Recall 77V-111: 1976–1977 Chevrolet G30, 1976–1977 Chevrolet P30 and 1 more

GENERAL MOTORS CORP. recall for service brakes, hydraulic, reported to NHTSA on Jul 15, 1977, covering about 12,963 vehicles.

NHTSA number
77V-111
Report date
Jul 15, 1977
Vehicles affected
12,963
Owners notified
Jul 24, 1977

The problem

On the involved vehicles, the brake master cylinder may have been assembled with reservoir mounting bolts that were improperly processed. This could make these bolts brittle and subject to breaking. If breakage occurs, a brake fluid leak may develop between the reservoir and master cylinder. Loss of brake fluid would adversely affect vehicle braking capability.

The fix

Dealer will replace the master cylinder reservoir mounting bolts with an improved type, without charge to owner.

Notes

Vehicle description: vans and motorhomes equipped with hydro-boost assistsystems.system: service brakes; hydraulic master cylinder.consequences of defect: partial loss of braking capability could occur,resulting in loss of vehicle control and an accident.

Recall details

ManufacturerGENERAL MOTORS CORP.
ComponentService Brakes, Hydraulic › Foundation Components › Master Cylinder
Recall started bythe manufacturer
NHTSA campaign number77V111000

Vehicles in this recall

VehicleModel years
Chevrolet G301976, 1977All years
Chevrolet P301976, 1977All years
GMC G301976, 1977All 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 77V-111?

On the involved vehicles, the brake master cylinder may have been assembled with reservoir mounting bolts that were improperly processed. This could make these bolts brittle and subject to breaking. If breakage occurs, a brake fluid leak may develop between the reservoir and master cylinder. Loss of brake fluid would adversely affect vehicle braking capability.

How is recall 77V-111 fixed?

Dealer will replace the master cylinder reservoir mounting bolts with an improved type, without charge to owner.

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.