June 23, 2021 NHTSA CAMPAIGN NUMBER: 21V468000
High Pressure Fuel Rail Assembly May Leak Fuel
A fuel leak in the presence of an ignition source increases the risk of a fire.
NHTSA Campaign Number: 21V468
Manufacturer Alexander Dennis Inc.
Components FUEL SYSTEM, DIESEL
Potential Number of Units Affected 60
Summary
Alexander Dennis, Inc. (Alexander Dennis) is recalling certain 2017-2020 E500 buses. The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.
Remedy
Dealers will inspect the rail threads and fuel lines, and replace the rail as necessary, free of charge. Owner notification letters were mailed June 18, 2021. Owners may contact Alexander Dennis customer service at 1-951-244-9429.
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. 21E-032
Interim Recall Notice
June 18, 2021
Dear Cummins
Customer:
This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. Cummins Inc. has decided that a defect which relates to motor vehicle safety exists in certain Cummins L9 and ISX12 engines manufactured between January 2, 2017 and October 16, 2020 and installed in buses, school buses, emergency vehicles and recreational vehicles.
This notice applies to the engines in your vehicles listed on the enclosed table.
WHAT IS THE PROBLEM?
The fuel rail assembly may develop leaks, which may result in an undetected prolonged diesel fuel spray. The operator may see or smell diesel fuel and, in some cases, the check engine lamp may illuminate. A leak involving spraying/misting fuel in the presence of an ignition source may increase the risk of fire.
WHAT WILL CUMMINS DO?
Cummins is currently developing the permanent remedy for this issue. You will receive a second notification to inform you when the final remedy is available and to provide instructions to schedule the recall for your engine.
WHAT SHOULD YOU DO?
In the meantime, Cummins advises you to periodically check the fuel rails for signs of leaking and seek repairs if leaks are identified. If a leak occurs, the operator may see or smell diesel fuel and, in some cases, the check engine lamp may illuminate.
WHO SHOULD YOU CONTACT IF YOU HAVE FURTHER QUESTIONS OR CONCERNS?
If you have questions or concerns about this recall, please contact your local Cummins Distributor or authorized warranty dealer. You may also contact Cummins Care at 1-800- CUMMINS (1-800286-6467) or visit our website at care.cummins.com.
If you have a complaint relative to this recall, you may report it to the following:
Administrator
National Highway Traffic Safety Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
You may also call the toll-free Vehicle Safety Hotline at 1-888-327-4236 (TTY: 1-800-424-9153); or go to https://www.safercar.gov.
If you have not registered your Cummins product, please complete the enclosed registration card or register your product at https://prodreg.cummins.com/prodreg/#/webform/contactInfo.
If you are no longer the owner of the vehicle listed on the enclosed table, please forward this notice to the new owner or provide the new owner’s contact information to Cummins so that we can notify them of this recall.
Federal law requires vehicle lessors receiving this recall notice to forward a copy of this notice to the lessee within ten (10) days. Also, it is a violation of Federal law for a dealer to deliver new vehicle or equipment covered by this recall notice under a sale or lease until the defect has been remedied.
Cummins is taking this action in the interest of safety and satisfaction with our products. We apologize for any inconvenience and thank you for your attention to this matter.
Sincerely,
Campaign Administrator
Cummins Inc.
Cummins Inc.
Box 3005
Columbus, IN 47202 – 3005 USA
Mail Code: 40911
Phone: 1 800 CUMMINS
care.cummins.com
21E032 Cummins ISX12 & L9 Fuel Rail Assembly Inspection and Repair Procedure: External Fuel Leaks
4 Affected Products
Vehicle
| MAKE | MODEL | YEAR |
| ALEXANDER DENNIS | E500 | 2017-2020 |
8 Associated Documents
Recall Acknowledgement
RCAK-21V468-1087.pdf 647.018KB
Owner Notification Letter(Part 577)
RCONL-21V468-7722.pdf 362.932KB
Recall 573 Report- Amendment 1
RCLRPT-21V468-7394.PDF 213.572KB
Recall 573 Report – Amendment 2 11/16/2021
RCLRPT-21V468-8113.PDF 214.18KB
Recall Quarterly Report #2, 2021-3
RCLQRT-21V468-5323.PDF 211.23KB
Recall Quarterly Report #3, 2021-4
RCLQRT-21V468-4726.PDF 211.319KB
ISSUED Interim Owner Notification Letter(Part 577)
RIONL-21V468-3913.pdf 362.932KB
Recall Quarterly Report #1, 2021-2
RCLQRT-21V468-7049.PDF 211.135KB
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