1991 Chrysler Imperial brakes problems

Defect

THE ABS HYDRAULIC CONTROL UNIT CAN EXPERIENCE EXCESSIVE BRAKE ACTUATOR PISTON SEAL WEAR CAUSING PUMP-MOTOR DETERIORATION.

Consequence

IF THIS CONDITION OCCURS, THE ABS FUNCTION COULD BE LOST AND REDUCED POWER ASSIST WOULD BE EXPERIENCED DURING VEHICLE BRAKING INCREASING THE POTENTIAL FOR A VEHICLE ACCIDENT.

Remedy

DEALERS WILL TEST THE VEHICLE'S ANTI-LOCK BRAKE SYSTEM AND REPAIR THE VEHICLES IF NECESSARY. ALSO THE WARRANTY ON ALL ABS COMPONENTS WILL BE EXTENDED TO 10 YEARS OR 100,000 MILES (EXCEPT FOR THE BRAKE ACTUATOR PISTON ASSEMBLY AND THE PUMP-MOTOR ASSEMBLY WHICH WILL HAVE A LIFETIME COVERAGE). OWNERS WILL ALSO BE REIMBURSED FOR PREVIOUS ABS COMPONENT REPAIR COSTS.

Defect

THE ANTI-LOCK BRAKE SYSTEM HIGH PRESSURE HOSE MAY LEAK OR DETACH AT ITS CRIMPED END FITTING RESULTING IN THE DISCHARGE OF HYDRAULIC FLUID.

Consequence

FLUID DISCHARGE EVENTUALLY CAUSES THE LOSS OF BOTH THEANTI-LOCK BRAKE SYSTEM AND HYDRAULIC ASSIST FOR THE BRAKE SYSTEM, RESULTING ININCREASED LIKELIHOOD OF BRAKE LOCKUP AND INCREASED STOPPING DISTANCES, WHICHCOULD RESULT IN A VEHICLE ACCIDENT.

Remedy

REPLACE THE ABS HIGH PRESSURE HOSE WITH A HOSE OF DIFFERENT DESIGN AND CONSTRUCTION.