NHTSA Recall 85V113000
NHTSA Campaign Id 85V113000; Date: Sep. 17, 1985
Recalled Vehicles:
1982 Mack MH; 1983 Mack MH; 1984 Mack MH; 1985 Mack MH
Component: Air Brake
Manufactured by: Mack Trucks, Incorporated
Affected Units:: 5,020
Recall Summary:
The dual double check valve may not release the proper air volume to the brake system, causing a slight timing delay between the tractor and the trailer brake system. Consequences of defect: if the brakes are suddenly applied, the trailer could jackknife without warning to the operator, which could result in a vehicle crash.
How to Fix:
Install two new sleeves in the dual double check valve which will increase air flow.
Recall Notes:
Vehicle description: heavy duty tractor trailer combinations. System: brakes, tractor to trailer.
Date Owners notified by Manufacturer: Feb 7, 1986
Also see: