Western Star · Canada · Mod
Western Star C.O.E.: Brakes
Affects Western Star C.O.E. · 1983–1984 — about 12 vehicles.
The hazard
On certain trucks, the Midland brake quick release air valve contains a valve diaphram that may balloon when the parking brakes are applied which may prevent the parking brakes from setting, this could allow an unattended vehicle to move with the potential for a vehicle crash or injury to persons in the vicinity.
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