1976 GMC C60 Recalls (2)

Campaign:

78V148000 on 10/11/1979

Component:

Service brakes, air:antilock:control unit/module

Manufactured:

02/28/1975 - 04/30/1976

Affected:

1,343

Defect:

Some anti-lock controllers contain electronic components which were not made to specifications. in the event these controllers develop a failure of another internal electric component, the combination of defects may cause the anti-lock valve solenoid (a coiled current conducting wire) to be continuously energized, preventing application of the brakes on the axle involved. however, the anti-lock braking system performance on the remainder of the vehicle is not affected and the driver warning light is not actuated.

Correction:

The dealer will inspect and, if necessary, install new controllers without charge to owner.

Notes:

Vehicle description: heavy trucks equipped with air brakes.system: service brakes; anti-lock.consequences of defect: vehicle stopping distances wll be increased and avehicle accident could occur without prior warning.

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Campaign:

76V064000 on 10/11/1979

Component:

Steering:gear box (other than rack and pinion)

Affected:

479

Notes:

Chevrolet truck campaign no 76c14.gmc campaign no 76-c-08.medium dutytrucks.possibility that the torque nuts used to attach steering gears andpower steering cylinder anchor brackets to the chassis frames, contain metalflaws.if this condition exists it could result in loss of steering control orloss of braking performance in certain situations.(correct by inspecting andreplacing all nuts used for attaching steering gears and power steeringcylinders)

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