Emergency parking brake:air:lines and fittings
Defect Summary
The quick release valve support bracket mounted on the axle may crack. This causes fatigue failure of the steel air lines leading to the rear parking brakes and chassis service brakes resulting in sudden loss of air pressure. consequence of defect: this sudden loss of air to the brake chambers will result in automatic actuation of rear parking brake causing sudden rear wheel lockup which may contribute to an accident.
Corrective Action
Install a redesigned valve support bracket.
Similar Recalls
Other recalls from Mack Trucks, Inc. or involving Parking Brake.
FAQ: Recall 85V159000
Your rights, the repair process, and what each field on this page means.
What is recall 85V159000?
NHTSA recall 85V159000 was issued by Mack Trucks, Inc. on November 26, 1985. It addresses: Emergency parking brake:air:lines and fittings. The recall affects approximately 3,308 vehicles, with the defect involving the Parking Brake component.
How do I get this recall repaired?
Contact any authorized Mack Trucks, Inc. dealer and reference NHTSA recall ID 85V159000 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.