1987 GMC TC4 Recall
- Campaign:
- 87V112000 on 07/21/1987
- Component:
- Service brakes, air:controls
- Manufactured:
- 10/31/1985 - 03/31/1987
- Affected:
- 166
- Defect:
- 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.
- Correction:
- New improved brake interlock shuttle assembly will be installed.
- Notes:
- System: brakes/interlock shuttle valve assembly.vehicle description: diesel transit buses.
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