NHTSA Campaign 88V043000

STEERING:GEAR BOX (OTHER THAN RACK AND PINION)

Issued by MACK TRUCKS, INCORPORATED · Reported Mar 28, 1988 · 259 vehicles affected

What's wrong

THE STEERING SHAFT SPLINE ENGAGEMENT IS ONLY .52, THE RECOMMENDED ENGAGEMENT IS 2 INCHES.

Consequence

UNDER IMPACTS SUCH AS ROAD POTHOLES, IT COULD RESULT INSHAFT DISENGAGEMENT. THE DRIVER WOULD IMMEDIATELY LOSE STEERING CONTROLWITHOUT WARNING AND VEHICLE CRASH COULD OCCUR.

Remedy

REPLACE SHAFTS THAT MEASURE UNDER THE MINIMUM ENGAGEMENT DIMENSIONS WITH A LONGER SHAFT.

Vehicles affected by this recall

Make Model Year Units
MACK RM 1986 259
MACK RM 1987 259
MACK RM 1988 259

Source: NHTSA Campaign 88V043000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.