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1997 Mercury Cougar

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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When problems were reported

Mileage at the reported incident

26 reports with mileage · 50 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Engine And Engine Cooling. Review the 30 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 10 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes, Hydraulic. Review the 9 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

2 crash reports2 fire reports2 injury reports

Engine And Engine Cooling complaints

30 reports
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Mileage unknown · Feb 28, 2005
Engine And Engine Cooling

THE INTAKE MANIFOLD CRACKED, CAUSING THE COOLANT TO LEAK OUT. COULD CAUSE THE ENGINE TO OVERHEAT. CONSUMER WILL CONTACT THE MANUFACTURER.*AK

NHTSA ODI #10113113

33,212 miles · Jan 13, 2005
Engine And Engine Cooling

THE CONSUMER RECEIVED A RECALL WELL OVER SEVEN YEARS AGO, AT THE TIME OF THE RECALL THE CONSUMER WAS NOT EXPERIENCING ANY PROBLEM WITH THE INTAKE MANIFOLD MENTIONED IN THE LETTER. WHILE DRIVING THE VEHICLE, THE RADIATOR LEAKED ANTIFREEZE ONTO THE STREET. THE VEHICLE WAS TOWED AND ACCORDING TO THE RECALL LETTER THE MANIFOLD …

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THE CONSUMER RECEIVED A RECALL WELL OVER SEVEN YEARS AGO, AT THE TIME OF THE RECALL THE CONSUMER WAS NOT EXPERIENCING ANY PROBLEM WITH THE INTAKE MANIFOLD MENTIONED IN THE LETTER. WHILE DRIVING THE VEHICLE, THE RADIATOR LEAKED ANTIFREEZE ONTO THE STREET. THE VEHICLE WAS TOWED AND ACCORDING TO THE RECALL LETTER THE MANIFOLD IS CRACKED. *NM......*AK

NHTSA ODI #10107336

138,434 miles · Sep 21, 2004
Engine And Engine Cooling

THE MANIFOLD CRACKED IN THE SAME LOCATION, OVERHEATING THE CAR FOR THE SECOND TIME. *BF THE INTAKE MANIFOLD WAS MADE OF PLASTIC AND WAS RECALLED. THE NEW MANIFOLD WAS ALSO MADE OF PLASTIC AND OVER TIME IT ALSO FAILED. THE CONSUMER FEELS THE DEALER SHOULD HAVE INSTALLED THE NEW RE-DESIGNED TWO PIECE, HALF PLASTIC HALF METAL M…

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THE MANIFOLD CRACKED IN THE SAME LOCATION, OVERHEATING THE CAR FOR THE SECOND TIME. *BF THE INTAKE MANIFOLD WAS MADE OF PLASTIC AND WAS RECALLED. THE NEW MANIFOLD WAS ALSO MADE OF PLASTIC AND OVER TIME IT ALSO FAILED. THE CONSUMER FEELS THE DEALER SHOULD HAVE INSTALLED THE NEW RE-DESIGNED TWO PIECE, HALF PLASTIC HALF METAL MANIFOLD. *NM

NHTSA ODI #10094475

138,434 miles · Aug 31, 2004
Engine And Engine Cooling

PROBLEMS WITH PLASTIC INTAKE MANIFOLD.*MR THE MANIFOLD WHICH WAS REPLACED UNDER RECALL CRACKED IN THE SAME LOCATION AS THE PREVIOUS FAULTY MANIFOLD WHICH CAUSED THE VEHICLE TO OVERHEAT. *NM

NHTSA ODI #10091779

46,000 miles · Jul 27, 2004
Engine And Engine Cooling

CONSUMER COMPLAINED ABOUT A DEFECTIVE PART IN THE INTAKE MANIFOLD, WHICH AT ONE TIME WAS ON RECALL. NO NOTIFICATION WAS EVER RECEIVED. MANUFACTURER WAS CONTACTED, AND STATED THAT THE WARRANTY EXPIRED, AND THEY DID NOT HAVE TO HONOR THE RECALL. *AK

NHTSA ODI #10083627

52,000 miles · Jul 26, 2004
Engine And Engine CoolingEquipment

HAD CATASTROPHIC INTAKE MANIFOLD FAILURE WHILE ON VACATION. FOMOCO HAS A RECALL ON THIS COMPONENT (97M91) BUT REFUSED TO PROVIDE RELIEF. AS I UNDERSTAND THE RECALL OF THIS KNOWN PROBLEM, FORD WILL ONLY REPLACE WHEN IT FAILS, BUT IT MUST FAIL IN A SPECIFIC TIME FRAME. THIS WAS A SILENT RECALL AS FORD NEVER PUBLICIZED IT. I H…

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HAD CATASTROPHIC INTAKE MANIFOLD FAILURE WHILE ON VACATION. FOMOCO HAS A RECALL ON THIS COMPONENT (97M91) BUT REFUSED TO PROVIDE RELIEF. AS I UNDERSTAND THE RECALL OF THIS KNOWN PROBLEM, FORD WILL ONLY REPLACE WHEN IT FAILS, BUT IT MUST FAIL IN A SPECIFIC TIME FRAME. THIS WAS A SILENT RECALL AS FORD NEVER PUBLICIZED IT. I HAD ATTEMPTED A PREVENTATIVE REPLACEMENT AS I WAS AWARE OF THE INHERENT PROBLEM -- AGAIN MY LOCAL MERCURY DEALER (KING - GAITHERSBURG, MD) WOULD ONLY REPLACE WHEN THE MANIFOLD FAILED. WELL IT DID WHILE I WAS ON VACATION HUNDREDS OF MILES FROM HOME. AS THIS WAS A KNOWN MANUFACTOR'S PROBLEM FROM THE DATE OF INSTALLATION, REPLACE MUST BE DONE WHEN THE PROBLEM FIRST COMES TO FORD'S KNOWLEDGE. INSTEAD, WHEN ISSUING THE RECALL (MARCH 1999) FORD CHOSE TO IGNORE THE PROBLEM UNTIL THE CONSUMER BRINGS IT TO THE DEALERSHIP'S ATTENTION. ONLY THEN WOULD THE DEALER ACKNOWLEDGE THE RECALL EXISTED. *AK

NHTSA ODI #10082642

143,000 miles · Jul 21, 2004
Engine And Engine Cooling

THE PLASTIC INTAKE MANIFOLD ON MY 1997 MERCURY COUGAR FAILED ON 7/13/2004. THE COOLANT LEAKED INTO THE SPARK PLUG SOCKET AND GROUNDED THE NUMBER 2 SPARK PLUG, LEAKED COOLANT OVER ENGINE. LEFT MY WIFE STRANDED WITH UNDRIVEABLE CAR. SUBSEQUENT EXAMINATION OF THE ENGINE BY AN ASE MECHANIC REVEALED A FATIGUE CRACK IN THE INTAKE…

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THE PLASTIC INTAKE MANIFOLD ON MY 1997 MERCURY COUGAR FAILED ON 7/13/2004. THE COOLANT LEAKED INTO THE SPARK PLUG SOCKET AND GROUNDED THE NUMBER 2 SPARK PLUG, LEAKED COOLANT OVER ENGINE. LEFT MY WIFE STRANDED WITH UNDRIVEABLE CAR. SUBSEQUENT EXAMINATION OF THE ENGINE BY AN ASE MECHANIC REVEALED A FATIGUE CRACK IN THE INTAKE MANIFOLD NEAR THE CROSS-OVER TUBE. THIS IS CLEARLY A DESIGN FLAW. IT WILL COST OVER $900 TO REMOVE AND REPLACE THE FAULTY INTAKE MANIFOLD. THE OLD PART WILL BE AVAILABLE AFTER REPAIRS ARE AFFECTED. *LA

NHTSA ODI #10082373

75,180 miles · Jul 9, 2004
Engine And Engine Cooling

NO WARNING, DRIVING TO WORK UNDER NORMAL CONDITIONS WHEN STEAM AND COOLANT (WHICH COULD BE SMELLED) CAME OUT FROM UNDER HOOD, LIMITING MY VISION. I HAD TO STOP AND LOW COOLANT LEVEL LIGHT CAME ON. I HAD TO HAVE CAR TOWED HOME. TOOK CAR TO A CORNER MECHANIC WHO INFORMED US THE INTAKE MANIFOLD HAD CRACKED AND IT WOULD COST US …

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NO WARNING, DRIVING TO WORK UNDER NORMAL CONDITIONS WHEN STEAM AND COOLANT (WHICH COULD BE SMELLED) CAME OUT FROM UNDER HOOD, LIMITING MY VISION. I HAD TO STOP AND LOW COOLANT LEVEL LIGHT CAME ON. I HAD TO HAVE CAR TOWED HOME. TOOK CAR TO A CORNER MECHANIC WHO INFORMED US THE INTAKE MANIFOLD HAD CRACKED AND IT WOULD COST US $1,200. WE WERE SKEPTICAL BECAUSE ON OTHER VEHICLES WE HAVE, THIS PART IS CAST SO IT DOESN'T BREAK. WE THEN HAD THE CAR TOWED AGAIN TO A REPUTABLE MECHANIC THAT WE HAVE USED BEFORE AND HE ALSO SAID THE INTAKE MANIFOLD WAS BROKEN. HE THEN HAD TO ORDER A NEW FORD PART THAT COST US $589.17 PLUS LABOR OF $249.60 AND WRECKER RUN OF $38.40, FOR A GRAND TOTAL OF $923.12. UPON CHECKING WITH FORD.COM, WE FOUND OUT THAT THIS HAS HAPPENED TO SEVERAL OTHERS AND UPON SPEAKING WITH SOMEONE OVER THE PHONE WE WERE INFORMED THAT THERE WAS A "CUSTOMER SATISFACTION PROGRAM, SERVICE BULLETIN 97M91" THAT WOULD HAVE REPLACED THIS DEFECTIVE PART AT NO COST TO US, IF THE PART WOULD HAVE BROKEN IN THE MONTH OF MAY, INSTEAD OF JUNE 19, WHEN IT OCCURRED. WE WERE NEVER AWARE OF SUCH A PROGRAM AND ARE EXTREMELY DISTRESSED THAT SUCH A REPUTABLE COMPANY AS FORD WOULD NOT MAKE THIS AN UNLIMITED WARRANTY KNOWING THAT THE PART WILL FAIL AND THAT THE REPLACEMENT PART IS MADE OF ALUMINUM WHICH IS DEPENDABLE. WHY WAS THIS NOT USED DURING MANUFACTURING OF THE AUTOMOBILE? SURELY, THE COST THEN WOULD HAVE BEEN MINIMAL TO FORD. COULD THIS POSSIBLY BE REASON WHY IT WAS NOT MADE A VOLUNTARY RECALL? WE WANT TO BE REIMBURSED FOR THIS PART, CONSIDERING WE WERE ONLY 3 WEEKS OUT OF "97M91."*AK

NHTSA ODI #10080707

82,000 miles · Jul 6, 2004
Engine And Engine Cooling

FOR NO REASON AT ALL ANTIFREEZE STARTED LEAKING FROM THE PLASTIC INTAKE MANIFOLD IN MY 1997 COUGAR WITH A 4.6L MOTOR. I SEARCHED THE WEB AND LEARNED THAT THIS IS A COMMON PROBLEM AND FORD EXTENDED THE WARRANTY ON SOME PLASTIC INTAKE MANIFOLDS. FOUND ALL INFO I COULD AND COPIED IT FOR THE LOCAL MERCURY DEALER TO REPAIR UNDER WARR…

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FOR NO REASON AT ALL ANTIFREEZE STARTED LEAKING FROM THE PLASTIC INTAKE MANIFOLD IN MY 1997 COUGAR WITH A 4.6L MOTOR. I SEARCHED THE WEB AND LEARNED THAT THIS IS A COMMON PROBLEM AND FORD EXTENDED THE WARRANTY ON SOME PLASTIC INTAKE MANIFOLDS. FOUND ALL INFO I COULD AND COPIED IT FOR THE LOCAL MERCURY DEALER TO REPAIR UNDER WARRANTY. DROPPED IT OFF FOR SERVICE, ONLY TO GET A CALL THAT MY VIN WAS NOT ONE THAT WAS AWARDED THE EXTENDED 7 YEAR WARRANTY, EVEN THOUGH THE LENGTH OF TIME WE OWNED THIS COUGAR FIT THE TIME CRITERIA. IM REALLY DISAPPOINTED IN FORD THAT THEY ARE NOT COVERING ALL OF THEIR PLASTIC JUNK MANIFOLDS. I CALLED THE 800 NUMBER FOR COMPLAINTS, BUT THE MAN SAID I AM SORRY I CAN NOT HELP YOU, BUT I WILL TYPE YOUR INFO IN OUR DATABASE. SO I AM NO SPENDING $900.00 TO REPAIR A CAR WITH 82K MILES ON IT FOR SOMETHING I WOULD NOT HAVE EXPECTED TO HAVE TROUBLE WITH. TO PROVE THAT THEY KNOW THERE IS A PROBLEM, THEY NOW REPLACE THE ORIGINAL MANIFOLD WITH A NEW PART NUMBER, AND DESIGN. THEY ADMIT IT WAS A BAD DEAL, BUT STILL WILL NOT HELP ME. I TOLD THEM THAT WHILE THEY WERE TYPING MY COMPLAINT, ALSO TYPE THAT THIS IS MY LAST FORD, AND ALSO MY FAMILIES LAST FORD. IT'S A SAD TESTAMENT FOR THE USA WORKERS. HENRY FORD WOULD NOT BE PLEASED. THANK YOU, [XXX]. *NM INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

NHTSA ODI #10080432

Mileage unknown · Jun 4, 2004
Engine And Engine Cooling

RECALL REGARDING PROBLEMS WITH PLASTIC INTAKE MANIFOLD. *MR THE ORIGINAL INTAKE MANIFOLD WAS CRACKED AT THE FRONT MOTOR. FORD REPLACED THE DEFECTIVE PLASTIC MANIFOLD WITH ANOTHER DEFECTIVE PLASTIC MANIFOLD. THE CONSUMER REQUESTED REIMBURSEMENT. *SC *JB

NHTSA ODI #10075878

Official recalls

0

No recalls in this snapshot.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

1

EA01001 · Blower Switch/resistor Or Wiring Harness

Opened Jan 5, 2001 · Closed Jul 31, 2001

Status: closed (inferred from source dates) · Electrical System

There is no summary currently available

Additional source detail variants (2)

Electrical System

There is no summary currently available

Electrical System

There is no summary currently available