21PBB – Flywheel Capscrews Not Tightened Properly – 2021-2022 Peterbilt 579, 567, 389, 367

February 17, 2021 NHTSA CAMPAIGN NUMBER: 21V080000

Flywheel Capscrews Not Tightened Properly

A detached flywheel can cause loss of drive power, increasing the risk of a crash. Additionally, driveline pieces may be ejected from the engine compartment, increasing the risk of injury.

 

NHTSA Campaign Number: 21V080

Manufacturer PACCAR Incorporated

Components ENGINE

Potential Number of Units Affected 132

 

Summary

PACCAR Incorporated (PACCAR) is recalling certain 2021-2022 Kenworth T680, T880, W990, T800, W900 and Peterbilt 579, 567, 389, 367 vehicles equipped with a Cummins X15 engine. The capscrews that attach the flywheel to the crankshaft may have been improperly torqued, allowing the flywheel to detach.

 

Remedy

PACCAR will notify owners, and dealers will properly torque the capscrews and the engine will also be inspected for damage and, if necessary, repaired, free of charge. The recall began on March 29, 2021. Owners may contact PACCAR customer service at 1-425-828-5888 (Kenworth) or 1-940-591-4220 (Peterbilt). PACCAR’s numbers for this recall are 21KWA and 21PBB.

 

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.

 

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*** IMPORTANT SAFETY RECALL***

NHTSA Recall No. 21E009

Cummins Campaign #C2402

 

March 29, 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 ISX Engines that were manufactured between October 27, 2020 and January 11, 2021.

 

This notice applies to your engine(s) listed in the table on the enclosed list.

 

WHY IS A RECALL BEING CONDUCTED?

The engine flywheel may be susceptible to detaching from the crankshaft, leading to loss of motive power, which may increase the risk of a crash.  Additionally, driveline pieces may be ejected from the engine compartment, which may increase the risk of personal injury.

 

WHAT ARE WE DOING ABOUT THE PROBLEM?

Cummins has released field Safety Campaign #C2402 “ISX15 CM2250 SN and X15 CM2450 X124B/X154B Flywheel Capscrew Retorque Safety Campaign” to correct this condition by properly torqueing the subject capscrews and inspecting for possible damage and, if necessary, repairing the damage.  This campaign is currently available at Cummins Distributors and authorized Warranty Dealers. The repair will be completed free of charge and most applications will require approximately nine hours to complete.

 

WHAT SHOULD YOU DO?

Contact the nearest Cummins Distributor or authorized Warranty Dealer to arrange to have this campaign performed on your engine.  The distributor or dealer will work with you to schedule the best date to complete this repair.

 

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 a new vehicle or equipment covered by this recall notice under a sale or lease until the defect has been remedied.

 

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 1-800CUMMINS (1-800-286-6467), 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 engine or vehicle listed in the table below, 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.

 

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.

 

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21E009 Cummins X15 Diesel Engines Flywheel Capscrews

21E009 Cummins X15 Diesel Engines Flywheel Capscrews

 

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17 Affected Products

Vehicles

MAKE	MODEL	YEAR
KENWORTH	T680	2021-2022
KENWORTH	T800	2021-2022
KENWORTH	T880	2021-2022
KENWORTH	W900	2021-2022
KENWORTH	W990	2021
PETERBILT	367	2021-2022
PETERBILT	389	2021-2022
PETERBILT	567	2021-2022
PETERBILT	579	2021-2022

 

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9 Associated Documents

ISSUED Owner Notification Letter(Part 577)

RCONL-21V080-4564.pdf 505.607KB

 

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Defect Notice 573 Report

RCLRPT-21V080-8111.PDF 214.256KB

 

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Recall 573 Report- Amendment 1

RCLRPT-21V080-4428.PDF 214.291KB

 

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Recall Acknowledgement

RCAK-21V080-8484.pdf 647.085KB

 

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Recall 573 Report- Amendment 2

RCLRPT-21V080-7248.PDF 214.336KB

 

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Recall Quarterly Report #1, 2021-1

RCLQRT-21V080-1977.PDF 211.31KB

 

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Recall Quarterly Report #3, 2021-3

RCLQRT-21V080-8404.PDF 211.31KB

 

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Recall Quarterly Report #2, 2021-2

RCLQRT-21V080-2227.PDF 211.304KB

 

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Recall Quarterly Report #4, 2021-4

RCLQRT-21V080-1000.PDF 211.412KB

 

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Latest Recalls Documents

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=21V080&docType=RCL

 

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Last update on 2025-04-18 / Affiliate links / Images from Amazon Product Advertising API

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