OIL PAN GASKET, TRANSMISSION COVER GASKET AIR COMPRESSOR, WATER PUMP GASKET ALL FAILED WITHIN 50,000 MILES. *AK
1994 Cadillac Deville
Owner reports · Recalls · Investigations
More warning signs than most Deville years
Owner complaints for the 1994 Cadillac Deville are substantially higher than 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: 13 of 127 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 34 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Service Brakes, Hydraulic. Review the 18 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Fuel System, Gasoline. Review the 16 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
127 reportsTOOK CAR IN WITH A MINOR OIL LEAK. DEAL SAYS LEAKING AT CASE HALVES RESEAL CASE HALFS AND OIL PAN AND REPAIR MAIN BEARING BOLT HOLE THREADS $1176.37. PARTS: $310.37, LABOR: $866.00 DEALER SAID ENGINE HAS TO BE PULLED OUT TO REPLACE GASKET. TOLD DEALER NEVER IN 50 YEARS HEARD OF AUTO THAT HAD TO HAVE ENGINE PULLED TO REPLACE A GA…
Read full complaint
TOOK CAR IN WITH A MINOR OIL LEAK. DEAL SAYS LEAKING AT CASE HALVES RESEAL CASE HALFS AND OIL PAN AND REPAIR MAIN BEARING BOLT HOLE THREADS $1176.37. PARTS: $310.37, LABOR: $866.00 DEALER SAID ENGINE HAS TO BE PULLED OUT TO REPLACE GASKET. TOLD DEALER NEVER IN 50 YEARS HEARD OF AUTO THAT HAD TO HAVE ENGINE PULLED TO REPLACE A GASKET. DEALER SAID NORTHSTAR DID. INVOICE SHOWS 16 PARTS REPLACED. ON SECOND INCIDENT CAR SUDDENLY DOWNSHIFTED WHILE ON FREEWAY TOOK IMMEDIATELY TO DEALER. CAR SHOWED CODES: P094,P056,P-86. DEALER SAYS TRANSMISSION FLUID HAS SOMEHOW LEAKED ONTO WIRING HARNESS. DEALER SAYS NO MECHICAL PROBLEM WITH TRANSMISSION ITS AN ELECTRONIC CONNECTION BETWEEN ENGINE (NORTHSTAR) AND TRANSMISSION. 12 PARTS TO BE REPLACED AT COST OF $1584.00. SOME AUTO HAS ALMOST $4000 IN REPAIRS IN LESS THAN ONE YEAR. NORTHSTAR ADVERTISES MAINTENENCE FREE FOR FIRST 100,000. CALLED CADILLAC DIRECT AND THEY SAY CAR IS "TO OLD" FOR THEM TO CONSIDER HELPING ON REPAIRS. *AK
WHILE TRAVELING 40MPH AND AS A RESULT OF AN ACCIDENT AIR BAGS DID NOT DEPLOY, CAUSING INJURY. PLEASE PROVIDE FURTHER INFORMATION. *AK
WHILE DRIVING A/C HEATER FAN MOTOR CAUGHT ON FIRE. TOOK CAR TO DEALER AND THEY REPLACED THE MOTOR. INSTRUCTIONS THAT CAME WITH NEW MOTOR STATED NOT TO PUT SPARK PLUGS CLOSE TO FAN WIRE BECAUSE IT COULD CAUSE A FIRE. HOWEVER, CADILLAC PUT SPARK PLUGS TOO CLOSE TO FAN WIRE WHICH CAUSED A FIRE. *AK
IGNITION FUSE BLOWING CAUSING FAILURE OF SEVERAL ELECTRICAL COMPONENTS, REQUIRED ADDITIONAL AMPS. MJS
FUEL TANK STARTED LEAKING FOR NO REASON. THERE IS NO SIGN OF DAMAGE; I HAVE SAVED THE PART OF THE TANK WHERE THE LEAK OCCURRED.
PLASTIC GAS TANK WAS DISCOVERED LEAKING, AND THERE IS NO APPARENT DAMAGE TO TANK. THIS STARTED SPONTANEOUSLY AND FUEL WAS DISCOVERED ON GARAGE FLOOR. I HAVE SAVED THE SECTION OF THE TANK WHERE THE LEAK OCCURRED.
PROBLEMS WITH RADIATOR. MJS
MATERIAL HAS CRYSTALIZED IN THE CLUSTER WINDOW OBSCURING THE VIEW OF THE SHIFT INDICATOR. MJS
WHILE DRIVING AT 30 MPH WITHOUT ANY PRIOR WARNING THE TRANSMISSION WENT OUT, CAUSING VEHICLE TO DIE OUT. *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
4PE98005 · Erratic Turn Signal Operation
Opened Feb 6, 1998 · Closed Aug 27, 1998
Status: closed (inferred from source dates) · Exterior Lighting
No summary supplied.
EA95025 · Dash Trim Separation
Opened Aug 31, 1995 · Closed Sep 30, 1996
Status: closed (inferred from source dates) · Unknown Or Other
A SAFETY-RELATED DEFECT TREND HAS NOT BEEN IDENTIFIED AT THIS TIME AND FURTHER EXPENDITURE OF AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY WILL TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.
PE95025 · Dash Trim Piece Separation
Opened May 1, 1995 · Closed Aug 31, 1995
Status: closed (inferred from source dates) · Unknown Or Other
There is no summary currently available
SQ94016 · Brake Light Switch
Opened Feb 7, 1994 · Closed Mar 21, 1994
Status: closed (inferred from source dates) · Exterior Lighting:brake Lights:switch
There is no summary currently available
Illustration