HYDRAULIC UNIT FOR BRAKES FAILED. MJS
1990 Cadillac Allante
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 1990 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: 4 of 40 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 34 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.
Service Brakes, Hydraulic complaints
34 reports3 APPLICATIONS OF BRAKES AFTER FAILURE LIGHT CAME ON. "DROVE" CAREFULLY TO DEALER, USING GEARS TO "BRAKE." REPLACED PUMP ASSEMBLY AND RELAY ASSEMBLY.
THREE TOTAL BRAKE FAILURES TO DATE. TWO RESULTED IN ACCIDENTS WHEN THE ALLANTE HAD TO BE CRASHED INTO TRUCKS ON EACH OCCASSION TO STOP WITHOUT INJURY TO PEDESTRIANS. PROPERTY DAMAGE IN EACH CASE WAS ABOUT $1,000 TO THE ALLANTE AND $2,000 TO THE TRUCKS IN EACH CASE. THE CAR WAS THEN TOWED TO CADILLAC WHO EXAMINED THE BRAKE SYS…
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THREE TOTAL BRAKE FAILURES TO DATE. TWO RESULTED IN ACCIDENTS WHEN THE ALLANTE HAD TO BE CRASHED INTO TRUCKS ON EACH OCCASSION TO STOP WITHOUT INJURY TO PEDESTRIANS. PROPERTY DAMAGE IN EACH CASE WAS ABOUT $1,000 TO THE ALLANTE AND $2,000 TO THE TRUCKS IN EACH CASE. THE CAR WAS THEN TOWED TO CADILLAC WHO EXAMINED THE BRAKE SYSTEM AND COULD NOT "FIND A PROBLEM." HOWEVER, ON EACH OCCASION, CADILLAC REPLACED THE ENTIRE BRAKE SYSTEM AND MASTER CYLINDER AT NO CHARGE. WE WERE ADVISED (AND STILL ARE TOLD) BY CADILLAC THAT THEY HAVE NEVER EXPERIENCED A BRAKE FAILURE OR SIMILAR INCIDENT IN ANY ALLANTE! WE JUST LEARNED THIS IS NOT THE CASE WHEN WE DISCOVERED YOUR WEBSITE. THE DENIAL OF ANY BRAKE INCIDENTS HAS COME FROM UNIVERSITY CADILLAC, BAYVIEW CADILLAC, THE CADILLAC SOUTH FLORIDA AREA REPRESENTATIVE AND CADILLAC THROUGH THEIR "800" NUMBER 1-800-ALLANTE. OBVIOUSLY, THIS NOT BEING THE TRUTH, THIS IS A COMPANY-WIDE EFFORT TO WITHHOLD THE TRUTH FROM ALLANTE OWNERS!
NO SUMMARY
FIRST BRAKE SYSTEM FAILURE WAS COVERED UNDER CADILLAC WARRANTY; DON'T REMEMBER DATE, BUT ALL CADILLAC DEALERS ARE HOOKED TO A CENTRAL COMPUTER SYSTEM THAT CAN LOOK UP DATES OF ALL REPAIRS BY VIN. *AK
ABS FAILURE. NO BRAKES.
SIX INCIDENTS OF TOTAL BRAKE FAILURE (ABS) RESULTING IN VEHICLE BEING TOWED TO DEALER. REPLACE PUMP MOTOR FOUR TIMES. REPLACE MASTER CYLINDER, ACCUMULATOR ($3420.00). REPLACE PUMP RELAY. BRAKES DO NOT HAVE A CONSISTANT FEEL. AT TIMES CAR SPEEDS UP WHEN BRAKES ARE APPLIED. MY OPINION IS THAT THE ABS IS UNSAFE AND POORLY ENG…
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SIX INCIDENTS OF TOTAL BRAKE FAILURE (ABS) RESULTING IN VEHICLE BEING TOWED TO DEALER. REPLACE PUMP MOTOR FOUR TIMES. REPLACE MASTER CYLINDER, ACCUMULATOR ($3420.00). REPLACE PUMP RELAY. BRAKES DO NOT HAVE A CONSISTANT FEEL. AT TIMES CAR SPEEDS UP WHEN BRAKES ARE APPLIED. MY OPINION IS THAT THE ABS IS UNSAFE AND POORLY ENGINEERED.
ANTI LOCK BRAKES FAIL.
ANTI-LOCK DISABLED FLASHED ON THE DIC WHILE SLOWING TO A STOP. LOSS ALL BRAKE ASSIST AND HAD TO USE THE PARKING BRAKE TO SLOW THE CAR DOWN.
MY WIFE WAS DRIVING THROUGH THE NEIGHBORHOOD WHEN SHE TRIED BRAKING THE PEDAL WAS VERY HARD SHE HAD TO SLOW DOWN WITH ENGINE IT WAS LUCKY THAT SHE WAS NOT GOING FAST. THE DEALER SAID THE CAR HAD A BOSCHE111 SYSTEM THAT DID NOT HAVE A BACKUP IF THE PUMP WENT OUT CAR WOULD NOT STOP. I WAS SHOCKED. I HAD IT REPLACED I THOUGHT IT PR…
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MY WIFE WAS DRIVING THROUGH THE NEIGHBORHOOD WHEN SHE TRIED BRAKING THE PEDAL WAS VERY HARD SHE HAD TO SLOW DOWN WITH ENGINE IT WAS LUCKY THAT SHE WAS NOT GOING FAST. THE DEALER SAID THE CAR HAD A BOSCHE111 SYSTEM THAT DID NOT HAVE A BACKUP IF THE PUMP WENT OUT CAR WOULD NOT STOP. I WAS SHOCKED. I HAD IT REPLACED I THOUGHT IT PROBABLY WOULD NOT HAPPEN AGAIN FOR ANOTHER 61000 MILES. WELL IT HAS HAPPENED AGAIN I AM AFFRAID TO SELL OR DRIVE THIS CAR IF THIS EVER HAPPENED AT 70 MILES AN HOUR ON THE FREEWAY I WOULD BE DEAD. SCARRY!!!!!!
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