NHTSA owner reports · September 18, 2026 snapshot.
Service Brakes, Hydraulic complaints
25 reportsClear category filter130,000 miles · Aug 7, 2006
Service Brakes, Hydraulic
THIS PAST WEEKEND THE BRAKES ON MY 1987 ALLANTE COMPLETELY FAILED LEAVING ME WITH ONLY THE PARKING BRAKE AND DOWN SHIFTING. FURTHER INVESTIGATION REVELED THAT THE HIGH PRESSURE HOSE FROM THE PUMP TO THE BRAKE UNIT ON THE FIREWALL DEVELOPED A PIN-HOLE; THIS ALLOWED THE SYSTEM TO PUMP ALL OF THE BRAKE FLUID OVERBOARD IN A MATTER …
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THIS PAST WEEKEND THE BRAKES ON MY 1987 ALLANTE COMPLETELY FAILED LEAVING ME WITH ONLY THE PARKING BRAKE AND DOWN SHIFTING. FURTHER INVESTIGATION REVELED THAT THE HIGH PRESSURE HOSE FROM THE PUMP TO THE BRAKE UNIT ON THE FIREWALL DEVELOPED A PIN-HOLE; THIS ALLOWED THE SYSTEM TO PUMP ALL OF THE BRAKE FLUID OVERBOARD IN A MATTER OF SECONDS. FROM THE TIME THE BRAKE LIGHT ILLUMINATED UNTIL I LOST ALL BRAKES WAS A MATTER OF A FEW SECONDS. HAD I BEEN ON A DIFFERENT ROAD OR HAD MY DAUGHTER BEEN DRIVING THE CAR THERE IS A VERY GOOD CHANCE THERE WOULD HAVE BEEN AN ACCIDENT. *NM
NHTSA ODI #10164725
Mileage unknown · Jan 29, 2002
Service Brakes, Hydraulic
BOSCH ABS FAILURES ARE A CHRONIC PROBLEM WITH THE MODEL CADILLAC. *AK
NHTSA ODI #757488
Mileage unknown · Nov 10, 2000
Service Brakes, Hydraulic
I HAVE COMMUNICATED WITH OTHER ALLANTE OWNERS WHO HAVE REPORTED BRAKE FAILURES WITH THE BOSCH III ABS SYSTEM INSTALLED ON THESE CARS. THIS FAILURE IS CATASTROPHIC BECAUSE THE EMERGENCY BRAKE SYSTEM REQUIRES AT LEAST 3 1/2 PUMPS OF THE ACTUATOR, BUT CANNOT BE ENGAGED WITH THE CAR IN GEAR. ALTHOUGH THE DRIVER INFORMATION CENTER …
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I HAVE COMMUNICATED WITH OTHER ALLANTE OWNERS WHO HAVE REPORTED BRAKE FAILURES WITH THE BOSCH III ABS SYSTEM INSTALLED ON THESE CARS. THIS FAILURE IS CATASTROPHIC BECAUSE THE EMERGENCY BRAKE SYSTEM REQUIRES AT LEAST 3 1/2 PUMPS OF THE ACTUATOR, BUT CANNOT BE ENGAGED WITH THE CAR IN GEAR. ALTHOUGH THE DRIVER INFORMATION CENTER WILL WARN OF COMPONENT PROBLEMS WITH THE SYSTEM USING A SERIES OF COMPLICATED CODES, IT IMPLIES THAT THAT ABS SYSTEM CAN BE DEACTIVATED AND THE BRAKES WILL STILL FUNCTION. THAT MAY BE CORRECT OR MAY NOT. IN SOME CASES, PEOPLE HAVE DRIVEN FOR A YEAR WITH THESE WARNINGS APPEARING INTERMITTENTLY, ONLY TO HAVE COMPLETE FAILURE OCCUR WITHOUT WARNING. IN OTHERS, THE BRAKES FAILED ALMOST AS SOON AS THE WARNINGS APPEARED. WORSE YET, THE WARNINGS SEEM TO IMPLY THAT THE BRAKES WILL FUNCTION WITH THE "ABS SYSTEM DISABLED". IN SOME CASES THEY DO, BUT COMPLETE AND CATASTROPHIC FAILURE WILL OCCUR AT SOME COMPLETELY UNPREDICTABLE TIME IN THE FUTURE. THIS CIRCUMSTANCE IS ABSOLUTELY INTOLERABLE AND CONSTITUTES A MAJOR SAFETY THREAT TO THE OWNER AND THE PUBLIC. THE COST OF REPAIRING THIS SYSTEM WILL RUN FROM $1500-4000, AND NEITHER CADILLAC NOR BOSCH HAS MADE ANY EFFORT TO "PATCH" OR UPDATE THE DESIGN, PROVIDE A MORE FAILSAFE SYSTEM, OR SUBSIDIZE IN ANY WAY THE COST OF THESE REPAIRS. I AM AWARE OF NO OTHER CAR WHOSE ESSENTIAL BRAKING SYSTEM WILL REQUIRE THOUSANDS TO MAINTAIN OR ABSOLUTELY WILL EITHER COST THOUSANDS THAVE COMPLETE BRAKE FAILURE WILL SUFFER CATASTROPHIC FAILURE WITHIN 140,000 MILES. *AK
NHTSA ODI #736098
Mileage unknown · Jun 29, 2000
Service Brakes, Hydraulic
NO SUMMARY LISTED FOR ABOVE VEHICLE. *AK
NHTSA ODI #724735
Mileage unknown · Jun 27, 2000
Service Brakes, Hydraulic
AT 65MPH APPLIED BRAKES WHEN VEHICLE AHEAD VEERED INTO MY LANE. BRAKE PEDAL SLAMMED TO THE FLOOR. RELEASED BRAKES AND SMOOTHLY REAPPLIED PRESSURE. PEDAL JUMPED UP APPROX HALF WAY. RELEASED PRESSURE AGAIN AND EASED PEDAL DOWN AGAIN. NORMAL BRAKING WAS REGAINED. HAD BRAKES REBUILT IMMEDIATELY THEREAFTER. NO APPARENT PROBLEMS.*AK
NHTSA ODI #724611
Mileage unknown · Apr 18, 2000
Service Brakes, Hydraulic
THE PROBLEM IS MY ANTI LOCK BRAKES FAIL AT TIMES AND THEN RETURN TO NORMAL, I HAVE BEEN A MECHANIC FOR 25 YEARS AND I HAVE BEEN UNABLE TO FIND THE PROBLEM . I HAVE READ OF MANY OTHER ALLANTE OWNERS HAVING THE SAME PROBLEM.
NHTSA ODI #721637
Mileage unknown · Apr 14, 2000
Service Brakes, Hydraulic
THE ANTI-LOCK BRAKES MALFUNCTIONED. YH
NHTSA ODI #551867
Mileage unknown · Mar 26, 2000
Service Brakes, Hydraulic
THE BRAKE SYSTEM ON THE ALLANTE IS OBVIOUSLY DEFECTIVE. IT IS A DANGER TO THOSE OF US WHO DRIVE THE CAR AS WELL AS OTHERS ON THE ROAD. I NARROWLY AVOIDED REAR ENDING ANOTHER CAR AT A TRAFFIC SIGNAL WHEN COMLETE BRAKE FAILURE OCCURRED BY PULLING ON THE SHOULDER AND SLOWLY ROLLING TO A STOP. I HAVE RESEARCHED THE PROBLEM AND HA…
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THE BRAKE SYSTEM ON THE ALLANTE IS OBVIOUSLY DEFECTIVE. IT IS A DANGER TO THOSE OF US WHO DRIVE THE CAR AS WELL AS OTHERS ON THE ROAD. I NARROWLY AVOIDED REAR ENDING ANOTHER CAR AT A TRAFFIC SIGNAL WHEN COMLETE BRAKE FAILURE OCCURRED BY PULLING ON THE SHOULDER AND SLOWLY ROLLING TO A STOP. I HAVE RESEARCHED THE PROBLEM AND HAVE FOUND THAT NEARLY ALL ALLANTE OWNERS HAVE EXPERIENCED NUMEROUS BREM FAILURES. THIS CAR NEEDS TO BE RECALLED BEFORE SERIOUS ACCIDENT AND INJURY OCCURS. *AK
NHTSA ODI #720604
Mileage unknown · Feb 8, 2000
Service Brakes, Hydraulic
WHEN APPLYING THE BRAKES IN A NORMAL FASHION, THE ANTI-LOCK MESSAGE IS LIT AND THE BRAKE PEDAL HAS A 'CLICK' FEEL TO IT AS PRESSURE IS APPLIED. THE BRAKES DO LOCK UP IN A PANIC STOP. SOMETIMES WHEN THE CAR IS STARTED, THE ANTI-LOCK MESSAGE WILL FLASH ON THE INFORMATION CENTER EVEN THOUGH THE CAR HAS NOT BEEN MOVED OR THE BRAKE…
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WHEN APPLYING THE BRAKES IN A NORMAL FASHION, THE ANTI-LOCK MESSAGE IS LIT AND THE BRAKE PEDAL HAS A 'CLICK' FEEL TO IT AS PRESSURE IS APPLIED. THE BRAKES DO LOCK UP IN A PANIC STOP. SOMETIMES WHEN THE CAR IS STARTED, THE ANTI-LOCK MESSAGE WILL FLASH ON THE INFORMATION CENTER EVEN THOUGH THE CAR HAS NOT BEEN MOVED OR THE BRAKES APPLIED. WHEN THE CAR IS DRIVEN, IF THE PEDAL IS GENTLY PUSHED THE LIGHT DOES NOT COME ON AND WARN OF ANTI-LOCK DISABLING. THEY WORK FINE THEN.
NHTSA ODI #718489
Mileage unknown · Nov 11, 1999
Service Brakes, Hydraulic
MULTIPLE REPAIRS TO BRAKING SYSTEM. NOT QUALITY COMPONENTS
NHTSA ODI #714621
NHTSA investigations
3EA99017 · Braking System Failure
Opened Jun 30, 1999 · Closed Dec 28, 2001
Status: closed (inferred from source dates) · Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip
No summary supplied.
PE99012 · Braking System
Opened Feb 5, 1999 · Closed Jun 30, 1999
Status: closed (inferred from source dates) · Service Brakes, Hydraulic
CONSUMERS ALLEGE A PARTIAL OR TOTAL LOSS OF BRAKING ABILITY
DP99001 · Braking System
Opened Jan 6, 1999 · Closed Feb 8, 1999
Status: closed (inferred from source dates) · Service Brakes, Hydraulic
THE PETITIONER ALLEGE TOTAL LOSS OF ALL BRAKING ABILITY WITHOUT WARNING