Steering: gear box (other than rack and pinion)Recall 88V-102 · 1988 Mack RD Series
MACK TRUCKS, INCORPORATED recall 88V-102 covers 140 1988 Mack RD Series for a steering: gear box (other than rack and pinion) problem, reported to NHTSA on June 27, 1988.
Source: NHTSA recall 88V102000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
COMPRESSION OF FRONT SPRINGS COULD INTERFERE WITH THE 90 DEGREE CROSSOVER FITTINGS ON THE BOTTOM OF THE GEARS.
The risk
IF ONE OF THE FITTINGS BREAK, THE HYDRAULIC FLUID ISLOST, RESULTING IN LOSS OF POWER STEERING AND POSSIBLY A CRASH.
The fix
REPLACE CENTER PORT STEERING GEAR CYLINDER HEADS WITH NEW SIDE PORT CYLINDER HEADS. ALSO, INSTALL THICKER BUMPER STOPS TO ELIMINATE SPRING TO GEAR CONTACT.
SYSTEM: STEERING GEAR.VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH SHEPPARD DUAL STEERINGGEARS AND 34.5 INCH SPRING CENTERS.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
Vehicles in this recall
Built from September 1, 1987 to May 1, 1988. Not every vehicle in these model years is included; check by VIN.