STEERING:HYDRAULIC POWER ASSIST:PUMP
Jul 26, 1988
294 units potentially affected
The defect: POWER STEERING PUMPS MAY HAVE A RIDGE INSIDE THE ALUMINUM HOUSING WHICH COULD DETACH ITSELF FROM THE HOUSING AND BECOME WEDGED INSIDE THE RELIEF VALVE, KEEPING IT OPEN.
The risk: THIS COULD RESULT IN SUDDEN LOSS OF ASSISTANCE TO THESTEERING WITH THE POTENTIAL FOR AN ACCIDENT.
The remedy: REPLACE POWER STEERING PUMP.
MACK TRUCKS, INCORPORATEDView on NHTSA.gov