22KWE – Steering Gear Assembled Incorrectly – 2022-2023 Kenworth T170, T270, T280, T370, T380, T440, T470, T480, T680, T800, T880, W900, W990, & C500

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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 were 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.

 


Safety Recall – Certain steering gears may have been assembled incorrectly, causing the gear to fracture. This can cause a loss of steering control, increasing the risk of a crash. Steering gear serial numbers must be inspected to determine suspect gears. This Phase 1 release is for inspection and data collection only due to supply chain issues. The bulletin has been updated to include Warranty Quick Claim explanations and updated procedures. This bulletin will be updated when parts and repair procedures are available.

 

Introduction

Kenworth Truck Company has determined that a defect, which relates to motor vehicle safety, exists in certain Model Year 2022-2023 T170, T270, T280, T370, T380, T440, T470, T480, T680, T680 NextGen, T800, T880, W900, W990, and CS00 chassis built from 06/01/2021 through 06/16/2022. The steering gear may have been incorrectly assembled, which could cause the steering gear to fracture, resulting in loss of steering control and increased risk of a collision.

Some steering gears were assembled with fewer than the required number of recirculating balls which can lead to a fracture in the steering gear worm shaft and loss of vehicle steering.

Steering gears with fewer than the required number of recirculating balls may bind when loads are applied. In some cases, the balls may align on the same side of the gear’s worm shaft and concentrated loads may cause the gear’s internal parts to fracture resulting in loss of vehicle steering. Loss of steering increases the likelihood of a crash.

Preceding the internal fracture, the steering may be perceived as strained by the driver. No audible or visual warning is available.

 

Situation

26,678 (25,088 US and 1,590 CAN) Model Year 2022-2023 T170, T270, T280, T370, T380, T440, T470, T480, T680, T680 NextGen, T800, T880, W900, W990, and CS00 chassis built from 06/01/2021 through 06/16/2022 may contain suspect steering gears.

Refer to the attached chassis list to identify which vehicles require inspection to determine if they contain a suspect steering gear.

 


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

 


8 Associated Documents

Recall Acknowledgement

RCAK-22V547-2355.pdf 646.452KB

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Recall 573 Report – July 28, 2022

RCLRPT-22V547-1774.PDF 215.03KB

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PACCAR – Inspect Only Bulletin – August 2022

RCMN-22V547-7776.pdf 762.836KB

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PACCAR – Interim Bulletin – August 2022

RCMN-22V547-8999.pdf 353.81KB

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Safety Bulletin

RCSB-22V547-6902.pdf 208.52KB

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Recall 573 Report – September 2022

RCLRPT-22V547-6972.PDF 243.413KB

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ISSUED Owner Notification Letter(Part 577)

RCONL-22V547-3238.pdf 231.144KB

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ISSUED Owner Notification Letter(Part 577)

RCONL-22V547-1576.pdf 184.651KB

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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=22V547&docType=RCL

 


 

Bestseller No. 1
Detroit Axle - Power Steering Gear Box for Chevrolet GMC C1500 K1500 C2500 K2500 Pickup Suburban Tahoe Yukon Replacement Power Steering Gear Box Assembly [W/o Sport Package]
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  • Power Steering Gear Box Replacement for 1994-1995 GMC C2500 Pickup (6-Bolt; Gas; 7,200 lb GVW) - [1988-1990 C2500 Pickup (6-Bolt; Gas; 4.3L 5.0L 5.7L; 7,200 lb GVW)] - 1991-1999 C2500 Pickup (6-Bolt ; 7,200lb GVW) - [1992-1993 C2500 Suburban (7,200 lb GVW)] - 1994-1999 C2500 Suburban - [1988-1999 K1500 Pickup] - 1992-1996 K1500 Suburban (7,200lb GVW) - [1988-1990 K2500 Pickup (6-Bolt; Gas; 7,200 lb GVW)] - 1991-1999 K2500 Pickup (6-Bolt; 7,200lb GVW) - [1992-2000 Yukon (97: 4WD,DIESEL; 98: 4WD)]
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Detroit Axle - 4WD Steering Gear Box for Chevy GMC Silverado Sierra Suburban Avalanche 1500 Express Savana 2500 Tahoe Yukon Cadillac Escalade ESV EXT Power Steering Gear Box Assembly Replacement
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A-Premium Complete Power Steering Gear Box Gearbox Assembly Compatible with Chevrolet Silverado 1500 99-06, Silverado 1500 Classic, Tahoe, Suburban 1500 & GMC Sierra 1500, Sierra 1500 Classic, Yukon
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  • [Reference Number]: 15067316, 15077365, 15173572, 26070311, 26080929, 26082140, 26110836, 88965789, 27-8412, 278412
  • [Specification]: ①Condition: New; ②Input Shaft Dia: 16.76 mm; ③Output Shaft Dia: 31.75 mm; ④Pressure Port Thread Size: M18 x 1.5; ⑤Return Port Thread Size: M16 x 1.5; ⑥Total Turns Lock To Lock: 2.9 to 3.4
  • [Ideal Solution]: This steering gear box assembly is best professional solution for Silverado 1500, Sierra 1500, Tahoe, Yukon, Suburban 1500, Avalanche 1500, Yukon XL 1500 and Escalade's the steering problem (such as clunking while turning, shaking steering wheel, excessive free play in steering, leaking power steering fluid, etc), and restore steering wheel operation, also saves you hundreds of dollars from original part
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Detroit Axle - Power Steering Gear Box for Dodge Ram 1500 2500 3500 Chevy GMC C2500 C3500 K2500 K3500 Complete Power Steering Gear Box Assembly Replacement
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Bestseller No. 6
CUSTONEPARTS Power Steering Gear Box Gearbox Assembly Compatible with 1997-2007 Ford F-350,1999-2004 F250 F350 F450 F550 Super Duty,2000-2005 Excursion 27-7569, 277569, 2C3Z3504AARM
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  • 🍨The steering gear box is the heart of the vehicle’s steering system. It guides the wheels’ movement in conjunction with the direction that the steering wheel is rotated, helping achieve ideal steering response for more efficient driving.
  • 🍨Specification: ①Condition: New; ②Input Shaft Dia: 18.42mm; ③Output Shaft Dia: 34.93mm; ④Pressure Port Thread Size: 1/2 x 20; ⑤Return Port Thread Size: 5/8 x 18; ⑥Total Turns Lock To Lock: 4.0
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A-Premium Complete Power Steering Gear Box Gearbox Assembly Compatible with Dodge Ram 1500 94-01, Ram 2500 94-98 & Chevrolet Tahoe 98-99, C1500 Suburban, K1500 Suburban, K2500, K3500 & GMC C3500HD
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  • [Vehicle Fitment]: Compatible with GMC C1500 Suburban 1997-1999 ✔ C2500 1988-2000 ✔ C2500 Suburban 1992 ✔ C3500 1988-2000 ✔ C3500HD 1991 ✔ K1500 Suburban 1997-1999 ✔ K2500 1988-2000 ✔ K2500 Suburban 1992-1996 ✔ K3500 1988-2000 ✔ C2500 Suburban 1996/1998-1999 ✔ C3500HD 1994-1995/1998-2002 ✔ K2500 Suburban 1998-1999 ✔ For Left Hand Drive Only!!!
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  • [Reference Number]: 15068759, 19150135, 26099875, 27-7617, 277617, 15166613, 27-7589, 277589
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A-Premium Complete Power Steering Gear Box Gearbox Assembly Compatible with Chevrolet C10, C10 Suburban, C20, C20 Suburban, C30, R10, R10 Suburban, R20, R2500, R30, R3500 & GMC C1500, C2500, C3500
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  • 100% computerized hydraulic testing is performed for proper flow, leakage and performance to ensure perfect fit and function
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Last update on 2024-04-12 / Affiliate links / Images from Amazon Product Advertising API

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