1986 TRANSPORTATION MC9 Recalls (2)

Campaign:
86V097000 on 07/28/1986
Component:
Steering:gear box (other than rack and pinion)
Manufactured:
05/31/1984 - 05/31/1986
Affected:
79
Defect:
The pinch bolt used to clamp the steering drive shaft yoke to the steering gear box shaft may have insufficient torque. consequence of defect: if the pinch bolt has insufficient torque, the bolt will wear to the extent that loss of interface with the groove in the steering box would occur, allowing the steering drive shaft to slip off and result in loss of steering and a potential crash.
Correction:
Install new pinch bolts, as necessary, and retorque to 40-45 lb./ft.
Notes:
System: steering/pinch bolt.vehicle description: intercity coaches.

Campaign:
87V065000 on 05/18/1987
Component:
Steering:linkages
Manufactured:
07/31/1980 - 03/31/1987
Affected:
2,834
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: steeringvehicle description: metro transit coaches.

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