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.
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
| Manufacturer | GENERAL MOTORS CORP. |
|---|---|
| Component | Parking Brake › Driveline |
| Recall started by | NHTSA (Office of Defects Investigation) |
| NHTSA campaign number | 91V032000 |
Vehicles in this recall
| Vehicle | Model years | |
|---|---|---|
| Chevrolet B6 | 1986, 1987, 1988, 1989, 1990 | All years |
| GMC B6 | 1986, 1987, 1988, 1989, 1990 | All 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.