Problems · by component

1997 Mercury Cougar engine and engine cooling problems

30 owner complaints to NHTSA about the 1997 Mercury Cougar cite engine and engine cooling, 38% of all 79 complaints for this model year.

Complaints
30
38% of all complaints
Crashes
0
Reported by owners
Fires
0
Reported by owners
Injuries
0
Reported by owners
01 —Owner reports

What owners say about the engine and engine cooling

Verbatim from NHTSA complaints, newest first
“MY VEHICLES BECAME TOTALLY DISABLED ON A VERY BUSY HIGHWAY WITH HEAVY AFTER HOURS RUSH HOUR TRAFFIC. THE MANIFOLD WHICH IS MADE OF PLASTIC BROKE WERE THE COOLANT TEMPERATURE SENSOR WAS BUILT IN, I ALSO NOTICED THAT A FEW SPARKPLUGS WERE FLOODED WITH COOLANT. I FOUND OUT THAT THERE WAS A LAWSUIT ON THESE VEHICLES BUT NO ONE KNEW ABOUT IT AND ONLY FLEET VEHICLES WERE COVERED AND NOT CIVILIAN VEHICLES. I WONDER IF THERE IS ANY CHANCE FOR ME TO SEEK A DEALERSHIP AND GET REIMBURSED FOR THESE DAMAGES. *TR”
Owner complaint to NHTSAFiled Jun 23, 2013Engine and engine cooling, Power trainODI 10521303
“I UNDERSTAND THERE WAS A CLASS ACTION SUIT DUE TO A FAULTY INTAKE MANIFOLD ON MANY FORD CARS WITH A 4.6 LITER ENGINE. I OR MY KIDS HAVE OWNED A 1997 MERCURY COUGAR SINCE NEW. RECENTLY THIS CAR WHICH HAD BEEN IN STORAGE FOR SEVERAL YEARS WAS GIVEN TO MY SON WHO IS LAID OFF AND ATTEMPTING TO COMPLETE HIS BACHELORS DEGREE. I SPENT MONEY TO REPAIR SENSOR, FREEZEPLUG AND HE PUT NEW TIRES ON THIS CAR. I AM WRITING BECAUSE I CONTACTED FORD ABOUT THIS DEFECTIVE INTAKE MANIFOLD PROBLEM AND WAS TOLD I WAS TOO LATE BECAUSE THE CLASS ACTION INVOLVING THE FAULTY PLASTIC INTAKE MANIFOLD HAD EXPIRED IN 2007 OR AT 75,000 MILES. THE CAR IN QUESTION HAS SLIGHTLY MORE THAN 75,000 MILES. HOW COULD I HAVE TAKEN PART IN REPAIRING OR REIMBURSEMENT OF OVER $800 I HAD TO PAY TO GET THE PLASTIC INTAKE MANIFOLD REPLACED. I THEN FOUND ON THE INTERNET THAT MANY INDIVIDUALS ARE IN THE SAME POSITION I AM IN. I FOUND THE FOLLOWING LINK ON THE INTERNET VERY INFORMATIVE AND GIVES SEVERAL EXAMPLES OF PEOPLE WITH THIS PROBLEM AND EXPLAINS SOME SAFETY ISSUES CONCERNING THIS PROBLEM BECAUSE PEOPLE ARE STILL DRIVING THESE CARS POSSIBLY NOT KNOWING THE ENGINE COULD BLOW UP AT ANY TIME IN ANY PLACE…”
Owner complaint to NHTSAFiled Jan 30, 2010Engine and engine coolingODI 10303349
“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…”
Owner complaint to NHTSAFiled May 22, 2006Engine and engine cooling, EquipmentODI 10158037
“MAKE: MERCURY MODEL: COUGAR YEAR: 1997 TYPE: PASSENGER CAR SERVICE BULLETIN NUMBER: 05N04 NHTSA ITEM NUMBER: 10018959 SUMMARY DESCRIPTION: EXTENDED COVERAGE PROGRAM 05N04 - EXTENDED COVERAGE FOR COMPOSITE INTAKE MANIFOLD. THIS PROGRAM IS BEING PROVIDED AS A SETTLEMENT TO A CLASS ACTION LAWSUIT. THE TERMS OF THE SETTLEMENT EXTEND THE COVERAGE OF THE ALL-COMPOSITE INTAKE MANIFOLD TO 7 YEARS FROM THE ORIGINAL WARRANTY START DATE OF THE VEHICLE, WITH NO LIMIT ON THE NUMBER OF MILES THAT THE VEHICLE HAS BEEN DRIVEN. *TT ON MARCH 2, 2004, I SENT A LETTER TO FORD MOTOR COMPANY DESCRIBING HOW THE INTAKE MANIFOLD ON MY 1997 MERCURY COUGAR HAD RUPTURED ON FEB. 28, 2004. AFTER WAITING A MONTH AND RECEIVING NO REPLY, I CALLED THEIR CUSTOMER COMPLAINT LINE AND DESCRIBED THE PROBLEM. THEY TOLD ME THAT MY VEHICLE DID NOT QUALIFY FOR A RECALL REIMBURSEMENT, BUT GAVE NO REASON WHY. SINCE MY DAUGHTER ALSO OWNS A 1997 MERCURY COUGAR, I TOLD HER TO HAVE A MECHANIC CHECK HER INTAKE MANIFOLD. THE MECHANIC REPLACED HER INTAKE MANIFOLD AT NO CHARGE SINCE IT HAD BEEN RECALLED AS PER THE ABOVE QUOTED STATEMENT. I CALLED FORD BACK WITH THIS INFORMATION AND THEY GAVE ME THE SAME REPLY. I…”
Owner complaint to NHTSAFiled Mar 31, 2006Engine and engine coolingODI 10154267
“1 .HEAVY LOSS OF COOLANT,SPRAYING ALL OVER ENGINE AREA CONTINUOUSLY AND WOULD NOT MAINTAIN PROPER LEVELS. 2. CAR OVERHEATING AND RISK OF BURNING UP THE ENGINE. 3. REPLACED "PLASTIC" MANIFOLD,COOLANT,THERMOSTAT AND GASKET. THIS MANIFOLD WAS A CLASS ACTION LAWSUIT AGAINST FORD MOTOR COMPANY THAT I CONTACTED AFTER THE INCIDENT AND WAS TOLD MY VIN DID NOT FALL INTO THE CATEGORY. I NOW LOOKED IT UP AND IT CERTAINLY DOES. THE OUTCOME OF THE LAWSUIT HAD DATES INVOLVED AND MY INCIDENT HAPPENED SEVEN MONTHS AFTER THE JUDGES DECISION OF SEVEN YEARS AFTER THE WARRANTY. AFTER CALLING FORD AND SPEAKING WITH 3 "CUSTOMER SERVICE" PEOPLE THEIR SCRIPT WAS THE LEGAL DECISION AND THEY (FORD) WAS NOT GOING TO DO A THING FOR ME. HOW MANY PEOPLE ARE OUT THERE THAT HAD THIS HAPPEN AND HAVE NO IDEA OF THIS "PLASTIC MANIFOLD" THAT SHOULD HAVE NEVER BEEN IN THE CAR AND PAID GOOD MONEY FOR SOMETHING THAT FORD CAUSED AND NOW WILL NOT STAND BY THEIR PRODUCT. *JB”
Owner complaint to NHTSAFiled Mar 23, 2006Engine and engine coolingODI 10153565
“I HAVE A 1997 MERCURY COUGAR XR7 THAT HAS 42,000 MILES ON IT. THE INTAKE MANIFOLD CRACKED IN MY GARAGE AND LIQUIDS LEAKED ALL OVER GARAGE. MY CAR WAS ONE OF THE EXCLUDED VEHICLES IN FORDS CLASS ACTION AND RECALL OF CRACKED MANIFOLDS. *NM”
Owner complaint to NHTSAFiled Mar 21, 2006Engine and engine coolingODI 10153315

Showing 6 of 30 reports. Read every report on NHTSA.gov.

Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 10, 2026NHTSA vehicle page

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