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NHTSA Campaign 90V048000

STEERING:LINKAGES

Issued by MACK TRUCKS, INCORPORATED · Reported Mar 12, 1990 · 6,696 vehicles affected

What's wrong

THE UPPER AND LOWER PINCH BOLT ON THE STEERING PITMAN ARM AND THE LOWER PINCH BOLT CONNECTION ON SHEPHARD POWER GEARS WERE NOT TORQUED CORRECTLY.

Consequence

PINCH BOLT COULD LOOSEN AND BREAK; THIS COULD CAUSE LOSS OF TRUCK STEERING CONTROL AND RESULT IN A CRASH.

Remedy

INSTALL ENGLISH HEX HEAD BOLTS AND FLAT WASHERS; TORQUE PINCH BOLTS TO SPECIFICATIONS.

Vehicles affected by this recall

Make Model Year Units
MACK CH 1988 6,696
MACK CH 1989 6,696
MACK CH 1990 6,696

Source: NHTSA Campaign 90V048000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.