Mack Recall 79V137000: Steering, Linkages

NHTSA recall 79V137000 · announced June 1, 1979 · filed by Mack Trucks, Incorporated · 6,673 units affected

The problem

THE PITMAN ARM RETAINING NUT MAY NOT HAVE BEEN TORQUED TO MANUFACTURER SPECIFICATIONS. THIS COULD RESULT IN INADEQUATE RETENTION OF THE NUT AT THE OUTPUT SHAFT, ALLOWING THE PITMAN ARM TO BECOME LOOSE.

What to do

DEALER WILL INSPECT AND RETORQUE PITMAN ARM, IF NECESSARY, AT NO COST TO OWNER.

Official NHTSA recall notice →

Notes

VEHICLE DESCRIPTION: TRUCKS.SYSTEM: STEERING LINKAGES; ARM, PITMAN.CONSEQUENCES OF DEFECT: THIS CONDITION COULD LEAD TO PREMATURE WEARING OF THEOUTPUT SHAFT CAUSING LOSS OF VEHICLE CONTROL AND AN ACCIDENT.

Vehicles covered by this recall

• 1977 Mack Rwl
• 1978 Mack Rwl
• 1979 Mack Rwl
• 1977 Mack Rws
• 1978 Mack Rws
• 1979 Mack Rws
• 1977 Mack Wl
• 1978 Mack Wl
• 1979 Mack Wl
• 1977 Mack Ws
• 1978 Mack Ws
• 1979 Mack Ws

Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.