NHTSA owner reports · September 18, 2026 snapshot.
Engine And Engine Cooling complaints
23 reportsClear category filter76,000 miles · Oct 15, 2010
Engine And Engine Cooling
TL* THE CONTACT OWNS A 1999 CADILLAC SEVILLE STS. THE CONTACT WAS DRIVING 25 MPH WHEN THE VEHICLE BEGAN TO OVERHEAT ABNORMALLY. THE CONTACT TOOK THE VEHICLE TO THE DEALER TO HAVE THE GASKET REPLACED AROUND THE COOLING SYSTEM YET THE FAILURE RECURRED. THE VEHICLE WAS TAKEN BACK TO THE DEALER WHERE THE CONTACT WAS INFORMED THAT …
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TL* THE CONTACT OWNS A 1999 CADILLAC SEVILLE STS. THE CONTACT WAS DRIVING 25 MPH WHEN THE VEHICLE BEGAN TO OVERHEAT ABNORMALLY. THE CONTACT TOOK THE VEHICLE TO THE DEALER TO HAVE THE GASKET REPLACED AROUND THE COOLING SYSTEM YET THE FAILURE RECURRED. THE VEHICLE WAS TAKEN BACK TO THE DEALER WHERE THE CONTACT WAS INFORMED THAT THE ENGINE WOULD NEED TO BE REPLACED. THE CONTACT CALLED THE MANUFACTURER REGARDING THE ENGINE REPLACEMENT AND THE MANUFACTURER INFORMED THE CONTACT THAT THEY WERE UNABLE TO PROVIDE ANY ASSISTANCE. THE CONTACT STATED THE MANUFACTURER SHOULD BE HELD RESPONSIBLE FOR THE REPAIRS. THE FAILURE MILEAGE WAS 76,000.
NHTSA ODI #10360661
96,000 miles · Jun 7, 2009
Engine And Engine Cooling
THIS MAY BE NOTHING YOU CAN HELP WITH, HOWEVER THE NORTHSTAR ENGINES MADE BY GM HAVE HAD A DEFECT FOR MANY, MANY YEARS. THERE ARE NO RECORDS THAT YOU HAVE CHECKED INTO THE PROBLEMS WITH THIS. IT REGARDS THE HEAD GASKETS BREAKING AT AN ALARMING AND CONSISTENT RATE FOR THE PAST 10 YEARS! ASK ANY MECHANIC ABOUT THIS. AROUND 100,000…
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THIS MAY BE NOTHING YOU CAN HELP WITH, HOWEVER THE NORTHSTAR ENGINES MADE BY GM HAVE HAD A DEFECT FOR MANY, MANY YEARS. THERE ARE NO RECORDS THAT YOU HAVE CHECKED INTO THE PROBLEMS WITH THIS. IT REGARDS THE HEAD GASKETS BREAKING AT AN ALARMING AND CONSISTENT RATE FOR THE PAST 10 YEARS! ASK ANY MECHANIC ABOUT THIS. AROUND 100,000 MILES ON THE ENGINE THE HEAD GASKETS BREAK, AND COOLANT LEAKS INTO THE ENGINE. NO ONE WILL REPLACE THE GASKETS. ALL YOU CAN DO IS SPEND A SMALL FORTUNE ($5,000 TO $9,000) ON A NEW ENGINE. A WASTE OF MONEY SINCE THE NEXT NORTHSTAR ENGINE WILL PROBABLY DO THE SAME THING. THIS IS SOMETHING THAT GM KNOWS ABOUT AND CONTINUES TO IGNORE. NO WONDER THEY ARE GOING OUT OF BUSINESS. AFTER 100 YEARS THEY STILL CANNOT PRODUCE A RELIABLE ENGINE! IF YOU EXPECT AMERICANS TO CONTINUE BUYING AMERICAN CARS, ESPECIALLY CADILLACS, PLEASE DO SOME RESEARCH ON THIS. YOU CAN FIND LETTERS WRITTEN BY SEVILLE OWNERS ON THE WEB ABOUT THIS. I AM MOST CERTAINLY NOT THE ONLY ONE, JUST ONE OF MANY, MANY LEMON OWNERS. HOPING YOU CARE ENOUGH TO HAVE LISTENED AND CHECK THIS OUT, SINCERELY *TR
NHTSA ODI #10273047
Mileage unknown · Nov 28, 2006
Engine And Engine Cooling
CAR STALLED (DIED) WHILE EXITING HWY ON EXIT RAMP; LOST PWR STEERING, BRAKES, AND WAS LUCKY TO COME TO A STOP WITHOUT INJURY. THIS HAPPENS EVERY FEW MONTHS AND DEALERS CANNOT REPEAT OR FIND THE PROBLEM. *NM
NHTSA ODI #10174610
119,500 miles · Jun 2, 2005
Engine And Engine CoolingFuel System, Gasoline
WHILE DRIVING AT HIGHWAY SPEED, MOSTLY WHEN SLOWING DOWN QUICKLY, VEHICLE STALLS & DIES. WHEN THIS OCCURS VEHICLE LOSES ALL POWER. HAPPENS EVERY FEW WEEKS; STARTS RIGHT UP AGAIN AFTER COMING TO STOP, BUT IT'S DIFFICULT TO STOP BECAUSE NO POWER BRAKES, STEERING, ETC. VERY DANGEROUS. I WANT THIS TO BE A RECORD OF THE PROBLEM IN…
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WHILE DRIVING AT HIGHWAY SPEED, MOSTLY WHEN SLOWING DOWN QUICKLY, VEHICLE STALLS & DIES. WHEN THIS OCCURS VEHICLE LOSES ALL POWER. HAPPENS EVERY FEW WEEKS; STARTS RIGHT UP AGAIN AFTER COMING TO STOP, BUT IT'S DIFFICULT TO STOP BECAUSE NO POWER BRAKES, STEERING, ETC. VERY DANGEROUS. I WANT THIS TO BE A RECORD OF THE PROBLEM IN CASE I AM KILLED IN ACCIDENT FOLLOWING AN OCCURANCE OF THIS TYPE.
NHTSA ODI #10123885
31,000 miles · Jan 7, 2005
Engine And Engine Cooling
I SERVICED MY 1999 CADILLAC SEVILLE IN NOVEMBER 2004. IT ONLY HAS 31,000 MILES AND IS DRIVEN ON FREEWAY ONLY. THE CAR STALLED FOR NO REASON WHEN I LAST DROVE IT AND NOW WILL NOT START. BATTERY IS FINE, POWER KICKS ON BUT ENGINE WILL NOT RESPOND. THIS IS FRIGHTENING AS IT DIES WHILE I WAS IN AN INTERSECTION DURING A U-TURN. WARRA…
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I SERVICED MY 1999 CADILLAC SEVILLE IN NOVEMBER 2004. IT ONLY HAS 31,000 MILES AND IS DRIVEN ON FREEWAY ONLY. THE CAR STALLED FOR NO REASON WHEN I LAST DROVE IT AND NOW WILL NOT START. BATTERY IS FINE, POWER KICKS ON BUT ENGINE WILL NOT RESPOND. THIS IS FRIGHTENING AS IT DIES WHILE I WAS IN AN INTERSECTION DURING A U-TURN. WARRANTY JUST EXPIRED AND I WILL BE TAKING IT TO THE DEALER 1/10 (AT MY COST). I THINK THEY SHOULD STEP UP TO THE PLATE. IT WAS NOT SURPRISING TO SEE 7 OTHER COMPLAINTS AGAINST THE SAME YEAR'S MODEL.*AK
NHTSA ODI #10105922
33,000 miles · Nov 24, 2003
Engine And Engine Cooling
WHILE DRIVING AT ANY SPEED, THE VEHICLE STALLED WITH OUT ANY WARNING. AFTER A FEW MINUTES THE VEHICLE WOULD START UP AS IF NOTHING HAD HAPPENED. THE VEHICLE HAD BEEN TO THE DEALER FOR THIS PROBLEM TWICE ALREADY FOR THIS SAME PROBLEM AND NEEDED TO GO TO THE SHOP AGAIN. THE MANUFACTURER IS AWARE OF THE PROBLEM. *JB
NHTSA ODI #10048542
Mileage unknown · Nov 19, 2003
Electrical SystemEngine And Engine Cooling
PROBLEMS WITH VEHICLE'S ENGINE AND DASHBOARD LIGHTS.*MR THE DEALERSHIP NEVER DID CORRECT THE DASHBOARD LIGHT PROBLEM. THE ENGINE WOULD DIE WITH OUT WARNING AND AT TIMES WHILE THE CONSUMER WAS MAKING A TURN. THE CONSUMER TOOK THE VEHICLE TOOK ANOTHER DEALERSHIP, WHO FIXED ALL THE PROBLEMS, HOWEVER THE ENGINE CONTINUED TO STAL…
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PROBLEMS WITH VEHICLE'S ENGINE AND DASHBOARD LIGHTS.*MR THE DEALERSHIP NEVER DID CORRECT THE DASHBOARD LIGHT PROBLEM. THE ENGINE WOULD DIE WITH OUT WARNING AND AT TIMES WHILE THE CONSUMER WAS MAKING A TURN. THE CONSUMER TOOK THE VEHICLE TOOK ANOTHER DEALERSHIP, WHO FIXED ALL THE PROBLEMS, HOWEVER THE ENGINE CONTINUED TO STALL, THE DEALER WAS UNABLE TO DIAGNOSIS THE ENGINE STALLING BECAUSE THERE WAS A PROBLEM WITH THE CODING, WHICH MEANT THE COMPUTER DID NOT RECOGNIZE THE PROBLEM. *JB *NM
NHTSA ODI #10048489
39,000 miles · Nov 13, 2003
Engine And Engine Cooling
WHILE DRIVING AT ANY SPEED, BUT MOSTLY WHEN SLOWING DOWN, VEHICLE DIED. WHEN THIS OCCURRED VEHICLE LOST ALL POWER, ALMOST RESULTED IN A REAR END COLLISION. ALTHOUGH DEALERSHIP SERVICED THE VEHICLE 6 TIMES IT WAS UNABLE TO RESOLE THE PROBLEM. *AK
NHTSA ODI #10047907
Mileage unknown · Jul 21, 2003
Engine And Engine Cooling
WHILE DRIVING AT ANY SPEEDS VEHICLE WILL STALL OUT WITHOUT WARNING. HAD VEHICLE SERVICED SEVERAL TIMES BY DEALERSHIP, THEY COULD NOT LOCATE CAUSE OF PROBLEM.*AK
NHTSA ODI #10029702
Mileage unknown · Jul 16, 2003
Engine And Engine Cooling
WHILE DRIVING HEARD A KNOCKING NOISE. TOOK VEHICLE INTO THE DEALER, AND DEALER STATED NOISE WAS COMING FROM THE PISTON RING, HOWEVER THEY COULDN'T FIX BECAUSE NO PART WAS AVAILABLE. *AK
NHTSA ODI #10029453