SPRING SEAT CAN DEFORM, WHICH CAUSES A DECREASE IN THE CLAMPING FORCE IN THE SUSPENSION ASSEMBLY. LOSS OF CLAMPING FORCE MAY BRING ABOUT AXLE MISALIGNMENT OR AXLE HOUSING FAILURE.
Consequence & remedy
Consequence: Not supplied
Remedy: THE AXLE HOUSING WILL BE INSPECTED AND REPLACED, IF NECESSARY. THE SPRING SEATS WILL ALSO BE REPLACED.
THE PITMAN ARM RETAINING BOLT MAY NOT HAVE BEEN TIGHTENED TO THE REQUIRED SPECIFICATIONS DUE TO A DESIGN CHANGE. INADEQUATE RETENTION OF THE BOLT TO THE OUTPUT SHAFT COULD ALLOW THE PITMAN ARM TO LOOSEN.
Consequence & remedy
Consequence: Not supplied
Remedy: THE DEALER WILL INSPECT AND, IF NECESSARY, RETORQUE THE RETAINING BOLT TO PROPER SPECIFICATIONS AT NO CHARGE.
THE RIGHT HAND FRONT CANOPY CAB MOUNTING BRACKET INTERFERES WITH THE RIGHT HAND BRAKE CHAMBER ON THE STEERING AXLE WHEN IN A CERTAIN DEGREE TURN AND SEVERE BUMPING IS PRESENT.
Consequence & remedy
Consequence: Not supplied
Remedy: THE FRONT CANOPY CAB MOUNTING BRACKET WILL BE MODIFIED TO ALLOW FOR CLEARANCE OF THE RIGHT HAND FRONT BRAKE CHAMBER, WITHOUT CHARGE TO OWNER.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0
No exact-year investigations in this snapshot.
1981 Mack Mc Series Problems, Complaints & Recalls | Skip That Year