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: 8 of 50 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.
Engine And Engine Cooling. Review the 21 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Electrical System. Review the 6 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Visibility. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
4 crash reports5 fire reports4 injury reports
What owners actually said
50 reports
116,000 miles · Nov 8, 2003
Service Brakes, HydraulicFire
REAR BRAKES LOCKED UP WHILE DRIVING FIVE TIMES IN THE PAST YEAR, CAUSING THE REAR BRAKE PADS TO SMOKE AND CATCH ON FIRE. CONSUMER REPLACED THE REAR CALIPERS/ROTORS AND MASTER CYLINDER. CONSUMER CALLED GMC, AND WAS TOLD THAT WARRANTY EXPIRED, AND THERE WAS NOTHING THEY COULD DO. EACH TIME THIS HAPPENED CONSUMER WAS IN HEAVY T…
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REAR BRAKES LOCKED UP WHILE DRIVING FIVE TIMES IN THE PAST YEAR, CAUSING THE REAR BRAKE PADS TO SMOKE AND CATCH ON FIRE. CONSUMER REPLACED THE REAR CALIPERS/ROTORS AND MASTER CYLINDER. CONSUMER CALLED GMC, AND WAS TOLD THAT WARRANTY EXPIRED, AND THERE WAS NOTHING THEY COULD DO. EACH TIME THIS HAPPENED CONSUMER WAS IN HEAVY TRAFFIC, AND WAS ALMOST REAR ENDED. *AK
NHTSA ODI #10045782
Mileage unknown · Mar 3, 2003
Electrical System
THE POSITIVE POST OF THE BATTERY WAS CRACKED AND LEAKED ACID. THE ENTIRE ELECTRICAL POWER SYSTEM HAD FAILED DUE TO THE POSITIVE TERMINAL BOLT CORRODING. SCC *JB
NHTSA ODI #10008874
63,070 miles · Jan 3, 2003
Electrical System
WHILE DRIVING, VEHICLE'S POSITVE BATTERY POST WILL OPEN CAUSING VEHICLE TO SHUT OFF AND UNABLE TO START. DEALER NOTIFIED. TS DEALERSHIP STATED STRESS ON THE POSITIVE TERMINAL CAUSED THE VEHICLE TO DIE OUT, THE BATTERY TO CRACK AND LEAK ACID. CORROSION WAS ALSO FOUND IN THE BATTERY TRAY AND THE BATTERY AND CABLES HAD TO BE REP…
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WHILE DRIVING, VEHICLE'S POSITVE BATTERY POST WILL OPEN CAUSING VEHICLE TO SHUT OFF AND UNABLE TO START. DEALER NOTIFIED. TS DEALERSHIP STATED STRESS ON THE POSITIVE TERMINAL CAUSED THE VEHICLE TO DIE OUT, THE BATTERY TO CRACK AND LEAK ACID. CORROSION WAS ALSO FOUND IN THE BATTERY TRAY AND THE BATTERY AND CABLES HAD TO BE REPLACED. THIS IS THE FOURTH BATTERY REPLACED. *TT
NHTSA ODI #10001949
Mileage unknown · Nov 16, 2002
Engine And Engine Cooling
THERE IS A KNOWN PROBLEM WITH CRANK CASE LOWER SEAL ON THE 4.6 NORTHSTAR ENGINE AND MANUFACTURER HAS NOT RESPONDED. OIL LEAK IS HITTING EXAUST AND CAT CONVERTER WHICH COULD CAUSE A FIRE. THIS SHOULD BE A SAFETY ISSUE AND A RECALL FOR REPAIR. THERE IS A TSB ON THIS ISSUE , BUT NO RECALL. I WANT A FIX!!! LOCAL DEALER WANTS OVER $2…
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THERE IS A KNOWN PROBLEM WITH CRANK CASE LOWER SEAL ON THE 4.6 NORTHSTAR ENGINE AND MANUFACTURER HAS NOT RESPONDED. OIL LEAK IS HITTING EXAUST AND CAT CONVERTER WHICH COULD CAUSE A FIRE. THIS SHOULD BE A SAFETY ISSUE AND A RECALL FOR REPAIR. THERE IS A TSB ON THIS ISSUE , BUT NO RECALL. I WANT A FIX!!! LOCAL DEALER WANTS OVER $2000 FOR REPAIR! DT
NHTSA ODI #769791
Mileage unknown · Aug 18, 2002
Engine And Engine Cooling
ON 7/25/01, ENGINE OVERHEATED AS PER ENGINE SCREEN. 255 DEGREES. REPLACED "FAILED THERMOSTAT" TOPPED OFF COOLANT AND RECHECKED. CAR SMELLED LIKE ENGINE HOT. VEHICLE LOST COOLANT. CALLED PUTNAM CADILLAC/BUICK. THEY CHANGED OIL & CHECKED. NO DETECTION OF OVERHEATING. 7/23/02 CAR DRIVEN TO PUTNAM CADILLAC. $5,153 CHARGED …
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ON 7/25/01, ENGINE OVERHEATED AS PER ENGINE SCREEN. 255 DEGREES. REPLACED "FAILED THERMOSTAT" TOPPED OFF COOLANT AND RECHECKED. CAR SMELLED LIKE ENGINE HOT. VEHICLE LOST COOLANT. CALLED PUTNAM CADILLAC/BUICK. THEY CHANGED OIL & CHECKED. NO DETECTION OF OVERHEATING. 7/23/02 CAR DRIVEN TO PUTNAM CADILLAC. $5,153 CHARGED TO TEAR DOWN HEADS & FOUND 5 STRIPPED HEAD BOLTS ON FRONT BANK AND ONE ON REAR BANK. SIX TOTAL THREAD REPAIRS. CYLINDER HEAD PRESSURE TESTED. RESURFACED & RESET VALVES. 6 HELI COILS INSTALLED. REINSTALL CYLINDER HEADS AFTER MACHINE SHOP REPAIRS. HEADS WERE CHECKED FOR WARPAGE DUE TO EXTREME HEAT CAUSED BY MANUFACTURER'S OVER-TORQUING THE HEAD BOLTS AND SPINNING THEM IN THEIR THREADS. NEW VALVE SEALS ADDED. REPLACED WATER PUMP. CADILLAC SERVICING CENTER REVEALED THAT NUMEROUS OTHER 94 SLS CADILLACS HAVE BEEN REPORTED AT OTHER SERVICE CENTERS TO HAVE THE SAME FLAW OF "LOOSE HEADBOLTS COMING LOOSE FROM THE ENGINE BLOCK CAUSING HEAD GASKETS TO LEAK & OVERHEATING." THIS IS DANGEROUS AND EXPENSIVE BECAUSE THE COMPUTER IN THE ENGINE STATES "SHUT OFF ENGINE" THIS OCCURRED JULY 23, 2002 WHILE DRIVING AT NIGHT . WE HAD TO PULL OFF THE SHOULDER OF THE FREEWAY AND ALLOW THE CAR'S TEMPERATURE TO DECLINE. WE LIMPED HOME DANGEROUSLY BY HAVING TO DRIVE SLOWLY AND STOP SEVERAL TIMES TO KEEP THE TEMPERATURE DOWN.*AK
NHTSA ODI #765799
Mileage unknown · Jun 25, 2002
Tires
TIRE WAS SO HOT INSERT ON HUB CAPE BLEW OFF CAR.*AK
NHTSA ODI #763462
Mileage unknown · Mar 2, 2002
Engine And Engine Cooling
ENGINE SHUT DOWN WHILE DRIVING UP MOUNTAIN ROAD DUE TO OVERHEATING. PROBLEM DIAGNOSED BY DEALER AS BLOWN HEAD GASKETS DUE TO LOOSENING OF HEAD BOLTS. PROBLEM IS USE OF STEEL BOLTS DIRECTLY IN ALUMINUM BLOCK WHICH VIBRATE LOOSE OVER TIME, CAUSING LOSS OF ENGINE COOLANT. WIDELY RECOGNIZED PROBLEM BY REPAIR SHOPS AND THERE IS A …
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ENGINE SHUT DOWN WHILE DRIVING UP MOUNTAIN ROAD DUE TO OVERHEATING. PROBLEM DIAGNOSED BY DEALER AS BLOWN HEAD GASKETS DUE TO LOOSENING OF HEAD BOLTS. PROBLEM IS USE OF STEEL BOLTS DIRECTLY IN ALUMINUM BLOCK WHICH VIBRATE LOOSE OVER TIME, CAUSING LOSS OF ENGINE COOLANT. WIDELY RECOGNIZED PROBLEM BY REPAIR SHOPS AND THERE IS A TECHNICAL SEVICE BULLETIN ADDRESSING THIS REPAIR; NEVERTHELESS CADILLAC CLAIMS IT IS NOT AWARE OF ANY DESIGN DEFECT AND REFUSES TO ASSIST WITH REPAIR. REPAIR COST $4,600 TO REBUILD ENGINE OR $7,800 TO REPLACE ENGINE. PROBLEM DEVELOPED WITH NO WARNING AND CAUSED OCCUPANT AND FAMILY TO BE STRANDED.*AK
NHTSA ODI #758849
Mileage unknown · Feb 23, 2002
Electrical SystemFire
CAR WAS PARKED FOR ABOUT 1 MONTH. IT WAS STARTED, ALLOWED TO RUN FOR A FEW MINUTES, THEN MOVED APPROXIMATELY 50 FEET TO ANOTHER LOCATION IN OUR YARD. THE VEHICLE WAS TURNED OFF AND THE KEYS REMOVED. ABOUT 20 MIN. LATER, SMOKE WAS SEEN COMING OUT FROM UNDER THE HOOD. BURNING PIECES OF PLASTIC WERE SEEN FALLING FROM UNDERNEATH …
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CAR WAS PARKED FOR ABOUT 1 MONTH. IT WAS STARTED, ALLOWED TO RUN FOR A FEW MINUTES, THEN MOVED APPROXIMATELY 50 FEET TO ANOTHER LOCATION IN OUR YARD. THE VEHICLE WAS TURNED OFF AND THE KEYS REMOVED. ABOUT 20 MIN. LATER, SMOKE WAS SEEN COMING OUT FROM UNDER THE HOOD. BURNING PIECES OF PLASTIC WERE SEEN FALLING FROM UNDERNEATH THE DASH ON THE INSIDE OF THE CAR. TWO FIRE EXTINGUISHERS WERE EMPTIED IN ATTEMPT TO PUT OUT THE FLAMES WITHOUT SUCCESS. THE CAR WAS COMPLETELY ENGULFED IN FLAMES WITHIN A FEW MINUTES. THE FIRE DEPARTMENT ARRIVED ON THE SCENE AND FINALLY PUT OUT THE FIRE. THE CAUSE OF THE FIRE WAS UNDETERMINED BY THE FIRE DEPARTMENT. WE CONTACTED THE PRODUCT ALLEGATIONS DEPT. AT CADILLAC. THEY ASSUME NO RESPONSIBILITY FOR OUR LOSS. OUR INSURANCE HAD EXPIRED 11 DAYS PRIOR TO THE FIRE WITHOUT OUR KNOWLEDGE. THEY FAILED TO NOTIFY US OR OUR LEIN HOLDER THAT WE NO LONGER HAD INSURANCE ON THE CAR. *AK
NHTSA ODI #758533
Mileage unknown · Jan 24, 2002
Air BagsCrash
WHILE DRIVING BETWEEN 15-25 MPH REAR ENDED A VEHICLE IN FRONT AND AIR BAGS DID NOT DEPLOY. CONSUMER FELT THAT VEHICLE WAS INVOLVED IN A PRIOR ACCIDENT DUE TO AIR BAGS NOT DEPLOYING. PLEASE PROVIDE MORE INFORMATION. *AK
NHTSA ODI #8002842
Mileage unknown · Jan 24, 2002
Service Brakes, HydraulicCrash
WHILE DRIVING BETWEEN 15-25 MPH ON A WET ROAD APPLIED BRAKES TO AVOID REAR ENDING A VEHICLE IN FRONT, BUT BRAKES DID NOT WORK AND VEHICLE CRASHED. DEALER WAS CONTACTED. PLEASE PROVIDE MORE INFORMATION. *AK
IF THE AIR CONDITIONER COMPRESSOR CLUTCH ASSEMBLY CONTACTS THE AUXILIARY ENGINE OIL COOLER OUT HOSE, THE HOSE MAY WEAR THROUGH ALLOWING ENGINE OIL TO LEAK IN THE ENGINE COMPARTMENT.
Consequence & remedy
Consequence: AN OIL LEAK THAT CONTACTS THE HOT EXHAUST SYSTEM CAN RESULT IN AN ENGINE COMPARTMENT FIRE.
Remedy: DEALERS WILL INSTALL A TIE STRAP TO RETAIN THE AUXILIARY ENGINE OIL COOLER OUTLET HOSE TO THE AUXILIARY ENGINE OIL COOLER INLET HOSE AT THE BOTTOM OF THE RADIATOR ASSURING ADEQUATE CLEARANCE OF THE AFFECTED HOSE FROM THE AIR CONDITIONER COMPRESSOR CLUTCH ASSEMBLY.
THE THROTTLE CABLE CAN BECOME DISENGAGED FROM THE RETAINING BRACKET.
Consequence & remedy
Consequence: THE DISENGAGED THROTTLE CABLE CAN INTERFERE WITH THETHROTTLE CAM MECHANISM, RESULTING IN THE THROTTLE STICKING IN EITHER THE OPENPOSITION OR CLOSED POSITION. WHEN THE THROTTLE STICKS IN THE OPEN POSITION,UNWANTED VEHICLE ACCELERATION WILL OCCUR WHICH MAY CAUSE AN ACCIDENT.
Remedy: INSPECT THROTTLE CABLES TO ENSURE THE THROTTLE CONTROL CABLE IS FULLY SEATED IN THE RETAINING BRACKET AND INSTALL A CABLE TIE STRAP TO SECURE THE CABLE IN ITS CORRECT SEAT.
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
2
PE94053 · Engine Compartment Fires
Opened Jul 14, 1994 · Closed Sep 16, 1994
Status: closed (inferred from source dates) · Engine And Engine Cooling
There is no summary currently available
SQ94016 · Brake Light Switch
Opened Feb 7, 1994 · Closed Mar 21, 1994
Status: closed (inferred from source dates) · Exterior Lighting:brake Lights:switch
There is no summary currently available
1994 Cadillac Seville Problems, Complaints & Recalls | Skip That Year