1986 MACK RM Recalls (2)
- Campaign:
- 88V043000 on 04/05/1988
- Component:
- Steering:gear box (other than rack and pinion)
- Manufactured:
- 12/31/1984 - 12/31/1987
- Affected:
- 259
- Defect:
- The steering shaft spline engagement is only .52, the recommended engagement is 2 inches.
- Consequence:
- Under impacts such as road potholes, it could result inshaft disengagement. the driver would immediately lose steering controlwithout warning and vehicle crash could occur.
- Correction:
- Replace shafts that measure under the minimum engagement dimensions with a longer shaft.
- Notes:
- System: steeringvehicle description: trucks
- Campaign:
- 90V034000 on 02/28/1990
- Component:
- Steering:linkages
- Manufactured:
- 11/30/1980 - 06/30/1988
- Affected:
- 1,862
- Defect:
- Crack may develop on steering arm that could progress and reduce the fatigue life of the steering arm.
- Consequence:
- Steering arm could fail without warning resulting in loss of steering control and possibly a crash.
- Correction:
- Install a redesigned steering arm.
- Notes:
- System: steering arm.vehicle description: heavy-duty trucks.
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