Recall
Thayco Thayco — 86V072000
NHTSA ID
86V072000
Make
Thayco
Model
Thayco
Years Affected
1985
Recall Date
1986-05-28
Component
SERVICE BRAKES, AIR:DRUM
Units Affected
180
Completion Rate
—
Mfr Campaign No.
Summary
A RESONANT VIBRATION CAN BE INITIATED UNDER CERTAIN OPERATING CONDITIONS, CAUSING A DETERIORATION OF THE BRAKE CHAMBER WHICH RESULTS IN REVERSE BRAKE CAM ROTATION CREATING GRABBY BRAKES, BRAKE CHATTER, OR SPRING BRAKE DAMAGE. CONSEQUENCE OF DEFECT: IF THIS OCCURS, COMPLETE BRAKE FAILURE COULD BE EXPERIENCED, AND COULD LEAD TO AN ACCIDENT.
Remedy
REMOVE SPRING SEATS, REVERSE THE AXLE, REWELD AND ASSEMBLE SUSPENSION.