Service Brakes, Hydraulic:foundation Components:hoses, Lines/piping, And Fittings

NHTSA recall 91V003000 · announced October 2, 1991 · filed by Chrysler Corporation · 33,000 units affected

The problem

THERE MAY BE HYDRAULIC FLUID CONTAMINATION FROM CONDENSATION FORMATION THAT CAN PLUG THE ABS BRAKE BOOSTER PUMP FILTER; STRESS CORROSION OF THE MASTER CYLINDER SNAP RING HAS BEEN TRACED TO CHLORINE LEAKING FROM THE LOW PRESSURE HYDRAULIC HOSE WHICH MAY CAUSE IT TO BREAK; FRONT BRAKE HOSE TO TIRE INTERFERENCE WHICH MAY CAUSE FAILURE OF THE BRAKE HOSE.

The risk

CONTAMINATION OF THE HYDRAULIC FLUID CAN CAUSEMALFUNCTIONING OF THE ANTI-LOCK BRAKE SYSTEM; LOW PRESSURE HOSE LEAKAGE CAUSESLOSS OF BRAKE FLUID AND ALSO RESULTS IN CORROSION AND FAILURE OF THE MASTERCYLINDER SNAP RING, RESULTING COMPLETE BRAKE FAILURE; FAILURE OF THE FRONT BRAKEHOSE DUE TO HOSE TO TIRE INTERFERENCE WILL CAUSE FAILURE OF ONE HALF OF THEBRAKE SYSTEM RESULTING IN A LONGER STOPPING DISTANCE THAN EXPECTED.

What to do

REPLACE ABS LOW PRESSURE HOSE; REBUILD MASTER BRAKE CYLINDER; INSPECT, SERVICE INTERFERENCE PROBLEMS, AND REPLACE FRONT BRAKE HOSE AS NECESSARY.

Notes

SYSTEM: HYDRAULIC FLUID CONTAMINATION; ANTI-LOCK BRAKE SYSTEM (ABS).VEHICLE DESCRIPTION: MULTI-PURPOSE VEHICLES EQUIPPED WITH ANTI-LOCK BRAKESYSTEM.

Vehicles covered by this recall

• 1989 Jeep Cherokee
• 1990 Jeep Cherokee
• 1989 Jeep Wagoneer
• 1990 Jeep Wagoneer

Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.