July 28, 2022 NHTSA CAMPAIGN NUMBER: 22V547000
Steering Gear Assembled Incorrectly
A fractured steering gear can cause a loss of steering control, increasing the risk of a crash.
NHTSA Campaign Number: 22V547
Manufacturer PACCAR Incorporated
Components STEERING
Potential Number of Units Affected 47,513
Summary
PACCAR Incorporated (PACCAR) is recalling certain 2022-2023 Kenworth T170, T270, T280, T370, T380, T440, T470, T480, T680, T800, T880, W900, W990, C500, and 2022-2023 Peterbilt 325, 330, 337, 348, 365, 367, 389, 520, 536, 537, 548, 567, and 579 vehicles. The steering gears may have been assembled incorrectly, which can cause the gears to fracture.
Remedy
Dealers will inspect the steering gear serial numbers, and replace the steering gears as necessary, free of charge. Owner notification letters are expected to be mailed September 26, 2022. Owners may contact Kenworth’s customer service at 1-425-828-5888 and Peterbilt’s customer service at 1-940-591-4220. PACCAR’s numbers for this recall are 22PBE and 22KWE.
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 :
5-20 RH Sheppard communicated they were filing equipment recall due to steering gear shaft failures on two warranty returns. No root cause or remedy.
5-24 RHS sent list of suspect steering gear orders.
5-26 RHS provided instructions for reading serial numbers and range for suspect parts. Plants began inspecting and quarantining material. RHS testing if gears can be tested on trucks to determine good gears. RHS doing infant failure analysis.
5-27 RHS provided some suspect part numbers.
6-01 RHS sent list of serial numbers checked so far as being cleared. Plants re-sort and release parts. Plants had quarantined by the suspect year/month and could now release specific steering gear serial numbers.
6-03 Warranty search found 2 claims match known failures.
6-07 RHS sent larger list of serial numbers that currently makes up the suspect gear serial number population. Plants re-sort and release parts.
6-08 RHS identified root cause to be recirculating balls removed during re-work and new ball insertion process not completed.
6-09 RHS reduced the suspect population to 2,816 serial numbers. Plants re-sort and release parts.
6-16 RHS sent new suspect population with 2,877 serial numbers. Plants re-sort and release parts. Safety and Compliance asked for PACCAR part number, plant location and invoice date to be added to suspect population list.
6-23 RHS sent new suspect population list with added information that was requested.
7-01 Safety and Compliance requested information to aid in preparing this issue for the Safety Committee.
7-06 RHS provided requested information.
7-07 Safety Committee reviewed. Questions on how the suspect truck population was determined.
7-08 RHS provided field action proposal.
7-14 Discussed with NHTSA during regular scheduled quarterly meeting.
7-18 Safety Committee Minutes sent to Safety Committee for decision whether this issue is a safety related defect.
7-22 Safety Committee determines a safety related defect exists.
54 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| KENWORTH | C500 | 2022-2023 |
| KENWORTH | T170 | 2022-2023 |
| KENWORTH | T270 | 2022-2023 |
| KENWORTH | T280 | 2022-2023 |
| KENWORTH | T370 | 2022-2023 |
| KENWORTH | T380 | 2022-2023 |
| KENWORTH | T440 | 2022-2023 |
| KENWORTH | T470 | 2022-2023 |
| KENWORTH | T480 | 2022-2023 |
| KENWORTH | T680 | 2022-2023 |
| KENWORTH | T800 | 2022-2023 |
| KENWORTH | T880 | 2022-2023 |
| KENWORTH | W900 | 2022-2023 |
| KENWORTH | W990 | 2022-2023 |
| PETERBILT | 325 | 2022-2023 |
| PETERBILT | 330 | 2022-2023 |
| PETERBILT | 337 | 2022-2023 |
| PETERBILT | 348 | 2022-2023 |
| PETERBILT | 365 | 2022-2023 |
| PETERBILT | 367 | 2022-2023 |
| PETERBILT | 389 | 2022-2023 |
| PETERBILT | 520 | 2022-2023 |
| PETERBILT | 536 | 2022-2023 |
| PETERBILT | 537 | 2022-2023 |
| PETERBILT | 548 | 2022-2023 |
| PETERBILT | 567 | 2022-2023 |
| PETERBILT | 579 | 2022-2023 |
2 Associated Documents
Recall Acknowledgement
RCAK-22V547-2355.pdf 646.452KB
RCAK-22V547-2355
Recall 573 Report – July 28, 2022
RCLRPT-22V547-1774.PDF 215.03KB
Latest Recalls Documents
https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=22V547&docType=RCL
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- All units are built with 100% new seals and o-rings
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