1982 MACK MH Recall - Campaign #84V035000

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1982 MACK MH RECALL - #84V035000

RECALL FOR SERVICE BRAKES, AIR : SUPPLY : CHECK VALVE

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.

Information provided by the National Highway Traffic Safety Administration.

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Vehicle 1982 MACK MH Manufacturer MACK TRUCKS, INCORPORATED Manufactured between 4/1/1982 - 11/1/1983 Recalled on 4/11/1984 Influenced by MACK TRUCKS, INCORPORATED Owners Notified on 1/1/1900 # Affected 850 Recalled for SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE 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. Consequences Corrective action 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. See also 1982 MACK MH Recall for STEERING, STEERING WHEEL/HANDLE BAR 1982 MACK MH Recall for TRAILER HITCHES, FIFTH WHEEL ASSEMBLY 1982 MACK MH Recall for STRUCTURE, BODY, BUMPERS 1982 MACK MH Recall for SERVICE BRAKES, AIR 1982 MACK MH Recall for STRUCTURE 1982 MACK MH Recall for SEAT BELTS