Western Star · Canada · Mod
Western Star 4900: Powertrain
Affects Western Star 4900 · 2015–2016 — about 6 vehicles.
The hazard
On certain trucks equipped with Marmon-Herrington driven front axles, flange yoke fasteners were not tightened to specification. This could allow the driveshaft to become disconnected from the axle, potentially resulting in injury and/or damage to property. Correction: Dealers will inspect bolts and tighten or replace as necessary.
What to do
Contact your dealer; the remedy details were not included in the filing.
Critical — crash/injury risk now
High — injury risk; see remedy
Moderate — fix at next service
Low — minor / informational