NHTSA owner reports · September 18, 2026 snapshot.
Engine And Engine Cooling complaints
47 reportsClear category filter140,000 miles · Jul 9, 2011
Engine And Engine Cooling
MY CAR WAS OVERHEATING. I HAD THE WATER PUMP REPLACED AND THE RADIATOR AND IT CONTINUED TO OVER HEAT. I TOOK IT TO THE DEALERSHIP WHERE THEY TOLD ME THAT I MY CROSS OVER PIPES WERE LEAKING AND I WOULD NEED A NEW ENGINE. I FOUND THIS VERY HARD TO BELIEVE WHEN I HAVE TAKEN SUCH GOOD CARE OF THE MY CARE WITH SCHEDULED OIL CHANGE…
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MY CAR WAS OVERHEATING. I HAD THE WATER PUMP REPLACED AND THE RADIATOR AND IT CONTINUED TO OVER HEAT. I TOOK IT TO THE DEALERSHIP WHERE THEY TOLD ME THAT I MY CROSS OVER PIPES WERE LEAKING AND I WOULD NEED A NEW ENGINE. I FOUND THIS VERY HARD TO BELIEVE WHEN I HAVE TAKEN SUCH GOOD CARE OF THE MY CARE WITH SCHEDULED OIL CHANGES AND THE WORKS. I LOVE MY CAR AND I DON'T WANT TO GET RID OF IT, PLEASE HELP ME. *TR
NHTSA ODI #10411633
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 · 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
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
40,000 miles · Mar 14, 2009
Engine And Engine Cooling
1999 CADILLAC, REPEATEDLY STALLS WHEN DECELERATING. DANGEROUS ON EXIT RAMPS!. FOUND THREE SIMILAR COMPLAINTS ON THIS SITE. ODI ID'S 10149696, 10119213 AND 10094677. HAVE TAKEN CAR TO DEALER(S) AND INDEPENDENT SHOPS AND NO PROBLEMS CAN BE FOUND. *TR
NHTSA ODI #10261830
181,200 miles · Feb 7, 2009
Engine And Engine CoolingInjury
IM DISABLE I DRIVE WITH HAND CONTROL. AS I WAS DRIVEN I NOTICE A BURNING SMELL . AND THEN MY FRONT WINDOW FROG UP WITH STEAM. AND THEN I HEARD THIS LOAD BUM. MY FOOT JUST START JUMPING AROUND AND I LOOK DOWN THERE WERE A PILE OF WATER HOT . I PULL OVER AND NOTICE THAT THE HEATER CORE HAD BURST WHICH LEFT ME WITH A SECOND AND THI…
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IM DISABLE I DRIVE WITH HAND CONTROL. AS I WAS DRIVEN I NOTICE A BURNING SMELL . AND THEN MY FRONT WINDOW FROG UP WITH STEAM. AND THEN I HEARD THIS LOAD BUM. MY FOOT JUST START JUMPING AROUND AND I LOOK DOWN THERE WERE A PILE OF WATER HOT . I PULL OVER AND NOTICE THAT THE HEATER CORE HAD BURST WHICH LEFT ME WITH A SECOND AND THIRD DEGREE BURN ON MY RIGHT FOOT. I HAVE NOT REPAIR THE CAR YET . *TR
NHTSA ODI #10257799
Mileage unknown · Nov 11, 2008
Engine And Engine Cooling
WHILE DRIVING VEHICLE REACHED HIGH TEMPERATURES. HAD RADIATOR REPLACED AND THERMOSTAT. THE CAR STILL OVERHEATS. TOOK THE CAR TO TECHNICIAN WHO SUGGESTED TO REPLACE THE ENGINE WHICH WOULD COST $7,000. THROUGH ONLINE RESEARCH, MY DAUGHTER DISCOVERED THE CADILLAC DEVILLE 1999 NORTHSTAR MODEL/VEHICLE HAS NUMEROUS ISSUES DUE TO OVERH…
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WHILE DRIVING VEHICLE REACHED HIGH TEMPERATURES. HAD RADIATOR REPLACED AND THERMOSTAT. THE CAR STILL OVERHEATS. TOOK THE CAR TO TECHNICIAN WHO SUGGESTED TO REPLACE THE ENGINE WHICH WOULD COST $7,000. THROUGH ONLINE RESEARCH, MY DAUGHTER DISCOVERED THE CADILLAC DEVILLE 1999 NORTHSTAR MODEL/VEHICLE HAS NUMEROUS ISSUES DUE TO OVERHEATING AND HEAD GASKETS. *TR
NHTSA ODI #10248410