Total Complaints
130 filings
FORD THUNDERBIRD · model year
130 NHTSA complaints, 7 crash reports for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 1991FORDTHUNDERBIRD carries 130 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 7 crashes, 14 fires, 5 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 1991 THUNDERBIRD is engine and engine cooling:engine with 12 filings, followed by seat belts (8) and exterior lighting:headlights (7). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 177 investigation files overlapping the 1991 THUNDERBIRD, and 8 remain open. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
130 filings
Crashes Reported
7 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| ENGINE AND ENGINE COOLING:ENGINE | 12 |
| SEAT BELTS | 8 |
| EXTERIOR LIGHTING:HEADLIGHTS | 7 |
| SEAT BELTS:FRONT:RETRACTOR | 6 |
| EQUIPMENT:APPLIANCE:AIR CONDITIONER | 6 |
| SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP | 6 |
| SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS | 6 |
| VEHICLE SPEED CONTROL | 6 |
| ELECTRICAL SYSTEM:IGNITION:SWITCH | 6 |
| SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR | 4 |
| FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP | 4 |
| FUEL SYSTEM, GASOLINE:DELIVERY | 3 |
| STEERING: STEERING WHEEL/HANDLE BAR | 3 |
| VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR | 3 |
| ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS | 2 |
LOSS OF HYDRAULIC BRAKE ASSIST ON SUPER COUPE. PEDAL BECAME HARD TO PRESS. BOTH BRAKE AND ABS ANNUNCIATORS ILLUMINATING. TROUBLESHOOTING INDICATES BRAKE PRESSURE SWITCH FAILING TO SIGNAL PUMP TO CHARGE SYSTEM OR ACCUMULATOR HAS FAILED. MASTER CYLINDER AND ABS SYSTEM ARE ORIGINAL EQUIPMENT AND THUS 24 YEARS OLD.
Mileage: 175,000
CRUISE CONTROL STOPPED WORKING. *TR
Mileage: 80,000
DEFECTIVE HEADLAMP CIRCUIT BREAKER CAUSES HEADLIGHTS TO FLASH OFF AND ON REPEATEDLY. FIRST FAILURE OCCURRED WHEN CAR WAS 2 YEARS OLD, SECOND FAILURE IN THE LAST YEAR. CAR HAS LESS THAN 57,000 MILES. 1991 SUPERCOUPE MODEL HAS FOGLAMPS AS DO THE 1992 AND LATER THUNDERBIRD MODELS FOR WHICH A RECALL EXISTS.*AK
Mileage: 15,000
PLASTIC BUSHINGS IN BOTH ENDS OF WINDSHIELD WIPER TIE-ROD COMPONENT HAVE WORN. CAUSES WIPERS TO MOVE LESS, SKIP, AND LOSE ABILITY TO CLEAR ENTIRE WINDSHIELD. TIE-ROD MAY BECOME DISCONNECTED FROM MOTOR END OR FROM WIPER END. CAR HAS LESS THAN 57000 MILES.*AK
Mileage: 40,000
3.8L V6 ENGINE OVER-HEATED DUE TO HEAD GASKET FAILURE IN #4 CYLINDER. BOTH HEADS WERE REWORKED AND GASKETS REPLACED. AFTER REPAIR ENGINE STARTED STALLING. IDLE AIR CONTROL VALVE WAS THEN REPLACED. NOW THERE IS A FLUCTUATION IN OIL PRESSURE. PRIOR TO HEAD GASKET FAILURE, POWER STEERING PUMP HAS TO BE REPLACED.*AK
3.8L V6 ENGINE OVER-HEATED DUE TO HEAD GASKET FAILURE IN #4 CYLINDER. BOTH HEADS WERE REWORKED AND GASKETS REPLACED. AFTER REPAIR ENGINE STARTED STALLING. IDLE AIR CONTROL VALVE WAS THEN REPLACED. NOW THERE IS A FLUCTUATION IN OIL PRESSURE. PRIOR TO HEAD GASKET FAILURE, POWER STEERING PUMP HAS TO BE REPLACED.*AK
OVERHEATING AT FIRST THEN AFTER THE HEADGASKETS WERE REPLACED THE ROD BEARINGS FAILED WHICH ADDED ANOTHER 1200.00 TO THE 1645.00 OF THE FIRST REPAIR AND THE POWER STEERING PUMP WAS REPLACED AT THE TIME OF THE FIRST REPAIR.
Mileage: 87,500
HEAD GASKET FAILURE AT 73,000 ON MY 1991 TBIRD WITH THE 3.8 V6. LOOKS LIKE FORD IS TRYING TO COVER THIS UP! *NLM
Mileage: 73,000
HEADLIGHT FAILURE INTERMITTENT OPERATION. TS
Mileage: 165,000
PART TO REPAIR NOT AVAILABLE. DT
WINDSHIELD WIPERS FREEZE UP WHEN WIPERS ARE TURNED ON HIGH. THIS IS A SIMILAR DEFECT TO THE "NHTSA CAMPAIGN ID NUMBER: 91V076000" PROBLEM I CAN NOT USE THE MY CAR WIPERS ON HIGH IN THE RAIN. *AK
ENGINE HAS BEEN REPLACED TWICE ALREADY AND NEEDS TO GO IN AGAIN BECAUSE OF HEAD GASKET BLOWING OUT. CONTACTED DEALER. *AK
WHILE DRIVING HEARS A LOUD BEEP COMING FROM FRONT OF VEHICLE. CAN'T ACTUALLY TELL WHERE BEEP IS COMING FROM. PLEASE ADD VIN. *AK
I AM IN A CLUB OF OVER 5,000 OWNERS OF IDENTICAL CARS AND FAILURES HAVE BEEN SEEN AS LOW AS 18,000 MILES TO MY KNOWLEDGE, AND NUMEROUS IN THE 60000 MILE RANGE ON WELL MAINTAINED CARS OF HEADGASKET FAILURE WHICH OFTEN CAUSES COMPLETE ENGINE FAILURE, IN MY CASE IT CAUSED TWO CONNECTING RODS TO FAIL, A CRANKSHAFT BEARING DUE TO OIL CONTAMINATION AND THE CRANKSHAFT AS A RESULT. THIS IS THE THIRD FAILURE ON MY VEHICLE, ONCE I WAS STRANDED ON A DANGEROUS DARK STRETCH OF I-95, ONCE IN THE RAIN AND AS A RESULT OF LOSS OF HEAT (HEADGASKET FAILURE SYMPTOM) I RAN A RED LIGHT AND PROCEDED THE WRONG WAY ON A ONE WAY STREET. *AK
WHILE THE CONSUMER WAS DRIVING ON THE HIGHWAY THE ACCELERATOR BECAME STRUCK. AS A RESULT THE VEHICLE CONTINUED TO ACCELERATE UNTIL THE BRAKE PEDAL AND EMERGENCY BRAKE WERE APPLIED. *AK *NM
Mileage: 144,509
THIS AUTO WAS A LATE BUILD THUNDERBIRD 5-91 IT HAS SOME 92 THUNDERBIRD SYSTEMS INCLUDING RECALLED FUEL LINES OF THE 1992 THUNDERBIRD. *AK
IT LOOKS LIKE DUE TO THE WEIGHT OF THE INDEPENDANT REAR SUSPENSION THE REAR WHEELWELL WELDS AND FLOOR PAN APPEAR TO BE TEARING AWAY FROM THE CAR. *AK
AIR CONDITIONER GETS A COOLANT-TYPE SMELL AND THEN BEGINS TO BLOW HOT AIR. I HAVE TAKEN IT TO THE DEALER SEVERAL TIMES WITH THE SAME COMPLAINT, THE FIRST TIME BEING IN 1996. MOST OF THE TIME THEY CANNOT FIND ANYTHING WRONG. SOMETIMES, THEY REPLACE "O" RINGS, GASKETS, FREON, ETC. BUT IT STILL DOES NOT SOLVE THE PROBLEM. *AK
HEAD GASKET BLEWOUT WITH ANY WARNING OR PRIOR PROBLEM. VEHICLE HAS LOW MILEAGE, BUT MANUFACTURER IS NOT COVERING COST. *AK
ANTIFREEZE IS LEAKING THROUGH OUT EXHAUST SYSTEM CAUSED BY BAD HEAD GASKETS. ENGINE OVERHEATED, BLEW A HEAD GASKET, AND LOST ANTIFREEZE IMMEDIATELY. FORD DEALER IS DENYING ANY PROBLEMS THEY MAY HAVE WITH THE GASKETS.*AK
Unintended Transmission Downshift and Rear Wheel Lock-up
Timing Belt Failure
Underbody shields detachment
B-Pillar Trim Detachment
Unintended Transmission Downshift and Rear Wheel Lock-up
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.