1990 GMC SAFARI Service Brakes, Hydraulic Problems

AFTER A HARD BRAKING INCIDENT, THE ABS & BRAKE LIGHTS CAME ON AND STAYED ON. SYSTEM WAS RESET BY MECHANIC, WORKED FOR 4 OR 5 BRAKE APPLICATIONS BUT HAD ELECTRIC MOTOR NOISE UNDER HOOD, THEN PROBLEM RETURNED. REGULAR BRAKES WORK PROPERLY, ABS DOES NOT. INDEPENDENT REPAIR SHOP STATED ABS COMPUTER FAILURE. COST TO REPAIR - $450, WORK NOT PERFORMED. PROBLEM PERSISTS. AFTER VIEWING YOUR ONLINE COMPLAINTS, THIS SEEMS TO BE A COMMON PROBLEM FOR THIS MAKE/MODEL/YEAR OF VEHICLE. *AK

THE ABS WARNING LIGHTS COMES ON, INDICATING THAT THE ABS DOES NOT FUNCTION AT ALL. DEALER HAS SEEN VEHICLE, AND RESET THE ABS CODE. PROBLEM EXSITS AGAIN. *AK

ABS LIGHT KEEPS COMING ON & STAYING. WHEN APPLYING BRAKES (ABS), VEHICLE WOULD SLIDE. VEHICLE FAILS TO STOP RIGHT AWAY. WHEELS WOULD LOCK UP. BEEN TO DEALER & MECHANIC RESET COMPUTER FOR BRAKES. THE DIAGNOSTIC MACHINE HAD A CODE OF 63. *AK

ABS BRAKE PROBLEMS; DURING NORMAL BRAKING AT LOW SPEED IN NO INCLEMENT WEATHER, MOSTLY WHEN COMING OUT OF THE DRIVEWAY(VERY LITTLE HILL), WHEN APPLYING THE BRAKES, THE PEDAL GOES STRAIGHT TO THE FLOOR AND THE TRUCK DOES NOT STOP. AFTER THE TRUCK SITS FOR ONE TO TWO MINUTES AND THE BRAKES ARE NORMAL, DEALER NOT ABLE TO DETECT A PROLBEM WITH THE SYSTEM. *AK

ANTILOCK BRAKE LIGHT COMES ON.

ANTILOCK BRAKES FAILED.

OWNER HAS ABS BRAKES. BRAKES DRAG, BRAKE PEDAL GOES TO THE FLOOR. OWNER HAS HAD VEHICLE IN FOR SERVICE, AND DEALERS ARE UNABLE TO FIND ANYTHING WRONG. *AK

WHEN APPLYING THE ABS BRAKES IN ICY WEATHER, THE ABS LIGHT CAME ON AND THE FRONT BRAKES LOCKED UP. REPLACED ABS SYSTEM. PLEASE DESCRIBE. *AK

IN DRY WEATHER APPLIED THE BRAKES AND ABS LIGHT CAME ON AND THERE WERE NO BRAKES, TOOK TO DEALER AND HE REPLACED THE COMPUTER SYSTEM, THE PASSENGER'S AND MIDLE BENCH SEAT BELT BUCKLES BROKE ON THREE DIFFERENT OCCASIONS, THE ECM FAILED WHEN DRIVING AND THE ELECTRIC LOCK ALSO FAILED. *AK

THE ANTI-LOCK BRAKE CONTROL VALUE HAS FAILED. THIS HAS BEEN REPLACED TWICE IN THE LAST (2) YEARS AND IT HAS TO BE REPLACED AGAIN.*AK CONSUMER STATES REPLACEMENTS ONLY LAST 17-18 THOUSAND MILES. *SLC

ANTILOCK BRAKES FAILED. *SD

ABS BRAKES; BRAKE SYSTEM FAILS W/CONDITION REPEATING ITSELF YEARLY. PLEASE DESCRIBE DETAILS. TT

ABS BRAKES; WARNING LIGHT ILLUMINATED W/CAUSE SUPPOSE TO HAVE BEEN CORRECTED. PROBLEM KEEPS REOCCURING. PLEASE DESCRIBE DETAILS. TT

THE BRAKES ARE ABS AND THEY FAILED. THE BRAKES LOCKED AND COULD NOT STOP THE TRUCK. PLEASE DESCRIBE. TT

IN PANIC STOP ABS BRAKES FAILED, VEHICLE ROLLED FORWARD, CAUSING EXTENDED STOPPING DISTANCE,ONCE RESULTING IN AN ACCIDENT, ALSO ABS LIGHT CAME ON. *AK