Brakes:hydraulic:master cylinder:other
Defect Summary
A gasket was mistakenly placed between the brake master cylinder and the power boost which prevented the two parts from fitting together properly. Damage may have resulted to the mounting ears of the master cylinder and the hydro-boost. This condition could lead to brake failure.
Corrective Action
The dealer will install a new brake master cylinder and hydro-boost unit, free of charge, on all affected vehicles.
Similar Recalls
Other recalls from General Motors, Llc or involving Service Brakes, Hydraulic.
FAQ: Recall 78V247000
Your rights, the repair process, and what each field on this page means.
What is recall 78V247000?
NHTSA recall 78V247000 was issued by General Motors, Llc on November 13, 1978. It addresses: Brakes:hydraulic:master cylinder:other. The recall affects approximately 67 vehicles, with the defect involving the Service Brakes, Hydraulic component.
How do I get this recall repaired?
Contact any authorized General Motors, Llc dealer and reference NHTSA recall ID 78V247000 or the manufacturer campaign number NR (Not Reported). Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.