*Median odometer reading when the problem happened, where owners gave one. One complaint can name several problem areas.
Fuel/propulsion system
The hard fuel rail line has begun to leak and no GM dealers carries parts to resolve problem. The 1999 STS Cadillac is in good working condition but because of the leak, it is unsafe to drive.
Apr 29, 2022Engine
TL* THE CONTACT OWNS A 1999 CADILLAC SEVILLE. THE CONTACT STATED THAT AFTER THE VEHICLE WAS STARTED, THE TEMPERATURE GAUGE DISPLAYED THAT THE VEHICLE WAS OVERHEATING. THE VEHICLE WAS NOT DIAGNOSED HOWEVER, THE TEMPERATURE GAUGE AND THE WATER PUMP WAS REPLACED BUT THE FAILURE RECURRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 294,853.
Apr 30, 2016 · 294,853 milesElectrical systemFire
TL* THE CONTACT OWNS A 1999 CADILLAC SEVILLE. THE CONTACT STATED THAT THERE WAS OIL LEAKING FROM THE VEHICLE. IN ADDITION, THERE WAS SMOKE AND AN ABNORMAL ODOR. THE EXHAUST MANIFOLD AND THE ENGINE WERE BEING AFFECTED BY THE FAILURE WHICH COULD RESULT IN A FIRE. THE VEHICLE WAS TAKEN TO THE DEALER WHO REPLACED ELEVEN GASKETS WITHIN THE ENGINE, BUT THE FAILURE RECURRED. THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 99V070000 (ELECTRICAL SYSTEM). THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 103,000. UPDATE 1/13/16 LN *JS
Nov 10, 2014 · 103,000 milesElectrical systemFire1 injury
MY SON ALMOST DIED ON OCTOBER 25, 2013 IN HIS 1999 CADILLAC SEVILLE IN OUR DRIVEWAY WHILE HE WAS RELAXING IN IT WITH HIS DOG. HE HAD FALLEN ASLEEP WAITING FOR HIS MOTHER/MY WIFE AND THE ENGINE CAUGHT FIRE. HE NEEDED TO CLIMB OUT OF WINDOW AND PULL HIS DOG THROUGH THE WINDOW. HE INJURED HIMSELF AND WENT TO HOSPITAL. THE FIRE WAS SO INTENSE THAT THE ENGINE FELL APART FROM HEAT, THE CABIN WAS DESTROYED, FRONT TIRES ARE GONE/MELTED WHILE TRUNK AND GAS TANK WERE RELATIVELY FINE. THE POLICE AND FIRE DEPARTMENTS RESPONDED TO THIS DISASTER IN OUR DRIVEWAY. MY SON ALSO LOST VARIOUS PERSONAL POSSESSIONS AND HIS TRANSPORTATION TO WORK. IT HAS BEEN SEVERAL MONTHS SINCE MY SON'S NEAR DEATH EXPERIENCE…
Oct 25, 2013Electrical system
WHEN I DRIVE AT ANY SPEED RANDOMLY THE GAS GAUGE GOES TO EMPTY,WINDOWS DON'T WORK, AC GOES OFF BUT FAN STILL BLOWS, POWER LOCKS DON'T WORK, LIGHTS STAY ON WHEN I STOP AND GET OUT, BUT WHEN I PUT THE KEY BACK IN AND TURN IT TO THE "ON" POSITION AND BACK OFF EVERYTHING WORKS AGAIN MY BATTERY WENT DEAD A FEW TIMES DUE TO THE LIGHTS STAYING ON AND MY GIRLFRIEND NOT KNOWING WHAT'S GOING ON...WHAT IS THAT!!!!! *JB
Jun 7, 2012 · 88,000 milesService brakes, hydraulicCrash
APPLIED BRAKES AND FRONT END DID NOT DIP AS IT SHOULD HAVE; NO GRIPPING AS IT SHOULD HAVE; FELT GRINDING AND SLIPPAGE AS VEHICLE CONTINUED FORWARD WITHOUT LOSING ANY MOMENTUM. THERE WAS SUFFICIENT STOPPING DISTANCE THAT VEHICLE SPEED SHOULD HAVE BEEN REDUCED AND STOPPED. *TR
Feb 16, 2012 · 71,000 milesEngine 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 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.
Oct 17, 2009 · 76,000 milesElectrical system
TL*THE CONTACT OWNS A 1999 CADILLAC SEVILLE. WHILE DRIVING AT APPROXIMATELY 45 MPH, THE ELECTRICAL COMPONENT THAT CONTROLLED THE STEERING AND BRAKES SUDDENLY FAILED. THE CONTACT PULLED OVER AND RESTARTED THE VEHICLE WHICH SEEMED TO SOLVE THE PROBLEM. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALERSHIP WHERE THE CONTACT WAS INFORMED THAT THE ECM (ELECTRONIC CONTROL MODULE) NEEDED TO BE REPLACED. HE CALLED THE MANUFACTURER BUT WAS TOLD THAT THEY COULD NOT ASSIST HIM WITH THE REPAIR COSTS. THE CURRENT AND FAILURE MILEAGES WERE 50,142.
Apr 15, 2010 · 50,142 miles
Owner complaints are submitted to NHTSA by the public and are not verified. Shown as filed (NHTSA removes personal details); long reports are shortened.