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GMC B6 Recall 91V032: Parking Brake:Driveline

NHTSA campaign 91V032, reported February 19, 1991, 14,044 vehicles potentially affected.

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The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 91V032GENERAL MOTORS CORP.
Component
PARKING BRAKE:DRIVELINE
Problem
THE PARKING BRAKE DRUM ATTACHMENT BOLTS MAY LOOSEN AND CAUSE A DRIVELINE LOCKUP CONDITION WHEN THE BUS IS STOPPED OR ALMOST STOPPED.
Risk
DRIVELINE LOCK-UP COULD CAUSE LOSS OF VEHICLE CONTROLWITHOUT PRIOR NOTICE, AND RESULT IN A VEHICLE CRASH.
Remedy
REMOVE ALL OF THE PARKING BRAKE DRUM BOLTS, APPLY A RETAINING COMPOUND TO NEW BOLTS, AND TORQUE THE NEW BOLTS TO SPECIFICATION.
Notes
SYSTEM: TRANSMISSION MOUNTED PARKING BRAKES DRUM.VEHICLE DESCRIPTION: SCHOOL BUSES EQUIPPED WITH HYDRAULIC BRAKES (JE3) ANDALLISON AT545 AUTOMATIC TRANSMISSIONS (MF1).

Affected vehicles

Chevrolet B619861987198819891990
GMC B619861987198819891990