery of these engines, or vehicles equipped with these engines, under a sale or lease until this condition has been remedied. Cummins is finalizing the plan to make a field service safety campaign available to address this condition and will advise you when the schedule is known. Cummins apologizes for this inconvenience, but we are initiating this action in the interest of our customers’ safety and satisfaction with our products. Thank you for your assistance. Please confirm receipt of this communication. Sincerely, OEM Service and Quality Leader Enclosures: 1. Cummins Part 573 Defect Notification 2. List of ESNs
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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 23E-055 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Cummins, Inc. Submission Date : AUG 09, 2023 NHTSA Recall No. : 23E-055 Manufacturer Recall No. : C2717 Manufacturer Information : Manufacturer Name : Cummins, Inc. Address : Box 3005 Mail Code COB118 Columbus IN 47202-3005 Company phone : 812-377-5000 Population : Number of potentially involved : 1,135 Estimated percentage with defect : 3 % Equipment Information : Brand / Trade 1 : Cummins Inc. Model : L9 Part No. : D563027BX03 Size : N/A Function : Diesel Engine Descriptive Information : This recall covers certain Cummins L9 engines equipped with a remote Stage 2 fuel filter (Option Number FF90942), which includes two pressurized fuel hoses. The recall consists of the entire population of the engines built between the identified production dates that were equipped with this remote fuel filter option. The subject engines were sold to various OEMs for installation on trucks and Recreational Vehicles. The production “Begin” and “End” dates provided herein are based on the dates listed on the affected engines’ dataplates (the engine “build date”). Production Dates : NOV 22, 2022 – FEB 28, 2023 Description of Defect : Description of the Defect : The remote fuel filter hoses installed on some of the subject engines may have been damaged during engine production, possibly resulting in a fuel hose becoming disconnected or leaking fuel. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : A fuel hose that becomes disconnected will result in an engine stall, increasing the risk of a crash. A fuel leak in the presence of an ignition source may increase the risk of a fire. Description of the Cause : During production of certain engines within the recall population, the fuel Part 573 Safety Recall Report 23E-055 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 hoses may have snagged on the pallet on the assembly line, causing damage to the hoses. The damage may have gone unnoticed. Identification of Any Warning that can Occur : Persons operating in or around the vehicle may see smoke or other visible signs of a fuel leak. Persons operating in or around the vehicle may also smell diesel fuel. Involved Components : Component Name : Hose, Fuel Component Description : Fuel carrying hose with quick connect fittings Component Part Number : 6316754 Supplier Identification : Component Manufacturer Name : N/A Address : NR NR Country : NR Chronology : 1/12/23–Cummins was informed of leaks on the subject hoses during assembly at a PACCAR production facility. 1/12/23–3/3/23–Cummins completed an investigationinto the cause of the leaks. Based upon a preliminary fault tree analysis that identified insufficient crimping as the most likely cause of leaks, on 3/3/23 Cummins implemented hoses with an improved connector crimp to increase the robustness of the hoses. 3/3/23–4/28/23–Cummins monitored the improvement. An additional leak with the improved hoses was reported to Cummins on 4/28/23 by an OEM customer that observed the leak during their assembly process. 4/28/23–5/10/23–Cummins continued to investigate the issue and determined that the cause was that the hoses may have snagged on the assembly pallet. 5/14/23–Cummins implemented an additional corrective action to prevent the snagging by controlling the hose routing during production and implemented a check for damaged hoses. 4/17/23-6/13/23–Cummins conducted a product safety investigation. A warranty search identified 52 claims with claim dates of 1/9/23-6/13/23 for leaks involving engines equipped with this option. Cummins confirmed that there had not been any field reports of leaks involving engines built after 3/3/23 when the improved hoses were implemented. Cummins also concluded that the improved hoses are sufficient to address the issue even if the improved hoses may have snagged on the pallet prior to 5/14/23 when the snagging corrective action was implemented. Cummins conducted a Product Safety Hazard Analysis to evaluate the potential safety risk on fielded units. 6/14/23-7/11/23 – Cummins escalated the issue through its Product Safety Defect Determination Process. 7/11/23 – Based upon the results of the investigation, the Cummins Part 573 Safety Recall Report 23E-055 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Product Safety Defect Board decided to conduct a safety campaign to address this condition. To date, there have been no reports of fires, accidents or injuries related to this issue. Description of Remedy : Description of Remedy Program : The remedy is to replace the two subject fuel hoses with hoses having improved connector crimps. Cummins requests that it be exempt from providing notification of a reimbursement plan. Any pre-notification product failure would have been corrected under the manufacturer’s limited warranty. Accordingly, no person would be eligible for reimbursement pursuant to 573.13. How Remedy Component Differs from Recalled Component : The remedy component has an improved crimp and different date codes. Remedy hoses will have a date code of 230310 (YYMMDD format) and later. Identify How/When Recall Condition was Corrected in Production : The condition was corrected in production on 3/3/23 with the introduction of an improved hose design with an increased crimp on the connector joint. Recall Schedule : Description of Recall Schedule : Cummins expects to notify the affected OEMs by 07/28/2023. Pending consultation and agreement with the affected OEMs, Cummins will conduct the recall, including sending owner notifications. The timing of owner notification will be determined in consultation with the OEMs. Cummins expects to release a safety campaign by September 7, 2023. In any event, Cummins expects to notify owners no later than 9/15/2023, pending availability of owner addresses from the OEMs. Planned Dealer Notification Date : SEP 07, 2023 – SEP 07, 2023 Planned Owner Notification Date : SEP 15, 2023 – SEP 15, 2023 Purchaser Information : The following manufacturers purchased this defective/noncompliant equipment for possible use or installation in new motor vehicles or new items of motor vehicle equipment: Name : Peterbilt Motors Company Address : 3200 Airport Rd Denton TX 76202 Country : US Company Phone : 9402202760 Part 573 Safety Recall Report 23E-055 Page 4 The information contained in this report was submitted pursuant to 49 CFR §573 Name : Tiffin Motorhomes Address : 105 2nd Street , NW Red Bay AL 35582 Country : US Company Phone : 2563563088 Name : Kenworth Motor Truck Co Address : 10630 NE 38th Place Kirkland WA 98033 Country : US Company Phone : 4258285201 Name : Grove Worldwide Address : 1565 Buchanan Trail East Shady Grove PA 17256 Country : US Company Phone : 7175935234 Name : Autocar LLC Address : 551 South Washington Street Hagerstown IN 47346 Country : US Company Phone : 7654896081 * NR – Not Reported
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