23PBH – U-Bolt May Puncture Fuel Tank – 2021-2024 Peterbilt 579 & 567 Trucks

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September 27, 2023 NHTSA CAMPAIGN NUMBER: 23V653000

U-Bolt May Puncture Fuel Tank

A punctured fuel tank can leak fuel, increasing the risk of a fire.

 

NHTSA Campaign Number: 23V653

Manufacturer PACCAR Incorporated

Components FUEL SYSTEM, DIESEL

Potential Number of Units Affected 1,315

 

Summary

PACCAR Incorporated (PACCAR) is recalling certain 2021-2024 Peterbilt 579 and 567 trucks. The U-bolts that attach the air tank to the chassis may contact the fuel tank and over time, wear a hole in the tank.

 

Remedy

Dealers will inspect and trim the U-bolts, and replace the fuel tank as necessary, free of charge. Owner notification letters are expected to be mailed November 24, 2023. Owners may contact Peterbilt’s customer service at 1-940-591-4220. PACCAR’s number for this recall is 23PBH.

 

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.

 


23PBH: Interim Safety Recall – 567 and 579 Air Tank U-Bolts Chafing Fuel Tank

Interim Safety Recall

Certain model year 2021 to 2024, 567 and 579 vehicles built from 06/22/2020 through 06/16/2023 were equipped with air tank bracket G11-6439-009 mounted behind a fuel tank without a frame spacer. The air tank mounting U-bolts are different lengths and may contact the fuel tank, which can result in a hole and the potential for a fuel leak. Leaking fuel may lead to an increased risk of a fire.

 

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Chronology :

6/6/23: Issue first brought up to Safety and Compliance

6/12/23: Engineer visited CVS to view recently manufactured tractors. Found 5 close related cases.

6/16/23: Engineer talked with design engineering to understand the history of the parts involved.

6/17/23: Engineer visited manufacturing to understand the process of installation. Engineer received plant process document.

6/26/23: Warranty search completed. Found 7 warranty claims stating checked U-bolt hitting the fuel tank. Reassembled and checked clearances. No further issues were found.

6/19/23: Engineer talked with warranty containment to understand changes to improve future tractors based on root cause found.

6/27/23: Presented investigation to safety committee. Needed further information to make decision.

7/7/23: Engineering finished gathering information asked from safety committee.

7/11/23: Presented investigation to safety committee. Testing was requested.

7/13/23: Reached out to PTC about testing and communicated the dynamic gap study requested

7/20/23: Engineering submitted RTS to PTC for assignment. Parts shipped to PTC for further test.

7/25/23: Parts arrived at PTC for testing.

8/15/23: PTC finished attaching parts to a test tractor. Instrumentation attached on the truck for testing.

8/22/23: Initial test was completed, and the data was collected.

8/25/23: Test data was presented/discussed to Peterbilt Safety and Compliance.

9/1/23: Population was scanned for errors. No errors found. Final Warranty Search

9/5/23: Present investigation to partial safety committee. Attendees requested additional engineering review of chassis layouts.

9/21/23: Safety Committee reviewed chassis layouts.

9/25/23: Separate review with remaining safety committee members. Conclusion was to issue a recall.

As of 9/25/23, Paccar received 10 warranty claims and 11 report(s) of trucks in the field that may be related between June 2021 and June 2023. Zero reports of deaths or injuries have been received.

 


8 Affected Products

Vehicles

MAKE MODEL YEAR
PETERBILT 567 2021-2024
PETERBILT 579 2021-2024

 


3 Associated Documents

Recall Acknowledgement

RCAK-23V653-8918.pdf 701.416KB

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Defect Notice 573 Report

RCLRPT-23V653-6167.PDF 214.728KB

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Safety Bulletin

RCSB-23V653-7231.pdf 116.023KB

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Latest Recalls Documents

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=23V653&docType=RCL

 


 

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TMW (4) Hot Dipped Galv Square 1/2" Dia. U-Bolts x 3-1/16" Inside Width x 4-5/16" Inside Height & HD Washers, Lock Washers & Nuts for Boat & Utility Trailers Fits Down Over 3" Wide Metal
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Last update on 2024-06-18 / Affiliate links / Images from Amazon Product Advertising API

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