DRIVING AT ABOUT 25 MPH. POWER ASSIST COMPLETELY AND SUDDENLY FAILED. BREAKS WOULD BEARLY STOP CAR IN A LONG DISTANCE. FORTUNATELY I WAS ABLE TO HAVE A LONG GLIDE PATH WHEN THIS OCCURED. NO DAMAGE OR ACCIDENT RESULTED.
1991 Cadillac Allante
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 1991 Cadillac Allante do not stand out strongly from the model-year median of 27.5.
About this comparison →How this year compares
Owner complaints by model year
Compare all Allante years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 2 of 32 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Service Brakes, Hydraulic. Review the 25 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Service Brakes, Air. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Structure. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
32 reportsTOOK TO DEALER AND NO TROUBLE FOUND. NOT CHARGED. ABS FAILED AGAIN ON 5/7. WAITING REPAIRS.*AK
BRAKE SYSTEM FAILED WHILE IN PARKING LOT 3 TIMES. WOULD NOT STOP VEHICLE WITHOUT SHIFTING INTO NETRUAL. BRAKE LIGHT CAME ON WHEN SYSTEM FAILED. AFTER RESTARTING VEHICLE BRAKES WORKED FINE. CALLED DEALER, THEY WANTED CAR WHEN BRAKES DID NOT WORK. VEHICLE HAS BEEN MAINTAINED BY DEALERSHIP SINCE NEW. I AM THE SECOND OWNER. T…
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BRAKE SYSTEM FAILED WHILE IN PARKING LOT 3 TIMES. WOULD NOT STOP VEHICLE WITHOUT SHIFTING INTO NETRUAL. BRAKE LIGHT CAME ON WHEN SYSTEM FAILED. AFTER RESTARTING VEHICLE BRAKES WORKED FINE. CALLED DEALER, THEY WANTED CAR WHEN BRAKES DID NOT WORK. VEHICLE HAS BEEN MAINTAINED BY DEALERSHIP SINCE NEW. I AM THE SECOND OWNER. TOOK DEALER THREE WEEKS AND THREE DIFFERENT PARTS TO GET VEHICLE TO WORK. FIRST PART, ABS PUMP, THEN BRAKE SWITCH, THEN MASTER BRAKE CYLINDER. VEHICLE HAS ONLY 20,000 MILES AND MASTER CYLINDER NEEDS TO BE REPLACED BEFORE BRAKE PADS.
WHILE TRAVELING AND MAKING A SUDDEN STOP THE BRAKE PEDAL WENT TO THE FLOORBOARD, VEHICLE CONTINUED TO TRAVELING. BY DEPRESSING THE BRAKES AGAIN VEHICLE STOPPED. PLEASE PRIVE FURTHER INFORMATION. *AK
CONVERTIBLE TOP WILL NOT SECURE AND WILL FLY OPEN ,CAUSING A POTENTIAL SAFTEY HAZARD TO ME OR, PASSENGER, OR OTHER DRIVERS. IT SEEMS, EVEN THOUGH IT IS SECURED, IT HAS A TENDENCY TO POP OPEN, CAUSING ME TO ATTEMPT TO GRAB THE TOP IN ORDE R TO PREVENT FURTHER DAMAGE AND PREVENT A SAFETY HAZRD. FROM MY PERSONAL INVESTIGATION, …
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CONVERTIBLE TOP WILL NOT SECURE AND WILL FLY OPEN ,CAUSING A POTENTIAL SAFTEY HAZARD TO ME OR, PASSENGER, OR OTHER DRIVERS. IT SEEMS, EVEN THOUGH IT IS SECURED, IT HAS A TENDENCY TO POP OPEN, CAUSING ME TO ATTEMPT TO GRAB THE TOP IN ORDE R TO PREVENT FURTHER DAMAGE AND PREVENT A SAFETY HAZRD. FROM MY PERSONAL INVESTIGATION, IT SEEMS THIS IS A COMMON PROBLEM WITH THE ALLANTE, BUT NOTHING IS BEING DONE TO CORRECT IT. THIS IS AN ATTEMPT TO HELP CORRECT THE PROBLEM BEFORE A DEADLY ACCIDENT OCCURS TO DRIVER/PASSENGER OR INNOCENT BY-STANDERS. *AK
WHEN APPLYING THE BRAKES THE VEHICLE DOES NOT STOP. THERE IS ALSO A RESISTANCE IN THE PEDAL APPLICATION. DEALER SAYS THE ABS IS BAD. *AK CONSUMER RECEIVED MANUFACTURERS RECALL REGARDING THE ABS PISTON/PUMP MIR ASSEMBLY. *SLC
NO SUMMARY PROVIDED BY CONSUMER
ABS SYSTEM COMPLETE FAILS. NO BRAKES AT ALL! VERY DANGEROUS! I OWN A 1990 AND 1991 AND HAVE HAD SIMULAR SITUATIONS WITH EACH. DEALERHSIP HAS REPLACED BRAKE SYSTEM 5 TIMES ON THE 1991 SINCE THE VEHICAL WAS NEW.
COMPLETE LOSS OF BRAKING ABILITY UPON FAILURE OF UNIT. DIAGNOSTIC CODE 63 ON VEHICLE COMPUTER-BAYVIEW CADILLAC DIAGNOSED AS A FAULTY ABS HYRDRAULIC UNIT. CADILLAC CONTACTED BY DEALER FOR REPAIR ASSISTANCE-NON OFFERED. SUSPECT SECOND FAILURE OF UNIT DUE TO LABEL ON FAILED UNITS STATING REMANUFACTURED FOR GM, HOWEVER BAYVIEW CA…
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COMPLETE LOSS OF BRAKING ABILITY UPON FAILURE OF UNIT. DIAGNOSTIC CODE 63 ON VEHICLE COMPUTER-BAYVIEW CADILLAC DIAGNOSED AS A FAULTY ABS HYRDRAULIC UNIT. CADILLAC CONTACTED BY DEALER FOR REPAIR ASSISTANCE-NON OFFERED. SUSPECT SECOND FAILURE OF UNIT DUE TO LABEL ON FAILED UNITS STATING REMANUFACTURED FOR GM, HOWEVER BAYVIEW CADILLAC WOULD NOT DISCLOSE PRIOR SERVICE RECORD ON VEHICLE PRIOR TO PURCHASE. OWNER ORDERED REPLACEMENT, CONDUCTED INSTALLATION, AND SENT FAILED UNIT CORE BACK TO LAMBERT BUICK-PONTIAC-GMC UNDER INVOICE #44508. TOTAL REPAIR COST PARTS: P/N 3636719 1889.75, BRAKE FLUID $15.00, AND 3.5 HOURS LABOR.
THE PROBLEM STARTED OUT SLOW, WITH THE COMPUTER CHECKING AND DIS-ENGAGING ANTI-LOCK BRAKING SYSTEM AND THEN RE-ENGAGING RIGHT AFTER STARTING CAR. THIS SHOULD HAPPEN, BUT SHOULD NOT TAKE AS LONG., NO OTHER WARNING UNTILL I STARTED BRAKING ABOUT ONE MONTH LATER, WAS BRAKING AT BETWEEN 40 AND 50 MPH, AND THE WARING LIGHT AND COMPUT…
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THE PROBLEM STARTED OUT SLOW, WITH THE COMPUTER CHECKING AND DIS-ENGAGING ANTI-LOCK BRAKING SYSTEM AND THEN RE-ENGAGING RIGHT AFTER STARTING CAR. THIS SHOULD HAPPEN, BUT SHOULD NOT TAKE AS LONG., NO OTHER WARNING UNTILL I STARTED BRAKING ABOUT ONE MONTH LATER, WAS BRAKING AT BETWEEN 40 AND 50 MPH, AND THE WARING LIGHT AND COMPUTER CAME ON AND DIS-ENGAGE THE ANTI-LOCK BRAKES, FORTUATLY I WAS IN A DRIVING SITUATION THAT I WAS ABLE TO STOP. AS SOON AS I TOOK MY FOOT OF THE BRAKE PEDAL, THE COMPUTER CAME BACK ON AND TOLD ME THE BRAKES WERE OK.. THIS KEPT HAPPENING AND THE BRAKES FELT SQUESHY, AND I TOOK THE CAR IN NOV 12 AND IT TOOK THEM 2 DAYS AND WITH THE HELP OF GM ENGENEERS, TO FIGURE OUT THE POBLEM, AND COST $925.00 TO REPLACE ACCUMULATOR.
Official recalls
0No recalls in this snapshot.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
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
Illustration