THROTTLE NON-RETURN
FaultScore report
1986 Cadillac Seville problems
Owners have filed 14 complaints about the 1986 Cadillac Seville with NHTSA between 1995 and 2002. The largest single group is the engine & cooling.
The numbers
14
Complaints
2
Crashes reported
0
Fires reported
3
Injuries reported
How 1986 compares with every other Cadillac Seville
Click any bar to open that year's report.
What breaks on a 1986 Cadillac Seville
Every complaint is filed against a part. Follow any row for the complaints about that part alone.
1 crashes, 0 fires
1 crashes, 0 fires
When owners complained
A spike years after the car went on sale usually means a part wearing out on schedule across the whole fleet — the kind of pattern no single owner can see from inside their own car.
NHTSA investigations into the 1986 Cadillac Seville
An investigation is the step before a recall: the agency has seen enough complaints to look into a pattern itself. An open one means it thinks something may be wrong and nothing has been fixed yet.
Recalls on the 1986 Cadillac Seville
A complaint is one owner's allegation. A recall is the point at which the manufacturer or a regulator agreed the defect is real and dangerous enough to fix for free — however old the car is.
Canada — Transport Canada
Canada runs its own recall programme, and its campaigns do not always mirror the American ones.
Structure
THE ORIGINAL EQUIPMENT FLOOR MAT, IF MISPOSITIONED, COULD INTERFERE WITH THE ACCELERATOR PEDAL PREVENTING THE THROTTLE FROM RETURNING TO THE IDLE POSITION WHEN THE ACCELERATOR PEDAL IS RELEASED. LOSS OF ACCELERATOR CONTROL COULD RESULT IN A VEHICLE CRASH WITHOUT PRIOR WARNING. CORRECTION: DEALERS WILL REPLACE BOTH FRONT FLOOR MATS ON AFFECTED VEHICLES.
Accessories
AN INTERMITTENT CIRCUIT IN THE TWILIGHT SENTINEL SYSTEM COULD CAUSE THE HEADLIGHTS AND INSTRUMENT PANEL LIGHTS TO GO OUT. SUDDEN LOSS OF HEADLIGHTS COULD REDUCE VISIBILITY AND RESULT IN A VEHICLE CRASH WITHOUT PRIOR WARNING. CORRECTION: DEALERS WILL REPLACE THE EPROM IN THE BODY CONTROL MODULE ON AFFECTED VEHICLES.
Recalls cover specific build ranges, so check your own vehicle by VIN at nhtsa.gov/recalls or, in Canada, Transport Canada.
Complaints that involved harm
Reports where the owner recorded a crash, a fire, an injury or a death.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
WHILE 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.
NHTSA complaint #563773 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
WHILE 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.
NHTSA complaint #563773 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
THE MANIFOLD WAS NOT CONNECTED AND HOLES WERE IN THE EXHAUST SYSTEM CAUSING FUMES INSIDE VEHICLE AND RESULTED IN CONSUMER FEELING ILL. NLM
NHTSA complaint #559717 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
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.
NHTSA complaint #860665 — an unverified report by a vehicle owner.
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:WINDSHIELD:ELECTRICAL HEATING ELEMENT
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.
NHTSA complaint #860665 — an unverified report by a vehicle owner.
The most recent complaints
In the owners' own words, exactly as filed with NHTSA.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
WHILE 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.
NHTSA complaint #563773 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
WHILE 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.
NHTSA complaint #563773 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
CONSUMER STATES VEHICLE HAS A FAULTY EMISSION SYSTEM, THE FUMES AND SMOKE ARE BAD, CONSUMER STATES THIS CAUSES UNCONCIOUSNESS AND ACCIDENTS. *SLC
NHTSA complaint #560908 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
THERE IS AN OIL LEAK. *SLC
NHTSA complaint #560908 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
THE MANIFOLD WAS NOT CONNECTED AND HOLES WERE IN THE EXHAUST SYSTEM CAUSING FUMES INSIDE VEHICLE AND RESULTED IN CONSUMER FEELING ILL. NLM
NHTSA complaint #559717 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
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.
NHTSA complaint #860665 — an unverified report by a vehicle owner.
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:WINDSHIELD:ELECTRICAL HEATING ELEMENT
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.
NHTSA complaint #860665 — an unverified report by a vehicle owner.
EXTERIOR LIGHTING:HEADLIGHTS
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
NHTSA complaint #702132 — an unverified report by a vehicle owner.
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
WHEN APPLYING BRAKES VEHICLE ACCELERATED, ACCELERATOR PEDAL PULSATED, FELT LIKE VEHICLE WAS TRYING TO ENGAGE CRUISE.
NHTSA complaint #810725 — an unverified report by a vehicle owner.
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS
DEFECTIVE BRAKE HOSES CAUSE BRAKES TO SQUEAL/SMOKE.
NHTSA complaint #512561 — an unverified report by a vehicle owner.
STEERING:GEAR BOX (OTHER THAN RACK AND PINION)
WORN STEERING GEAR.
NHTSA complaint #484193 — an unverified report by a vehicle owner.
STEERING:GEAR BOX (OTHER THAN RACK AND PINION)
'COLD POWER STEERING'.
NHTSA complaint #484696 — an unverified report by a vehicle owner.
ELECTRICAL SYSTEM:IGNITION
CONSUMER HAD A NEW ENGINE PUT IN MY CAR CAR IS NOT WORKING RIGHT WHEN AT LIGHT START TO MOVE CAR STALLS. TT
NHTSA complaint #971908 — an unverified report by a vehicle owner.
FUEL SYSTEM, GASOLINE:CARBURETOR SYSTEM
INTERNAL LEAK IN INTAKE MANIFOLD GASKET, ALLOWING COOLANT TO LEAK INTO OIL.
NHTSA complaint #482226 — an unverified report by a vehicle owner.