Mack 1989 Service Brakes, Air recall
Recalled October 23, 1989 · NHTSA recall 89V178000 · Mack
Hazard
THE SNAP RING CAN COME OUT CAUSING THE VALVE TOMALFUNCTION AND APPLY THE TRUCK'S BRAKE SYSTEM WITHOUT WARNING; THIS COULDRESULT IN LOSS OF CONTROL AND A CRASH.
Remedy
REPLACE MISASSEMBLED VALVES.
Units
3,652 units
Description
INTERNAL COMPONENTS OF THE E-12 DUAL CIRCUIT AIR BRAKE VALVES MAY BE MISASSEMBLED SO THAT ONE OF THE TAPERED SNAP RINGS IS UPSIDE DOWN.
What to do
REPLACE MISASSEMBLED VALVES.
Product
Mack CH
Manufacturer(s)
Mack Trucks, Inc.
Source: U.S. National Highway Traffic Safety Administration. Official recall notice on nhtsa.gov →