Western Star 4700, 49X +3 more: Fuel system — fuel rail

Affects Western Star 4700, 49X, 47X, WF110, WJ121 · 2019–2022 — about 3K vehicles.

The hazard

A high pressure fuel leak in the presence of an ignition source can increase the risk of a fire.

What to do

Dealers will replace the fuel tubes, and install vibration isolators, free of charge. Owner notification letters were mailed January 28, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-915.

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