Owner-reported complaints naming the engine system, filed with NHTSA
Data refreshed
Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components. Every record below is an owner-reported complaint about the 1989 Cadillac Deville submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 8 reports on file name it.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Shown in the owner’s own words, exactly as filed
WOULD NOT PASS EMISSIONS DUE TO MISFIRE AND NOX CONTROL SYSTEM MALFUNCTION (MOST LIKELY DUE TO PROBLEMS IN ONLY A FEW CYLINDERS). POSSIBLE CAUSES INCLUDE LEAN AIR/FUEL RATIO, PORT VACUUM LEAKS, EGR SYSTEM, ERRATIC IGNITION TIMING, AND/OR OTHER MECHANICAL PROBLEMS. *TR
FAN BELT FAILED.
OIL PUMP FAILED DUE TO WORN OUT BEARINGS. *AK
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
HEAT REGULATOR INOPERATIVE.
TRANSMISSION THROTTLE VALVE FAILED, CAUSING SUDDEN ACCELERATION.
VEHICLE ACCELERATED ON ITS OWN DUE TO FAILED IDLE SPEED CONTROL.
ENGINE COOLANT HOSE ROTTED OUT, CAUSING COOLANT TO EXPELL FROM ENGINE, RESULTING IN ENGINE BLOCK OVERHEATING, DAMAGING CYLINDERS. *SKD
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Categories with enough reports to have a page of their own
Data on this page last refreshed .