Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip

NHTSA recall 87V093000 · announced June 23, 1987 · filed by General Motors Corp. · 6,004 units affected

The problem

THE ANTI LOCK BRAKE SYSTEM (ABS) PRESSURE/WARNING SWITCH MAY EXHIBIT BRAKE FLUID SEEPAGE WHICH EVENTUALLY CAN LEAD TO LOSS OF THE BRAKE SYSTEM HYDRAULIC PUMP MOTOR. ADDITIONALLY, THE HYDRAULIC PUMP MOTOR AND ABS ELECTRICAL RELAYS MAY HAVE BEEN EXPOSED TO WATER CONTAMINATION DURING VEHICLE ASSEMBLY. THIS CONDITION CAN CAUSE LOSS OF THE HYDRAULIC PUMP MOTOR AND/OR LOSS OF THE ABS FUNCTION.

The risk

LOSS OF THE HYDRAULIC PUMP MOTOR WOULD RESULT IN A TOTALLOSS OF REAR BRAKES AS WELL AS POWER ASSIST TO THE FRONT BRAKES. THE RED BRAKEWARNING LIGHT WOULD ILLUMINATE AND STAY ON. IF THIS WARNING IS NOT HEEDED, ALOSS OF REAR BRAKES AT A TIME WHEN MINIMUM STOPPING DISTANCE IS REQUIRED COULDRESULT IN A VEHICLE CRASH. AN INOPERATIVE ABS ELECTRICAL RELAY COULD CAUSELOSS OF THE ABS FUNCTION, BUT NORMAL POWER ASSISTED BRAKING WOULD BE RETAINED.THE AMBER ANTI LOCK WARNING LIGHT WOULD ILLUMINATE AND STAY ON.

What to do

THE ABS AND HYDRAULIC PUMP MOTOR ELECTRICAL RELAYS AND 30 AMP FUSES WILL BE REPLACED. IN ADDITION, THE HYDRAULIC PUMP MOTOR ASSEMBLY AND PRESSURE/WARNING SWITCH WILL BE INSPECTED AND, IF REQUIRED, REPLACED.

Notes

SYSTEM: BRAKES.VEHICLE DESCRIPTION: PASSENGER CARS WITH ANTI LOCK BRAKES.

Vehicles covered by this recall

• 1986 Buick Electra
• 1987 Buick Lesabre
• 1986 Cadillac Deville
• 1987 Cadillac Deville
• 1986 Oldsmobile 98
• 1987 Oldsmobile 98
• 1986 Pontiac 6000
• 1987 Pontiac 6000

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