Mack Recall 89V178000: Service Brakes, Air, Controls, Foot Control/valve
NHTSA recall 89V178000 · announced October 23, 1989 · filed by Mack Trucks, Incorporated · 3,652 units affected
The problem
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.
The risk
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.
What to do
REPLACE MISASSEMBLED VALVES.
Official NHTSA recall notice →
Notes
SYSTEM: AIR BRAKE VALVES.VEHICLE DESCRIPTION: TRUCKS
Vehicles covered by this recall
Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.