GMC TC4 1987: SERVICE BRAKES, AIR:CONTROLS
NHTSA Campaign ID Number: 87V112000
| Make | Model | Year |
|---|---|---|
| GMC | TC4 | 1987 |
| Date Owners Notified | Date Received by ODI | Date Added to Database |
| 1987-07-10 | 1987-07-20 | 1987-07-22 |
Production Dates: 1985-11-01 - 1987-04-01
Manufacturers Involved: General Motors, LLC
Component: SERVICE BRAKES, AIR:CONTROLS
Potential Number Of Units Affected: 166
Report Initiator: MFR MFR Report
THE BRAKE INTERLOCK SHUTTLE VALVE ASSEMBLY COULD UNDER A HEAVY SERVICE BRAKE APPLICATION FRACTURE OR FRAGMENT THE INTERNAL SHUTTLE PISTON.
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.
NEW IMPROVED BRAKE INTERLOCK SHUTTLE ASSEMBLY WILL BE INSTALLED.
SYSTEM: BRAKES/INTERLOCK SHUTTLE VALVE ASSEMBLY.VEHICLE DESCRIPTION: DIESEL TRANSIT BUSES.
