Chevrolet and Gmc Recall 91V032000: Parking Brake, Driveline

NHTSA recall 91V032000 · announced February 19, 1991 · filed by General Motors Corp. · 14,044 units affected

The problem

THE PARKING BRAKE DRUM ATTACHMENT BOLTS MAY LOOSEN AND CAUSE A DRIVELINE LOCKUP CONDITION WHEN THE BUS IS STOPPED OR ALMOST STOPPED.

The risk

DRIVELINE LOCK-UP COULD CAUSE LOSS OF VEHICLE CONTROLWITHOUT PRIOR NOTICE, AND RESULT IN A VEHICLE CRASH.

What to do

REMOVE ALL OF THE PARKING BRAKE DRUM BOLTS, APPLY A RETAINING COMPOUND TO NEW BOLTS, AND TORQUE THE NEW BOLTS TO SPECIFICATION.

Official NHTSA recall notice →

Notes

SYSTEM: TRANSMISSION MOUNTED PARKING BRAKES DRUM.VEHICLE DESCRIPTION: SCHOOL BUSES EQUIPPED WITH HYDRAULIC BRAKES (JE3) ANDALLISON AT545 AUTOMATIC TRANSMISSIONS (MF1).

Vehicles covered by this recall

• 1986 Chevrolet B6
• 1987 Chevrolet B6
• 1988 Chevrolet B6
• 1989 Chevrolet B6
• 1990 Chevrolet B6
• 1986 Gmc B6
• 1987 Gmc B6
• 1988 Gmc B6
• 1989 Gmc B6
• 1990 Gmc B6

Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.