Problems · NHTSA complaints

1998 Cadillac Seville problems

Owners filed 65 complaints about the 1998 Cadillac Seville with NHTSA between Jun 1998 and May 2017. The most-cited component is engine and engine cooling (20).

Complaints
65
Filed with NHTSA
Crashes
3
Reported by owners
Fires
3
Reported by owners
Injuries
5
People reported injured
Deaths
0
Reported to NHTSA
01 —By component

Complaints by component

One complaint can cite several components
  1. Engine and engine cooling20
  2. Steering10
  3. Suspension6
  4. Exterior lighting6
  5. Visibility5
  6. Air bags5
  7. Service brakes, hydraulic4
  8. Seat belts4
  9. Electrical system3
  10. Equipment2
  11. Power train2
  12. Engine1
  13. Visibility/wiper1
  14. Fuel system, gasoline1

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

Data from NHTSA Complaints API · synced Nov 11, 2026NHTSA vehicle page
02 —Trend

When complaints were filed

Does it get worse with age? Complaints per calendar year filed
View as table
Model yearComplaints filed per calendar year
19982
199912
20005
20011
200211
20039
20049
20053
20063
20073
20081
20092
20100
20111
20121
20130
20140
20150
20161
20171

Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.

03 —Owner reports

Top problems in owners’ words

Verbatim from NHTSA complaints, newest first

Engine and engine cooling

20 reports2 fires
“TL* THE CONTACT OWNS A 1998 CADILLAC SEVILLE. THE CONTACT STATED THAT WHENEVER THE VEHICLE STOPPED OR DRIVING VARIOUS SPEEDS, THE ENGINE WOULD OVERHEAT AND A MESSAGE INFORMING HIM TO ADD COOLANT WOULD DISPLAY ON THE INSTRUMENT PANEL. THE ENGINE COOLANT WAS ROUTINELY ADDED TO THE VEHICLE, BUT THE FAILURE CONTINUED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT REPAIR SHOP WHERE THE CONTACT WAS ADVISED TO REPLACE THE MOTOR. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 138,000 AND THE CURRENT MILEAGE WAS 140,000.”
Owner complaint to NHTSAFiled Jul 19, 2011Engine and engine coolingODI 10413517

Steering

10 reports1 crash
“TL* THE CONTACT OWNS A 1998 CADILLAC SEVILLE. WHILE DRIVING APPROXIMATELY 30 MPH, THE CONTACT HEARD A LOUD WHINING NOISE COMING FROM THE STEERING WHEEL. THE STEERING WHEEL BECAME DIFFICULT TO MANEUVER AS THE WHEEL SEIZED WITHOUT WARNING. THE CONTACT STATED THAT AS THE STEERING FAILED, ANOTHER VEHICLE CRASHED INTO THE REAR OF HER VEHICLE. THERE WERE NO REPORTED INJURIES. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC FOR DIAGNOSTIC TESTING. THE CONTACT WAS NOT AWARE OF WHAT REPAIRS WOULD BE NEEDED. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 85,000.”
Owner complaint to NHTSAFiled Mar 30, 2012SteeringCrash reportedODI 10453544

Suspension

6 reports1 crash
“I HAVE A 1998 CADILLAC SEVILLE SLS AND WAS GOING THROUGH LEFT CURVE ON ROAD 40-45 MPH RIGHT REAR AXLE BROKE, CAUSING CAR TO SPIN LEFT THEN RIGHT. PARALLEL TO ROAD ON THE RIGHT AND CRASHING INTO A BIG ROCK BETWEEN TWO PONDS THAT SAVED MY LIFE. CAR HAD 70,000 MILES ON IT. IS THERE ANY ONE ELSE THAT HAD A REAR AXLE BREAK BEHIND THE ROTOR? PLEASE CONTACT ME. *TR”
Owner complaint to NHTSAFiled Jun 3, 2009SuspensionCrash reportedODI 10272817

Exterior lighting

6 reports
“THE UPPER MOUNT TAIL LIGHT IS NOT LIGHTING. I HAVE SINCE FOUND AFTER SEARCHING THE INTERNET THAT THERE IS A 100% FAILURE RATE OF THE LED DISPLAY IN THESE UPPER TAIL LIGHT OF THE CADILLAC. I OWN A 1998 CADILLAC SEVILLE SLS WHICH HAS THE LEFT HALF OF THE UPPER MOUNT BRAKE LIGHT OUT. THERE ARE REFERENCE THAT THE BRAKE STRIP FAILURE IS DUE TO MOISTURE THAT GETS IN THE STRIP. PLEASE INVESTIGATE BECAUSE IF THIS HAPPENS TO MANY PEOPLE THERE SHOULD BE A RECALL FOR THESE BRAKE LIGHTS. PLEASE LET ME KNOW WHAT YOU FIND OUT. THE LED DISPLAY WAS MANUFACTURED BY STANLEY ELECTRONICS (I FOUND THAT OUT ON THE INTERNET). *JB”
Owner complaint to NHTSAFiled Jan 15, 2006Exterior lightingODI 10147810

Visibility

5 reports1 related recall
“TL*THE CONTACT OWNS A 1998 CADILLAC SEVILLE. IN INCLEMENT WEATHER CONDITIONS, THE WINDSHIELD WIPER MOTOR'S 'LOW' SPEED FUNCTION BECOMES INOPERATIVE. THE FAILURE OCCURS WHEN THE MOTOR IS SWITCHED FROM 'HIGH' TO 'LOW' SPEED. THE DEALER STATED THAT THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN ID NUMBER 98V144000 (VISIBILITY:WINDSHIELD WIPER/WASHER); THEREFORE, THEY WOULD NOT ASSUME ANY FINANCIAL RESPONSIBILITY FOR THE REPAIR. THE VEHICLE HAS NOT BEEN REPAIRED. THE FAILURE MILEAGE WAS 80,000 AND CURRENT MILEAGE WAS 130,000.”
Owner complaint to NHTSAFiled Jan 6, 2009VisibilityODI 10253977

Air bags

5 reports1 crash
“WHILE THE VEHICLE WAS PARKED BOTH FRONTAL DRIVER'S SIDE AND PASSENGER SIDE AIR BAGS DEPLOYED. NO INJURIES REPORTED. CONSUMER DROVE THE VEHICLE TO THE DEALER FOR INSPECTION, AND MECHANIC COULD NOT DUPLICATE THE PROBLEM. *AK THE AIR BAG HIT THE CONSUMER IN THE FACE. *SC”
Owner complaint to NHTSAFiled Sep 14, 2004Air bagsODI 10084058
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 11, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.