NHTSA Campaign 87V112000

SERVICE BRAKES, AIR:CONTROLS, PEDALS AND LINKAGES

Issued by GENERAL MOTORS CORP. · Reported Jul 20, 1987 · 166 vehicles affected

What's wrong

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.

Vehicles affected by this recall

Make Model Year Units
GMC T8H 1986 166
GMC TC4 1987 166

Source: NHTSA Campaign 87V112000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.