NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
187 reports124,000 miles · Jun 24, 2011
Wheels
I OWN A 1999 CADILLAC DEVILLE WITH ALLOY WHEELS. TWO OF THE FOUR WHEELS HAVE STRESS CRACKS IN THEM. THIS VEHICLE HAS NOT BEEN DRIVEN ABUSIVELY AND THE TIRES AND WHEELS HAVE ALWAYS BEEN PROPERLY BALANCED AND ALIGNED. *TR I AM VERY CONCERNED THAT OTHER VEHICLES WITH THIS TYPE OF WHEEL(S) WILL ALSO GET STRESS FRACTURES AND THE WH…
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I OWN A 1999 CADILLAC DEVILLE WITH ALLOY WHEELS. TWO OF THE FOUR WHEELS HAVE STRESS CRACKS IN THEM. THIS VEHICLE HAS NOT BEEN DRIVEN ABUSIVELY AND THE TIRES AND WHEELS HAVE ALWAYS BEEN PROPERLY BALANCED AND ALIGNED. *TR I AM VERY CONCERNED THAT OTHER VEHICLES WITH THIS TYPE OF WHEEL(S) WILL ALSO GET STRESS FRACTURES AND THE WHEELS WILL FAIL WITH CATASTROPHIC RESULTS! I WILL KEEP THE WHEELS AND MAKE THEM AVAILABLE FOR INSPECTION FOR 45 DAYS.
NHTSA ODI #10408786
169,400 miles · Jun 16, 2011
Engine And Engine Cooling
TL* THE CONTACT OWNS A 1999 CADILLAC DEVILLE. THE CONTACT STATED THAT THE GAUGE TEMPERATURE READING WAS EXTREMELY HIGH WHEN THE VEHICLE WAS FIRST STARTED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC. THE MECHANIC REPLACED THE WATER PUMP, HEATER FAN SWITCH, THERMOSTAT AND SERPENTINE BELT. THE FAILURE CONTINUED AFTER THE REPA…
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TL* THE CONTACT OWNS A 1999 CADILLAC DEVILLE. THE CONTACT STATED THAT THE GAUGE TEMPERATURE READING WAS EXTREMELY HIGH WHEN THE VEHICLE WAS FIRST STARTED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC. THE MECHANIC REPLACED THE WATER PUMP, HEATER FAN SWITCH, THERMOSTAT AND SERPENTINE BELT. THE FAILURE CONTINUED AFTER THE REPAIRS. THE VEHICLE WAS NOT FURTHER REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 169,400. UPDATED 10/21/11*LJ UPDATED 3/20/12 *CN
NHTSA ODI #10407155
94,000 miles · Jun 16, 2011
Engine And Engine Cooling
TL* THE CONTACT OWNS A 1999 CADILLAC DEVILLE. WHILE DRIVING APPROXIMATELY 60 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE CONTACT HEARD A POPPING SOUND COMING FROM THE ENGINE AS STEAM ACCUMULATED ON THE WINDSHIELD. THE VEHICLE WAS NOT TAKEN TO THE DEALER FOR DIAGNOSTICS. THE CONTACT INSPECTED THE VEHICLE AND DISCOVERED THAT THE…
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TL* THE CONTACT OWNS A 1999 CADILLAC DEVILLE. WHILE DRIVING APPROXIMATELY 60 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE CONTACT HEARD A POPPING SOUND COMING FROM THE ENGINE AS STEAM ACCUMULATED ON THE WINDSHIELD. THE VEHICLE WAS NOT TAKEN TO THE DEALER FOR DIAGNOSTICS. THE CONTACT INSPECTED THE VEHICLE AND DISCOVERED THAT THE HEAD BOLTS HAD BECOME LOOSE FROM THE ENGINE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 94,000. UPDATED 10/21/11*LJ UPDATED 3/16/12 *CN
NHTSA ODI #10407148
Mileage unknown · Mar 31, 2011
Steering
IT IS VERY HARD TO MAKE A LEFT TURN AFTER A STOP AS IF THERE IS NO POWER STEERING. THERE IS NO PROBLEM WITH MAKING A RIGHT TURN. *TR
NHTSA ODI #10393822
Mileage unknown · Jan 14, 2011
Engine And Engine Cooling
1999 CADILLAC DEVILLE. CONSUMER STATES THAT THE VEHICLE PERSISTENTLY OVERHEATS AND THE ENGINE SHUTS OFF. *KB THE CONSUMER STATED THE VEHICLE WAS LEAKING COOLANT. THE THERMOSTAT, UPPER RADIATOR HOSE AND RESERVOIR WERE REPLACED. A DIAGNOSTIC TEST REVEALED EXHAUST WAS ENTERING THE COOLANT SYSTEM AND THE VEHICLE WOULD EMIT SMOKE…
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1999 CADILLAC DEVILLE. CONSUMER STATES THAT THE VEHICLE PERSISTENTLY OVERHEATS AND THE ENGINE SHUTS OFF. *KB THE CONSUMER STATED THE VEHICLE WAS LEAKING COOLANT. THE THERMOSTAT, UPPER RADIATOR HOSE AND RESERVOIR WERE REPLACED. A DIAGNOSTIC TEST REVEALED EXHAUST WAS ENTERING THE COOLANT SYSTEM AND THE VEHICLE WOULD EMIT SMOKE OF ANY COLOR. *JB
NHTSA ODI #10375888
71,850 miles · Oct 27, 2010
Suspension
TL*THE CONTACT OWNS A 1999 CADILLAC DEVILLE. THE CONTACT WAS DRIVING 35-40 MPH WHEN HE HEARD THE ANTI-LOCKS BRAKES EXHIBIT AN UNUSUALLY LOUD SQUEAKING AND HUMMING SOUND. THE CONTACT STATED THAT HE WAS A CERTIFIED MECHANIC AND HAD EXPERIENCED THE FAILURE EIGHT MONTHS AGO. THE CONTACT DISCOVERED THAT THE FAILURE WAS CAUSED BY THE …
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TL*THE CONTACT OWNS A 1999 CADILLAC DEVILLE. THE CONTACT WAS DRIVING 35-40 MPH WHEN HE HEARD THE ANTI-LOCKS BRAKES EXHIBIT AN UNUSUALLY LOUD SQUEAKING AND HUMMING SOUND. THE CONTACT STATED THAT HE WAS A CERTIFIED MECHANIC AND HAD EXPERIENCED THE FAILURE EIGHT MONTHS AGO. THE CONTACT DISCOVERED THAT THE FAILURE WAS CAUSED BY THE HUB ASSEMBLY, WHICH HE REPLACED. THE CONTACT STATED THAT THE HUB ASSEMBLY WAS IN NEED OF A SECOND REPLACEMENT. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 71,850 AND THE CURRENT MILEAGE WAS 72,000.
NHTSA ODI #10362683
18,000 miles · Apr 29, 2010
Steering
I OWN 2 1999 CADILLAC DEVILLE'S. ONE IN NY & ONE IN FL. BOTH VEHICLES HAD THE EXACT SAME PROBLEM. THE POWER STEERING PUMP HAD TO BE REPLACED IN BOTH CARS BECAUSE OF A GRINDING AND DIFFICULTY IN STEERING. THIS SEEMS TO BE DUE TO A DEFECT THAT SHOULD HAVE BEEN RECALLED BY GENERAL MOTORS, AND I SHOULD BE REIMBURSED MY COST OF ABO…
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I OWN 2 1999 CADILLAC DEVILLE'S. ONE IN NY & ONE IN FL. BOTH VEHICLES HAD THE EXACT SAME PROBLEM. THE POWER STEERING PUMP HAD TO BE REPLACED IN BOTH CARS BECAUSE OF A GRINDING AND DIFFICULTY IN STEERING. THIS SEEMS TO BE DUE TO A DEFECT THAT SHOULD HAVE BEEN RECALLED BY GENERAL MOTORS, AND I SHOULD BE REIMBURSED MY COST OF ABOUT $1000. FOR BOTH REPAIRS. *TR
NHTSA ODI #10328066
148,987 miles · Feb 25, 2010
Engine And Engine Cooling
TL*THE CONTACT OWNS A 1999 CADILLAC DEVILLE WITH A V8, 4.6 LITER NORTH STAR ALUMINUM ENGINE. HE STATED THAT AFTER DRIVING THE VEHICLE FOR 5 MINUTES, THE VEHICLE WOULD OVERHEAT. THIS WAS A FREQUENT FAILURE OCCURRING IN THE VEHICLE. THE VEHICLE WAS INSPECTED BY HIS INDEPENDENT MECHANIC AND FOUND THAT THE FLY-WHEEL FAILED AND THE R…
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TL*THE CONTACT OWNS A 1999 CADILLAC DEVILLE WITH A V8, 4.6 LITER NORTH STAR ALUMINUM ENGINE. HE STATED THAT AFTER DRIVING THE VEHICLE FOR 5 MINUTES, THE VEHICLE WOULD OVERHEAT. THIS WAS A FREQUENT FAILURE OCCURRING IN THE VEHICLE. THE VEHICLE WAS INSPECTED BY HIS INDEPENDENT MECHANIC AND FOUND THAT THE FLY-WHEEL FAILED AND THE RIGHT CYLINDER WAS MISSING THE SOFT PLUG BEHIND THE WATER PUMP. THE VEHICLE WAS ALSO FOUND TO BE LEAKING ANTI-FREEZE INTO THE ENGINE CYLINDERS AND THROUGH THE TAIL PIPE. THE TRANSMISSION WAS DROPPED IN ORDER TO REPLACE THE FLY-WHEEL AND THE FREEZE PLUG WAS ALSO REPLACED BY AN INDEPENDENT TRANSMISSION STATION. THE FAILURE PERSISTED. THE MANUFACTURER WAS CONTACTED AND THEY ADVISED HIM TO REPLACE THE ENGINE AT HIS OWN EXPENSE. NO ADDITIONAL REPAIRS WERE MADE TO THE VEHICLE. THE FAILURE MILEAGE WAS 148,987 AND THE CURRENT WAS APPROXIMATELY 149,000. THE VIN WAS NOT ACCEPTED.
NHTSA ODI #10314379
70,000 miles · Sep 25, 2009
Engine And Engine CoolingFire
TL* THE CONTACT OWNS A 1999 CADILLAC DEVILLE. THE CONTACT STATED THAT THE ENGINE MISFIRED, WHICH CAUSED AN ENGINE COMPARTMENT FIRE. THE VEHICLE WAS TAKEN TO THE DEALER, AND REPAIRED AT AN EXPENSE OF $4500.00. ONE YEAR AFTER THE REPAIR THE FAILURE RECURRED. HE CONTACTED THE DEALER AGAIN, BUT WAS ADVISED THAT BECAUSE THE WARRANTY …
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TL* THE CONTACT OWNS A 1999 CADILLAC DEVILLE. THE CONTACT STATED THAT THE ENGINE MISFIRED, WHICH CAUSED AN ENGINE COMPARTMENT FIRE. THE VEHICLE WAS TAKEN TO THE DEALER, AND REPAIRED AT AN EXPENSE OF $4500.00. ONE YEAR AFTER THE REPAIR THE FAILURE RECURRED. HE CONTACTED THE DEALER AGAIN, BUT WAS ADVISED THAT BECAUSE THE WARRANTY EXPIRED THEY WOULD NOT PROVIDE ANY ASSISTANCE. HE THEN ADDED THAT THEY WERE AWARE THAT NORTH STAR ENGINES ARE PRONE TO BACK-FIRING. NO REPAIRS WERE MADE. THE FAILURE MILEAGE WAS 52,000, THE CURRENT MILEAGE WAS 70,000. UPDATED 10/20/09 *CN THE CONSUMER ALSO STATED THE HEAD GASKET FAILED AS WELL. UPDATED 10/22/09
NHTSA ODI #10285240
86,629 miles · Mar 25, 2009
Engine And Engine Cooling
TL*THE CONTACT OWNS A 1999 CADILLAC DEVILLE. WHILE DRIVING AT AN UNKNOWN SPEED THE VEHICLE STALLED. THE DEALER PERFORMED A DIAGNOSTIC EVALUATION OF THE VEHICLE AND LOCATED A COOLANT AND WATER PUMP LEAK, AS WELL AS ENGINE FAILURE. THERE WAS PRESSURE BUILD-UP AND HEAD GASKET FAILURE, WHICH CONTRIBUTED TO THE FAILURE. THE DEALER…
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TL*THE CONTACT OWNS A 1999 CADILLAC DEVILLE. WHILE DRIVING AT AN UNKNOWN SPEED THE VEHICLE STALLED. THE DEALER PERFORMED A DIAGNOSTIC EVALUATION OF THE VEHICLE AND LOCATED A COOLANT AND WATER PUMP LEAK, AS WELL AS ENGINE FAILURE. THERE WAS PRESSURE BUILD-UP AND HEAD GASKET FAILURE, WHICH CONTRIBUTED TO THE FAILURE. THE DEALER ESTIMATED THAT THE REPAIRS WOULD COST OVER $3,000. ALTHOUGH THERE WAS A CUSTOMER SAFETY IMPROVEMENT CAMPAIGN, THE MANUFACTURER DENIED THE CONTACT'S CLAIM DUE TO THE CURRENT MILEAGE ON THE VEHICLE AND BECAUSE SHE WAS NOT THE ORIGINAL OWNER. THE CURRENT AND FAILURE MILEAGES WERE LESS THAN 86,629. UPDATED 04/29/30. *JB
NHTSA ODI #10263045