1987 MOTOR COACH MC9 Recalls (2)
- Campaign:
- 87V074000 on 06/08/1987
- Component:
- Steering:linkages
- Manufactured:
- 07/31/1980 - 03/31/1987
- Affected:
- 5,043
- Defect:
- There may not be proper engagement between the male taper of the ball stud and the female taper of the pitman arm.
- Consequence:
- Steering drag link could loosen and disengage from thesteering gear pitman arm, and result in a total loss of steering control.
- Correction:
- Repair to ensure that coaches have a good, tight pitman arm/drag link joint.
- Notes:
- System: steering.vehicle description: intercity coaches.
- Campaign:
- 89V132000 on 08/11/1989
- Component:
- Suspension
- Manufactured:
- 04/30/1987 - 06/30/1989
- Affected:
- 448
- Defect:
- Due to high loads on the upper rear radius rod, which is used to locate the crive axle and limit vehicle roll during turning manuevers, the upper rear radius rod may fail.
- Consequence:
- This could result in inadequate location of the axlewith possible interference between moving parts, which could cause stabilityproblems and a potential for an accident.
- Correction:
- Replace suspect radius rods with rods of a more heavy-duty design.
- Notes:
- System:suspension.vehicle description:transit coaches.
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