IllustrationWHILE DRIVING, CONSUMER HAS GONE UNCONSCIOUS DUE TO FUMES FROM THE EMISSION SYSTEM, WHICH CAUSES LOSS OF CONTROL AND CRASHES, CONSUMER STATES THE EMISSION SYSTEM IS WORN AND HAS 7 HOLES, CAN NOT GET IT REPLACED, CONSUMER HAS BEEN INJURED AND HAS BEEN IN FOUR ACCIDENT BECAUSE OF THIS. *YH
1986 Cadillac Seville
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all Seville 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: 0 of 11 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 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Service Brakes, Hydraulic. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Steering. 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.
1 crash reports0 fire reports2 injury reports
Engine And Engine Cooling complaints
4 reportsCONSUMER STATES VEHICLE HAS A FAULTY EMISSION SYSTEM, THE FUMES AND SMOKE ARE BAD, CONSUMER STATES THIS CAUSES UNCONCIOUSNESS AND ACCIDENTS. *SLC
THE MANIFOLD WAS NOT CONNECTED AND HOLES WERE IN THE EXHAUST SYSTEM CAUSING FUMES INSIDE VEHICLE AND RESULTED IN CONSUMER FEELING ILL. NLM
ENGINE MANIFOLD WAS NOT CONNECTED AND FUMES THAT WERE RELEASED PUT CONSUMER TO SLEEP AT RED LIGHTS. ONCE CONSUMER HEARD CAR HITTING CONCRETE RAILS, AND COULD NOT WAKE UP. CONSUMER FELT THIS WAS VERY UNSAFE BECAUSE OF THE VENTILATION SYSTEM. CONSUMER FEARED CATCHING A LIVER DISEASE. *AK DUE TO INHALING FUMES, THE CUNSUMER…
Read full complaint
ENGINE MANIFOLD WAS NOT CONNECTED AND FUMES THAT WERE RELEASED PUT CONSUMER TO SLEEP AT RED LIGHTS. ONCE CONSUMER HEARD CAR HITTING CONCRETE RAILS, AND COULD NOT WAKE UP. CONSUMER FELT THIS WAS VERY UNSAFE BECAUSE OF THE VENTILATION SYSTEM. CONSUMER FEARED CATCHING A LIVER DISEASE. *AK DUE TO INHALING FUMES, THE CUNSUMER ALSO BECAME UNCONSCIOUS WHILE DRIVING AND HIT TRUCK STOPPED AT LIGHT. THE VEHICLE WAS TOTALLED. *YH
Official recalls
287V082000 · Vehicle Speed Control:linkages
Jun 4, 1987
FLOOR MAT COULD BECOME MISPOSITIONED AND INTERFERE WITH ACCELERATOR PEDAL.
Consequence & remedy
Consequence: THROTTLE MAY NOT RETURN TO THE CLOSED IDLE POSITIONCAUSING LOSS OF ACCELERATOR CONTROL WHICH COULD RESULT IN A VEHICLE CRASHWITHOUT PRIOR WARNING.
Remedy: REPLACE FLOOR MATS WITH NEWLY DESIGNED MATS THAT ARE LONGER AND HAVE IMPROVED RETENTION.
87V047000 · Exterior Lighting:headlights:switch
Apr 6, 1987
THE TWILIGHT SENTINEL POTENTIOMETER (THUMBWHEEL CONTROL) MIGHT HAVE BEEN MANUFACTURED WITH ELECTRICAL CONTACTS WHICH COULD RESULT IN AN INTERMITTENT HEADLIGHT CIRCUIT.
Consequence & remedy
Consequence: WITH THE TWILIGHT SENTINEL SYSTEM ON, THE INTERMITTENTCIRCUIT COULD CAUSE HEADLIGHT AND INSTRUMENT PANEL LIGHTS TO GO OUT. SUDDENLOSS OF HEADLIGHTS COULD REDUCE DRIVER VISIBILITY AND MIGHT RESULT IN A VEHICLECRASH WITHOUT PRIOR WARNING.
Remedy: INSTALL A NEW PART IN ONE OF THE VEHICLES CONTROL COMPUTERS TO PREVENT THIS CONDITION FROM OCCURING.
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
1C89001 · Throttle NON-RETURN
Opened Mar 6, 1989 · Closed Jan 16, 1990
Status: closed (inferred from source dates) · Vehicle Speed Control:linkages
There is no summary currently available