22KWD – Transmission May Slip Into Unexptected Gear – 2022 Kenworth T180, 2021-2023 T280, 2022-2023 T380

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June 15, 2022 NHTSA CAMPAIGN NUMBER: 22V425000

Transmission May Slip Into Unexptected Gear

A miscalibrated actuator may cause the transmission to shift into an unexpected gear, increasing the risk of a crash.

 

NHTSA Campaign Number: 22V425

Manufacturer PACCAR Incorporated

Components POWER TRAIN

Potential Number of Units Affected 402

 

Summary

PACCAR, Incorporated (PACCAR) is recalling certain 2022 Kenworth T180, 2021-2023 Kenworth T280, 2022-2023 Kenworth T380, 2022-2023 Peterbilt 536, and 537 vehicles. Internal components of the transmission actuator may slip, causing the actuator to become miscalibrated.

 

Remedy

Dealers will replace the transmission actuator, free of charge. Owner notification letters were mailed December 8, 2022. Owners may contact PACCAR’s customer service at 1-425-828-5888 (Kenworth); 1-940-591-4220 (Peterbilt). PACCAR’s number for this recall is 22KWD and 22PBD.

 

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.

 


Chronology :

05-17-22: Paccar Plant notified Safety & Compliance of potential issue with transmission actuators, per feedback from the supplier.

05-18-22: Meeting held with supplier, Supplier Quality and Safety & Compliance to discuss. Containment at plants is complete, and all affected trucks are on hold at Paccar plants per supplier’s recommendation. Review of inventory at Paccar Parts begins to quarantine all suspect inventory. Safety & Compliance opens investigation.

05-20-22: Short term corrective action proposed is to rework existing inventory to add a keyway to prevent relative motion between the ring gear and shaft. Validation plan is reviewed between the supplier and Paccar.

05-31-22: Short term corrective action passes preliminary validation testing. Parts procurement in process for rework. Reworked parts will have a green dot on the part identification label for traceability.

06-08-22: Internal team completes summary of investigation. Affected population firmed.

06-09-22: Safety committee meeting held. The committee concurs that a safety related defect exists and the affected population shall be recalled.

 


10 Affected Products

Vehicles

MAKE MODEL YEAR
KENWORTH T180 2022
KENWORTH T280 2021-2023
KENWORTH T380 2022-2023
PETERBILT 536 2022-2023
PETERBILT 537 2022-2023

 


6 Associated Documents

Defect Notice 573 Report

RCLRPT-22V425-5817.PDF 215.955KB

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Recall Acknowledgement

RCAK-22V425-9569.pdf 849.811KB

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Safety Bulletin

RCSB-22V425-5519.pdf 69.64KB

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ISSUED Interim Owner Notification Letter(Part 577)

RIONL-22V425-2824.pdf 150.909KB

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ISSUED Owner Notification Letter(Part 577)

RCONL-22V425-3432.pdf 220.261KB

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ISSUED Owner Notification Letter(Part 577)

RCONL-22V425-5801.pdf 145.726KB

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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=22V425&docType=RCL

 


 

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