Recall
GMC Tc4 — 87V112000
NHTSA ID
87V112000
Make
GMC
Model
Tc4
Years Affected
1987
Recall Date
1987-07-20
Component
SERVICE BRAKES, AIR:CONTROLS, PEDALS AND LINKAGES
Units Affected
166
Completion Rate
—
Mfr Campaign No.
Summary
THE BRAKE INTERLOCK SHUTTLE VALVE ASSEMBLY COULD UNDER A HEAVY SERVICE BRAKE APPLICATION FRACTURE OR FRAGMENT THE INTERNAL SHUTTLE PISTON.
Consequence
THE FRACTURE OR FRAGMENTION OF THE INTERLOCK SHUTTLEVALVE PISTON COULD RESULT IN PARTIAL OR COMPLETE LOSS OF REAR BRAKING. AREDUCTION IN BRAKING ABILITY COULD RESULT IN A VEHICLE CRASH WITHOUT PRIORWARNING.
Remedy
NEW IMPROVED BRAKE INTERLOCK SHUTTLE ASSEMBLY WILL BE INSTALLED.