Recall 91V-032: 1986–1990 Chevrolet B6, 1986–1990 GMC B6

GENERAL MOTORS CORP. recall for parking brake, reported to NHTSA on Feb 19, 1991, covering about 14,044 vehicles.

NHTSA number
91V-032
Report date
Feb 19, 1991
Vehicles affected
14,044
Owners notified
Mar 27, 1991

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.

The fix

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).

Recall details

ManufacturerGENERAL MOTORS CORP.
ComponentParking Brake › Driveline
Recall started byNHTSA (Office of Defects Investigation)
NHTSA campaign number91V032000

Vehicles in this recall

VehicleModel years
Chevrolet B61986, 1987, 1988, 1989, 1990All years
GMC B61986, 1987, 1988, 1989, 1990All years

Not every vehicle of these model years is included. Enter your VIN at nhtsa.gov/recalls ↗ or ask a dealer.

Frequently asked questions

What is recall 91V-032?

The parking brake drum attachment bolts may loosen and cause a driveline lockup condition when the bus is stopped or almost stopped.

How is recall 91V-032 fixed?

Remove all of the parking brake drum bolts, apply a retaining compound to new bolts, and torque the new bolts to specification.

Is the recall repair free?

Yes. Safety recall repairs are free at authorized dealers. Check whether your vehicle is included with its VIN at nhtsa.gov/recalls.