Chevrolet School Bus: Brakes

Affects Chevrolet School Bus · 1986–1990 — about 1K vehicles.

The hazard

NOTE: MODEL B6P042 BUSES. ON VEHICLES EQUIPPED WITH HYDRAULIC BRAKES AND ALLISON AT545 AUTOMATIC TRANSMISSION, THE TRANSMISSION MOUNTED PARKING BRAKE DRUM ATTACHMENT BOLTS MAY LOOSEN. THIS COULD POSSIBLY RESULT IN A DRIVELINE LOCKUP CONDITION WHEN THE VEHICLE IS STOPPED OR ALMOST STOPPED. CORRECTION: PARKING BRAKE DRUM BOLTS WILL BE REMOVED, A RETAINING COMPOUND WILL BE APPLIED TO NEW BOLTS AND THE NEW BOLTS WILL BE INSTALLED AND TORQUED TO SPECIFICATION.

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