Campaign 22V-205

Inversion valve air lines may have been incorrectly installed, potentially reducing brake performance

Defect summary

Daimler Trucks North America, LLC (DTNA) is recalling certain 2023 Western Star 4900 trucks. The inversion valve air lines may have been incorrectly installed, potentially reducing brake performance.

Consequence

Reduced brake performance increases the risk of a crash.

Remedy

All vehicles have been remedied, therefore no owner notification letters are necessary. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-924.

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.

Source: NHTSA ODI recalls file, campaign 22V205000. Text as published by NHTSA.

Vehicles covered

One product line is covered

Owner complaints filed with NHTSA about brakes on these vehicles: 0, of which 0 involved a crash, fire, injury or death. Complaints are not verified by NHTSA.

Vehicles covered by campaign 22V-205
Make	Model	Model years	Complaints on this component
Western Star	4900	2023	0

Source: NHTSA ODI recalls and complaints files. Equipment, tire and child-seat campaigns list products, not vehicles.

Investigation

No NHTSA investigation is linked to this recall

Most recalls are started by the manufacturer. This one lists "Manufacturer" as its origin.

Before the recall

No service bulletins on this component preceded the recall

Distinct manufacturer communications on the same component group, make, model and model year in the 24 months before the report date.

Source: NHTSA manufacturer communications file.

Service bulletins

25V-602 Sep 11, 2025
Brake caliper mounting bolts may loosen and detach, which can cause a loss of brake function and damage the tire and/or wheel
25V-601 Sep 11, 2025
Brake caliper mounting bolts may loosen and detach, which can cause a loss of brake function and damage the tire and/or wheel
25V-295 May 7, 2025
Air tank capacity may be too small, resulting in reduced braking performance
24V-336 May 14, 2024
Rubber ball seal in the Intellipark Park Valve Modules (PVM) may fracture and cause a leak, which can result in park brake failure or unexpected…
24V-335 May 14, 2024
Rubber ball seal in the Intellipark Park Valve Modules (PVM) may fracture and cause a leak, which can result in park brake failure or unexpected…
24V-013 Jan 10, 2024
Defect in the inversion valve may delay park brake engagement, which could allow the vehicle to move unintentionally