Western Star 4900: Service brakes — air

Affects Western Star 4900 · 2015–2018 — about 450 vehicles.

The hazard

A rapid loss of air pressure without warning may cause a sudden application of the park brakes, increasing the risk of a crash.

What to do

DTNA will notify owners, and dealers will replace the aluminum air tanks with steel, triple compartment, air tanks, free of charge. The recall began on April 27, 2017. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-732.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational