1988 GMC GENERAL Recall
- Campaign:
- 89V121000 on 08/01/1989
- Component:
- Service brakes, air:controls
- Manufactured:
- 08/31/1987 - 11/30/1987
- Affected:
- 7
- Defect:
- The rear axle relay valves (one per axle) may not meet brake release timing requirements of fmvss 121.
- Consequence:
- The rear axle brakes may not release in the timesspecified by fmvss 121.
- Correction:
- Replace the noncomplying relay valves.
- Notes:
- System:rear axle air brake relay valves/fmvss 121.vehicle description:heavy duty trucks.