MACK TRUCKS, INCORPORATED filed this campaign with NHTSA on 1984-03-23.
Recall campaignNHTSA 84V035000
Service brakes, air: supply: check valve
Component
Service brakes, air: supply: check valve
Manufacturer
MACK TRUCKS, INCORPORATED
Vehicles affected
850
Reported to NHTSA
1984-03-23
Defect description
A MANUFACTURING ERROR RESULTED IN THE INSTALLATION OF CARBON STEEL SPRINGS IN SOME DUAL-COMPARTMENT AIR RESERVOIR CHECK VALVES. CARBON STEEL SPRINGS ARE INADEQUATE FOR THIS APPLICATION BECAUSE THEY ARE SUBJECT TO SEVERE CORROSION AND SUBSEQUENT FAILURE OF THE CHECK VALVE.
Manufacturer remedy
THE CARBON STEEL SPRING WILL BE REPLACED WITH A STAINLESS STEEL ONE.
Notes
VEHICLE DESCRIPTION: HEAVY TRUCKS.SYSTEM: SERVICE BRAKES; DUAL COMPARTMENT AIR RESERVOIR CHECK VALVE.CONSEQUENCES OF DEFECT: IF THIS CHECK VALVE FAILURE WERE COMBINED WITH ASEVERED LINE IN THE PRIMARY AIR SYSTEM, COMPLETE LOSS OF BRAKES AND POSSIBLEVEHICLE CRASH COULD OCCUR.
Safety recall repairs are provided free of charge by franchised dealers, regardless of vehicle age or mileage. This page displays aggregated data for the model year. To check recall status for a specific vehicle, search its VIN at nhtsa.gov.