Emergency parking brake:air:brake chamber
Defect Summary
The rear brake release time may be greater than the time specified in fmvss 121, "air brake system". In addition, some tractors may have warped parking brake apply springs which also effect the rear brake release time. consequence of defect: tractors fail to meet the stopping distance specified in fmvss 121 which is required to stop the truck safely.
Corrective Action
Install a quick release valve in the trailer service air line and increase the diameter of the rear service brake line. Also inspect rear spring brake chamber and release if necessary.
Similar Recalls
Other recalls from General Motors, Llc or involving Parking Brake.
FAQ: Recall 85V124000
Your rights, the repair process, and what each field on this page means.
What is recall 85V124000?
NHTSA recall 85V124000 was issued by General Motors, Llc on October 7, 1985. It addresses: Emergency parking brake:air:brake chamber. The recall affects approximately 4,870 vehicles, with the defect involving the Parking Brake component.
How do I get this recall repaired?
Contact any authorized General Motors, Llc dealer and reference NHTSA recall ID 85V124000 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.