Skip to content
AnyRecalls

Vehicle recall 77V111000 · July 15, 1977

Chevrolet G30, GMC G30 and 1 more model

On the involved vehicles, the brake master cylinder may have been assembled with reservoir mounting bolts that were improperly processed.

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

Summary
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.
Remedy
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

NHTSA campaign
77V111000
Reported to NHTSA
July 15, 1977
Filed by
GENERAL MOTORS CORP.
Owner notification
July 24, 1977
Vehicles potentially affected
12,963
Initiated by
the manufacturer
Components
Service brakes, hydraulic › Foundation components › Master cylinder
Recall 77V111000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

Has your Chevrolet been repaired?

Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.

NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Chevrolet dealer can also check your VIN. Recall repairs are free.