Recall
Mack Ws — 77V013000
NHTSA ID
77V013000
Make
Mack
Model
Ws
Years Affected
1976
Recall Date
1977-01-01
Component
SERVICE BRAKES, AIR:DRUM
Units Affected
830
Completion Rate
—
Mfr Campaign No.
Summary
CRACKS MAY BE PRESENT IN THE BRAKE SPIDER. THESE CRACKS COULD EVENTUALLY CAUSE THE BRAKE SPIDER TO FAIL. THIS COULD ALLOW SEPARATION OF THAT PORTION OF THE BRAKE SPIDER THAT RETAINS THE BRAKE CAMSHAFT, THE BRAKE CHAMBER, AND THE BRAKE CHAMBER BRACKET FROM THE FOUNDATION BRAKE ASSEMBLY. BRAKE PULL IN THE DIRECTION OPPOSITE THE AFFECTED WHEEL LOCATION OR WHEEL LOCK-UP ON THE AFFECTED WHEEL COULD OCCUR.
Remedy
THE DEALER WILL INSPECT AND MODIFY THE AFFECTED BRAKE SPIDERS, FREE OF CHARGE.