Western Star · United States · High
Western Star 4900: Service brakes — and fittings
Affects Western Star 4900 · 2011–2012 — about 94 vehicles.
The hazard
A HOLE IN THE DELIVERY AIR LINE MAY DEVELOP, EVENTUALLY LEADING TO REDUCED BRAKING CAPACITY TO THE FRONT OR REAR BRAKES, INCREASING THE RISK OF A CRASH.
What to do
DEALERS WILL INSPECT THE AIR LINES AND REROUTE IF NECESSARY TO PROVIDE ADDITIONAL CLEARANCE TO THE ENGINE AIR INTAKE. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON DECEMBER 21, 2011. OWNERS MAY CONTACT DTNA AT 1-800-547-0712.
Critical — crash/injury risk now
High — injury risk; see remedy
Moderate — fix at next service
Low — minor / informational