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NHTSA Campaign 90V052000

STEERING:GEAR BOX:SHAFT SECTOR

Issued by MACK TRUCKS, INCORPORATED · Reported Mar 16, 1990 · 267 vehicles affected

What's wrong

INTERFERENCE BETWEEN STEERING GEAR SECTOR SHAFT AND THE FRAME RAIL THROUGH HOLE CAN CAUSE SECTOR SHAFT WEAR AND CAN WEAKEN SHAFT CAUSE IT TO BREAK.

Consequence

SHAFT FAILURE DURING VEHICLE OPERATION WOULD CAUSE LOSS OF STEERING CONTROL AND A CRASH WITHOUT PRIOR WARNING.

Remedy

ENLARGE FRAME RAIL THROUGH HOLE TO PREVENT INTERFERENCE: REPLACE STEERING GEAR SECTOR SHAFT IF SCORED.

Vehicles affected by this recall

Make Model Year Units
MACK R 1989 267
MACK RB 1989 267
MACK RD 1989 267

Source: NHTSA Campaign 90V052000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.