The 1986 Cadillac Seville has 2 NHTSA recall campaigns affecting an estimated 94,264 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 14 complaints with NHTSA, most often about the engine and engine cooling. Last updated July 5, 2026.
FLOOR MAT COULD BECOME MISPOSITIONED AND INTERFERE WITH ACCELERATOR PEDAL.
THROTTLE MAY NOT RETURN TO THE CLOSED IDLE POSITIONCAUSING LOSS OF ACCELERATOR CONTROL WHICH COULD RESULT IN A VEHICLE CRASHWITHOUT PRIOR WARNING.
REPLACE FLOOR MATS WITH NEWLY DESIGNED MATS THAT ARE LONGER AND HAVE IMPROVED RETENTION.
THE TWILIGHT SENTINEL POTENTIOMETER (THUMBWHEEL CONTROL) MIGHT HAVE BEEN MANUFACTURED WITH ELECTRICAL CONTACTS WHICH COULD RESULT IN AN INTERMITTENT HEADLIGHT CIRCUIT.
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.
INSTALL A NEW PART IN ONE OF THE VEHICLES CONTROL COMPUTERS TO PREVENT THIS CONDITION FROM OCCURING.
Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.
“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…”
“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…”
“I presented a copy of the following nhtsa campaign id number: 87v047000 component: lighting:switch:button:ring:head lights recall and the service manager informed me that there are no re calls on this car. Should the dealer fix this dangerous problem without charge? Thank you conrad simoneau”
“Defective brake hoses cause brakes to squeal/smoke.”
“Worn steering gear. *dh”
“Internal leak in intake manifold gasket, allowing coolant to leak into oil. *aw”
“'cold power steering'. *dh”
There is no summary currently available
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1986 Cadillac Seville as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.