MACK RD SERIES 1988: STEERING:GEAR BOX (OTHER THAN RACK AND PINION)
NHTSA Campaign ID Number: 88V102000
| Make | Model | Year |
|---|---|---|
| MACK | RD SERIES | 1988 |
| Date Owners Notified | Date Received by ODI | Date Added to Database |
| 1988-06-22 | 1988-06-27 | 1988-07-01 |
Production Dates: 1987-09-01 - 1988-05-01
Manufacturers Involved: Mack Trucks, Inc.
Component: STEERING:GEAR BOX (OTHER THAN RACK AND PINION)
Potential Number Of Units Affected: 140
Report Initiator: MFR MFR Report
COMPRESSION OF FRONT SPRINGS COULD INTERFERE WITH THE 90 DEGREE CROSSOVER FITTINGS ON THE BOTTOM OF THE GEARS.
IF ONE OF THE FITTINGS BREAK, THE HYDRAULIC FLUID ISLOST, RESULTING IN LOSS OF POWER STEERING AND POSSIBLY A CRASH.
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.
