NHTSA recall 79V137000
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Mack Rwl and 3 more
Reported Jun 1, 19796,673 vehicles affectedMACK TRUCKS, INCORPORATEDBuilt May 1, 1977 – Apr 1, 1979
The defect
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.
The remedy
Dealer will inspect and retorque pitman arm, if necessary, at no cost to owner.