NHTSA Campaign 80V054000

STEERING:GEAR BOX (OTHER THAN RACK AND PINION)

Issued by MACK TRUCKS, INCORPORATED · Reported May 6, 1980 · 109 vehicles affected

What's wrong

THE PREFABRICATED PINCH BOLT CLAMP AT THE LOWER STEERING SHAFT LOWER YOKE MAY NOT PERFORM ADEQUATELY WHEN TIGHTENED TO SPECIFICATIONS. THE CLAMP MAY THEN DEFORM AND LOSS OF CLAMPING FORCE AND STEERING SHAFT DISENGAGEMENT MAY RESULT.

Remedy

DEALER WILL RETROFIT WITH LOWER STEERING SHAFT LOWER YOKES THAT PROVIDE FOR INTEGRAL PINCH BOLT INSTALLATION IN PLACE OF PREVIOUS SEPARATELY FABRICATED CLAMP FOR THE PINCH BOLT.

Vehicles affected by this recall

Make Model Year Units
MACK R SERIES 1976 109
MACK R SERIES 1977 109
MACK R SERIES 1978 109
MACK R SERIES 1979 109
MACK R SERIES 1980 109
MACK U SERIES 1976 109
MACK U SERIES 1977 109
MACK U SERIES 1978 109
MACK U SERIES 1979 109
MACK U SERIES 1980 109

Source: NHTSA Campaign 80V054000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.