Problems · by component
1998 Cadillac Deville engine and engine cooling problems
34 owner complaints to NHTSA about the 1998 Cadillac Deville cite engine and engine cooling, 14% of all 242 complaints for this model year.
Complaints
34
14% of all complaints
Crashes
1
Reported by owners
Fires
0
Reported by owners
Injuries
2
Reported by owners
What owners say about the engine and engine cooling
Verbatim from NHTSA complaints, newest first
“CUSTOMER WAS DRIVING VEHICLE DOWN ROAD, ALL OF A SUDDEN COMING UP TO A STOPLIGHT CAR SUDDENLY DIED, AT THE SAME TIME WHITE SMOKE CAME BILLOWING OUT THE BACK OF THE CAR, IT CAUSED A TRAFFIC HAZARD IN WHICH NOBODY COULD SEE HER CAR, SHE WAS REARENDED, AS WELL AS THE GUY THAT REARENDED HER. THE OCCUPANT OF THE VEHICLE THAT REARENDED HER ENDED UP GETTING HIS NOSE BROKEN WHEN HE HIT HIS STEERING WHEEL. VEHICLE TAKEN TO DEALERSHIP AND WAS DETERMINED THAT THE REAR HEAD BOLTS HAD PULLED FROM THE BLOCK CAUSING THE HEAD TO SEPARATE FROM THE BLOCK OF THE VEHICLE, QUOTED $4500 TO REPAIR AND WAS TOLD THEY COULD NOT WARRANTY REPAIR BECAUSE IT IS A NORTHSTAR ENGINE. VEHICLE THEN BROUGHT TO ME TO GET IT REPAIRED. *TR”
“TL* THE CONTACT OWNS A 1998 CADILLAC DEVILLE. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS THE VEHICLE WOULD STALL DUE TO THE ENGINE OVERHEATING. THE FAILURE WOULD OCCUR WHENEVER THE VEHICLE WAS IN OPERATION FOR A FEW MINUTES. DURING THE FAILURES, THE ENGINE OVERHEAT LIGHT WOULD ILLUMINATE ON THE INSTRUMENT PANEL. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THE CONTACT WAS INFORMED THAT THE FREEZE PLUG NEEDED TO BE REPLACED. THE VEHICLE WAS ALSO TAKEN TO AN INDEPENDENT REPAIR SHOP WHERE THE CONTACT WAS INFORMED THAT THE HEAD GASKETS WERE WARPED. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 110,000 AND THE CURRENT MILEAGE WAS 111,000.”
“ONE NIGHT MY FAMILY AND I WERE DRIVING MY 1998 CADILLAC DEVILLE, AND ALL OF A SUDDEN THE HEATER COIL BURST WITHOUT WARNING, THE HEATER WAS NOT ON AND THE CAR WAS NOT RUNNING HOT. THE CAR FILLED WITH STEAM MAKING IT IMPOSSIBLE TO SEE ANYTHING, AND HOT SCALDING WATER AND ANTI-FREEZE POURED OUT FROM UNDER THE DASH BOARD RIGHT OVER THE GAS PEDDLE AND SCALDED MY RIGHT FOOT CAUSING SERIOUS BURNS AND LEAVING HORRIBLE SCARS. LUCKILY WE WERE TRAVELING ON A COUNTRY ROAD WITH LITTLE TO NO TRAFFIC. I AM RELIEVED THAT ME NOR MY FAMILY WAS SERIOUSLY INJURED OTHER THAN MY FOOT BEING BURNED. CAR DEALER WAS NOTIFIED, AND NOTHING WAS DONE. I FEEL LIKE THIS IS A VERY DANGEROUS MATTER THAT SHOULD BE LOOKED INTO AND HAVE SOMETHING DONE ABOUT IT. *TR”
“I HAVE A 1998 CADILLAC DEVILLE THAT I AM PUTTING THE 3RD ENGINE INTO THE CAR DUE TO A HEAD GASKET PROBLEM. MY PARENTS HAVE THE SAME CAR WITH THE SAME PROBLEM. I HAVE READ CLASSIFIEDS THAT CITIZENS WHO OWN THE SAME CAR ARE FORCED TO GIVE THE CAR AWAY BECAUSE OF THIS HEAD GASKET PROBLEM. ANYONE WHO CAN SERVICE THIS CAR (INCLUDING A CADILLAC DEALERSHIP) HAS ADMITTED THAT IT IS A VERY COMMON PROBLEM WITH THIS CAR, AND THAT THERE IS NO FINANCIALLY REASONABLE REPAIR, AND REPLACING THE ENGINE IS USUALLY THE ONLY RECOMMENDATION. MY UNDERSTANDING IS THAT CADILLAC RECOGNIZED THIS PROBLEM, AND MADE A CORRECTION TO THESE NORTH STAR ENGINES IN THE YEAR 2000. THIS IS OBVIOUSLY A CADILLAC BLUNDER THAT IS PROVEN COSTLY, BUT THE COST IS ONLY BEING ABSORBED BY THE CUSTOMER. I AM ALL FOR BEING ACCOUNTABLE, BUT HAVING THE CHOICES OF PUTTING A 3RD ENGINE IN THE CAR OR JUNKING WOULD BE DEEMED AS EXTREME. WHY IS CADILLAC NOT RECALLING THIS PARTICULAR YEAR CARS ENGINE? I AM SURE THAT ANY RESEARCH THAT YOU CONDUCT WILL SHOW AN ABUNDANCE OF THIS PROBLEM. WHAT PROTECTION DOES THE CONSUMER HAVE IN THIS REGARDS? *TR”
“COMPONENT: ENGINE AND ENGINE COOLING:ENGINE DETAILS: THE FAILURE OCCURS IN NORMAL USE. THE CONSEQUENCE IS POSSIBLE ENGINE DAMAGE. THE DEALER HAS REFUSED TO REPAIR THIS OBVIOUS AND COMMON MANUFACTURING FLAW IN THE NORTHSTAR ENGINE. THE SITUATION, BECAUSE THIS IS THE SAME ENGINEER IS THE SAME THAT IS DESCRIBED IN NHTSA RECALL NUMBER 99086: DATE: 12/01/1999 COMPONENT NAME: 061000 ENGINE AND ENGINE COOLING:ENGINE NHTSA #: 99086 SUMMARY: SOME VEHICLES MAY EXHIBIT A CONDITION IN WHICH THE CYLINDER HEAD BOLTS MAY BECOME LOOSE AND CAUSE COOLANT LEAKS AND POSSIBLE ENGINE DAMAGE. *TR”
“THE FAILURE OCCURS IN NORMAL USE. THE CONSEQUENCE IS POSSIBLE ENGINE DAMAGE. THE DEALER HAS REFUSED TO REPAIR THIS OBVIOUS AND COMMON MANUFACTURING FLAW IN THE NORTHSTAR ENGINE. THE SITUATION, BECAUSE THIS IS THE SAME ENGINEER IS THE SAME THAT IS DESCRIBED IN NHTSA RECALL NUMBER 99086: DATE: 12/01/1999 COMPONENT NAME: 061000 ENGINE AND ENGINE COOLING:ENGINE NHTSA #: 99086 SUMMARY: SOME VEHICLES MAY EXHIBIT A CONDITION IN WHICH THE CYLINDER HEAD BOLTS MAY BECOME LOOSE AND CAUSE COOLANT LEAKS AND POSSIBLE ENGINE DAMAGE. *TR”
Showing 6 of 34 reports. Read every report on NHTSA.gov.
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 28, 2026NHTSA vehicle page
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.