IllustrationDRIVING AT ANY SPEED, VECHICLE GOES TO OPEN THROTTLE POSITION, PARKED THE VEHICLE AND IT WENT INTO HIGH IDLE AND WOULD NOT IDLE DOWN. *AK
1989 Cadillac Deville
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 1989 Cadillac Deville do not stand out strongly from the model-year median of 44.
About this comparison →How this year compares
Owner complaints by model year
Compare all Deville 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: 2 of 48 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.
- Vehicle Speed Control. Review the 19 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine And Engine Cooling. Review the 8 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Service Brakes, Hydraulic. Review the 7 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
5 crash reports1 fire reports3 injury reports
What owners actually said
48 reportsAT 64 MPH THE ENGINE FAILED DUE TO A FAILURE OF THE OIL PUMP AND DEFECTIVE ENGINE BEARINGS, AT 6,000 MILES LATER SAME PROBLEM OCCURRED. THE SAME PROBLEM ALSO OCCURRED AT 3,000 MILES AND LESS. TOOK IT TO AN ENGINEERING SCHOOL AND THEY FOUND THAT THE ENGINE WAS IMPROPERLY ALIGNED, CAUSING BEARING AND OIL PUMP TO FAIL WITHOUT WA…
Read full complaint
AT 64 MPH THE ENGINE FAILED DUE TO A FAILURE OF THE OIL PUMP AND DEFECTIVE ENGINE BEARINGS, AT 6,000 MILES LATER SAME PROBLEM OCCURRED. THE SAME PROBLEM ALSO OCCURRED AT 3,000 MILES AND LESS. TOOK IT TO AN ENGINEERING SCHOOL AND THEY FOUND THAT THE ENGINE WAS IMPROPERLY ALIGNED, CAUSING BEARING AND OIL PUMP TO FAIL WITHOUT WARNING. *AK
SUDDEN ACCELERATION, CAUSING ACCIDENT.
HEAT REGULATOR INOPERATIVE.
WIFE WAS DRIVING VEHICLE, PULLED INTO PARKING LOT, MADE A RIGHT TURN, STARTED FOR PARKING SPOT, VEHICLE, WITHOUT WARNING, SUDDENLY ACCELERATED; VEHICLE JUMPED CURB, WENT ACROSS GRASS, HIT LIBRARY BLDG.*AK
TRANSMISSION THROTTLE VALVE FAILED, CAUSING SUDDEN ACCELERATION.
THE THROTTLE STUCK AND CAUSED THE VEHICLE TO ACCELERATE AROUND A PARKING LOT AT 70MPH AND HIT 7 CARS. PLEASE DESCRIBE. *AK
TWO FUEL LINES LEAK. *SD
VEHICLE ACCELERATED ON ITS OWN DUE TO FAILED IDLE SPEED CONTROL.
TURN SIGNAL LIGHTS WILL NOT SHUT OFF WHEN COMPLETING A TURN, STEERING WHEEL WILL NOT LOCK WHEN VEHICLE'S IGNITION IS OFF. *AK
Official recalls
0No recalls in this snapshot.
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
0No exact-year investigations in this snapshot.