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CA1979094

Mack RWL

Mack RWL

Published
1979-05-29
Model years
1977–1979

TRUCKS EQUIPPED WITH MANUAL STEERING. SUBJECT VEHICLES MAY HAVE BEEN BUILT WITH PITMAN ARM RETAINING NUTS THAT WERE NOT TORQUED TO SPECIFICATION. THIS CONDITION COULD RESULT IN INADEQUATE RETENTION OF THE NUT TO THE OUTPUT SHAFT ALLOWING THE PITMAN ARM TO COME LOOSE. IF THIS CONDITION IS NOT CORRECTED, THE SPLINED GROOVES ON THE OUTPUT SHAFT COULD WEAR SMOOTH CAUSING A LOSS OF STEERING CONTROL.

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Mack RWS

Published
1979-05-29
Model years
1977–1979

TRUCKS EQUIPPED WITH MANUAL STEERING. SUBJECT VEHICLES MAY HAVE BEEN BUILT WITH PITMAN ARM RETAINING NUTS THAT WERE NOT TORQUED TO SPECIFICATION. THIS CONDITION COULD RESULT IN INADEQUATE RETENTION OF THE NUT TO THE OUTPUT SHAFT ALLOWING THE PITMAN ARM TO COME LOOSE. IF THIS CONDITION IS NOT CORRECTED, THE SPLINED GROOVES ON THE OUTPUT SHAFT COULD WEAR SMOOTH CAUSING A LOSS OF STEERING CONTROL.

View the official source notice →

Mack WL

Published
1979-05-29
Model years
1977–1979

TRUCKS EQUIPPED WITH MANUAL STEERING. SUBJECT VEHICLES MAY HAVE BEEN BUILT WITH PITMAN ARM RETAINING NUTS THAT WERE NOT TORQUED TO SPECIFICATION. THIS CONDITION COULD RESULT IN INADEQUATE RETENTION OF THE NUT TO THE OUTPUT SHAFT ALLOWING THE PITMAN ARM TO COME LOOSE. IF THIS CONDITION IS NOT CORRECTED, THE SPLINED GROOVES ON THE OUTPUT SHAFT COULD WEAR SMOOTH CAUSING A LOSS OF STEERING CONTROL.

View the official source notice →

Mack WS

Published
1979-05-29
Model years
1977–1979

TRUCKS EQUIPPED WITH MANUAL STEERING. SUBJECT VEHICLES MAY HAVE BEEN BUILT WITH PITMAN ARM RETAINING NUTS THAT WERE NOT TORQUED TO SPECIFICATION. THIS CONDITION COULD RESULT IN INADEQUATE RETENTION OF THE NUT TO THE OUTPUT SHAFT ALLOWING THE PITMAN ARM TO COME LOOSE. IF THIS CONDITION IS NOT CORRECTED, THE SPLINED GROOVES ON THE OUTPUT SHAFT COULD WEAR SMOOTH CAUSING A LOSS OF STEERING CONTROL.

View the official source notice →