NHTSA Campaign 88V102000

STEERING:GEAR BOX (OTHER THAN RACK AND PINION)

Issued by MACK TRUCKS, INCORPORATED · Reported Jun 27, 1988 · 140 vehicles affected

What's wrong

COMPRESSION OF FRONT SPRINGS COULD INTERFERE WITH THE 90 DEGREE CROSSOVER FITTINGS ON THE BOTTOM OF THE GEARS.

Consequence

IF ONE OF THE FITTINGS BREAK, THE HYDRAULIC FLUID ISLOST, RESULTING IN LOSS OF POWER STEERING AND POSSIBLY A CRASH.

Remedy

REPLACE CENTER PORT STEERING GEAR CYLINDER HEADS WITH NEW SIDE PORT CYLINDER HEADS. ALSO, INSTALL THICKER BUMPER STOPS TO ELIMINATE SPRING TO GEAR CONTACT.

Vehicles affected by this recall

Make Model Year Units
MACK RD SERIES 1988 140

Source: NHTSA Campaign 88V102000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.