IllustrationINTERNAL LEAK IN INTAKE MANIFOLD GASKET, ALLOWING COOLANT TO LEAK INTO OIL. *AW
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
Fuel System, Gasoline complaints
1 reportsOfficial 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