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Western Star 4700 Recall 18V191: Power Stud May Arc Against Bulkhead, Risking Fire

NHTSA campaign 18V191, reported March 26, 2018, 7,128 vehicles potentially affected.

What this recall means for you

A power stud that passes through the truck's bulkhead can, in certain circumstances, contact the bulkhead and produce an electrical arc. An electrical arc can increase the risk of a fire.

If you own an affected truck, dealers will inspect the power stud for proper clearance to the bulkhead and replace it if necessary. The inspection and any replacement are free of charge. Owners may contact Daimler Trucks North America customer service at 1-800-547-0712, referencing recall FL-766. You can also check your vehicle identification number (VIN) for open recalls.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 18V191Daimler Trucks North America LLC
Component
ELECTRICAL SYSTEM:WIRING
Problem
Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2019 Western Star 4700, 4900, 5700, and 6900 trucks. The affected trucks have a power stud that passes through the bulkhead. In certain circumstances the power stud may contact the bulkhead and result in an electrical arc.
Risk
An electrical arc can increase the risk of a fire.
Remedy
DTNA will notify owners, and dealers will inspect the power stud for the proper clearance to the bulkhead, and replace it if necessary, free of charge. DTNA issued an interim notification to owners on May 23, 2018. The recall began October 29, 2018. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-766.
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.

Affected vehicles

Western Star 4700201720182019
Western Star 4900201720182019
Western Star 5700201720182019
Western Star 6900201720182019