The defect
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.
The risk
An electrical arc can increase the risk of a fire.
The 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.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Western Star 4700 | 2017, 2018, 2019 |
| Western Star 4900 | 2017, 2018, 2019 |
| Western Star 5700 | 2017, 2018, 2019 |
| Western Star 6900 | 2017, 2018, 2019 |
Components: ELECTRICAL SYSTEM:WIRING
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Western Star 4700 | 2017 | 1 | 9 |
| Western Star 4700 | 2018 | 1 | 12 |
| Western Star 4700 | 2019 | 0 | 14 |
| Western Star 4900 | 2017 | 0 | 16 |
| Western Star 4900 | 2018 | 0 | 16 |
| Western Star 4900 | 2019 | 1 | 15 |
| Western Star 5700 | 2017 | 0 | 12 |
| Western Star 5700 | 2018 | 1 | 11 |
| Western Star 5700 | 2019 | 1 | 14 |
| Western Star 6900 | 2017 | 0 | 5 |
| Western Star 6900 | 2018 | 0 | 4 |
| Western Star 6900 | 2019 | 0 | 2 |
Other electrical system recalls in 2018
105 of the 912 recall campaigns reported to NHTSA in 2018 concerned the electrical system; Daimler Trucks North America LLC filed 213 campaigns in all.
| 18V946000 31 Dec 2018 | Arcimoto Inc |
| 18V933000 27 Dec 2018 | Forest River, Inc. |
| 18V930000 21 Dec 2018 | Daimler Trucks North America LLC |
| 18V929000 21 Dec 2018 | Daimler Trucks North America LLC |
| 18V917000 20 Dec 2018 | Chrysler (FCA US LLC) |
| 18V921000 20 Dec 2018 | Honda (American Honda Motor Co.) |
| 18V895000 19 Dec 2018 | Dennis Eagle Inc. |
| 18V909000 19 Dec 2018 | Mercedes-Benz USA, LLC. |
NHTSA recalls (public domain) · all recalls of 2018