Recall
Mack Mh — 84V035000
NHTSA ID
84V035000
Make
Mack
Model
Mh
Years Affected
1983
Recall Date
1984-03-23
Component
SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE
Units Affected
850
Completion Rate
—
Mfr Campaign No.
Summary
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.
Remedy
THE CARBON STEEL SPRING WILL BE REPLACED WITH A STAINLESS STEEL ONE.