Problems · by component
2002 Cadillac Deville engine and engine cooling problems
25 owner complaints to NHTSA about the 2002 Cadillac Deville cite engine and engine cooling, 14% of all 182 complaints for this model year.
Complaints
25
14% of all complaints
Crashes
0
Reported by owners
Fires
0
Reported by owners
Injuries
0
Reported by owners
What owners say about the engine and engine cooling
Verbatim from NHTSA complaints, newest first
“TL* THE CONTACT OWNS A 2002 CADILLAC DEVILLE. THE CONTACT STATED THAT THE VEHICLE WOULD OVERHEAT. THE VEHICLE WAS TAKEN TO A DEALER WHERE THE TECHNICIAN DIAGNOSED THAT THE INNER HEAD GASKET NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 100,000.”
“TL*THE CONTACT OWNS A 2002 CADILLAC DEVILLE. THE CONTACT STATED THAT WHEN THE VEHICLE WAS SHIFTED INTO GEAR, THE ENGINE STABILITY LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER FIVE TIMES AND THE ENGINE STABILITY LIGHT WAS RESET. THE REPAIRS WERE COVERED BY THE WARRANTY. DURING THE MOST RECENT APPOINTMENT WITH THE DEALER THEY INFORMED THE CONTACT THAT A MECHANICAL SWITCH WAS DEFECTIVE AND NEEDED TO BE REPLACED AT HIS EXPENSE. THE FAILURE MILEAGE WAS APPROXIMATELY 40,000. THE CURRENT MILEAGE WAS APPROXIMATELY 70,000.”
“TL*THE CONTACT OWNS A 2002 CADILLAC DEVILLE. WHILE DRIVING 55 MPH, THE VEHICLE SUDDENLY SHUT OFF WITHOUT WARNING. THE VEHICLE HAS NOT BEEN DIAGNOSED BY THE DEALER AND THERE WERE NO PRIOR WARNINGS. THE CURRENT AND FAILURE MILEAGES WERE 55000. UPDATED 10/13/09. *LJ UPDATED 10/13/09”
“TL*THE CONTACT OWNS A 2002 CADILLAC DEVILLE. WHILE DRIVING VARIOUS SPEEDS, ACCELERATING, OR DRIVING UPHILL OR DOWNHILL, THE VEHICLE HESITATES AND PERFORMS AS IT IF WANTS TO STALL. IN ADDITION, IT TAKES A LONG TIME FOR THE GEAR TO SHIFT. THE FIRST TIME THE FAILURES OCCURRED, THE CONTACT TOOK THE VEHICLE TO A REPAIR SHOP AND WAS INFORMED THAT THE INTAKE MANIFOLD FAILED. THE VEHICLE WAS REPAIRED, BUT THE FAILURE CONTINUED. THE DEALER HAS NOT BEEN NOTIFIED. THE CONTACT IS AFRAID TO DRIVE THE VEHICLE. THE FAILURE MILEAGE WAS UNKNOWN AND THE CURRENT MILEAGE WAS 142,790.”
“2002 DEVILLE BOUGHT IS USED WITH 46,000 MILES AFTER DRIVING IT 1,500 MILES I NOTICED IT USED 3 QUARTS OF OIL. EVERYONE I ASK SAYS IT IS EXCESSIVE AND I AGREE I CAN NOT GET THIS TAKEN CARE OF ON MY OWN AND I OWE TOO MUCH MONEY ON THE CAR TO GET RID OF IT. CADILLAC SHOULD FIX THIS PROBLEM I HAVE TALKED TO OTHER INDIVIDUALS AND THEY HAD THE SAME PROBLEM WITH ONE CAR HAVING BLOWN THE ENGINE. HE NOW DRIVES A TOYOTA AVALON. *TR”
“1. NO WARNING 2. ENGINE WILL STALL FOR NO REASON AT ANY SPEED. COULD CAUSE VEHICLE TO WRECK RESULTING IN DEATH. HAS HAPPENED NUMEROUS TIMES WITH THE LOSS OF ALL POWER HAS RESULTED IN RUNNING THROUGH STOPLIGHTS AND SIGNS BECAUSE COULD NOT BRAKE PROPERLY. 3. TOOK TO DEALER FOR DIANO STATED CRANKSHAFT SENSOR NEEDED TO BE REPLACED. HAVE REPLACED TWICE NOW. *TR”
Showing 6 of 25 reports. Read every report on NHTSA.gov.
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 30, 2026NHTSA vehicle page
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.