Total Complaints
33 filings
FORD THUNDERBIRD · model year
33 NHTSA complaints, 1 crash report for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 1984FORDTHUNDERBIRD carries 33 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 1 crash, 9 fires, 2 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 1984 THUNDERBIRD is electrical system:ignition:switch with 5 filings, followed by engine and engine cooling:engine:gasoline (4) and electrical system:ignition (4). 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 1984 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
33 filings
Crashes Reported
1 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| ELECTRICAL SYSTEM:IGNITION:SWITCH | 5 |
| ENGINE AND ENGINE COOLING:ENGINE:GASOLINE | 4 |
| ELECTRICAL SYSTEM:IGNITION | 4 |
| ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH | 3 |
| VEHICLE SPEED CONTROL | 2 |
| POWER TRAIN:AUTOMATIC TRANSMISSION | 2 |
| SEATS:FRONT ASSEMBLY:RECLINER | 1 |
| FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM | 1 |
| SEAT BELTS:FRONT:BUCKLE ASSEMBLY | 1 |
| SEAT BELTS:FRONT:WEBBING | 1 |
| STRUCTURE:FRAME AND MEMBERS | 1 |
| SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS | 1 |
| STEERING | 1 |
| ENGINE AND ENGINE COOLING:ENGINE | 1 |
| ENGINE AND ENGINE COOLING:EXHAUST SYSTEM | 1 |
CAR STALLS AFTER IT WARMS UP.RUNS WELL WHILE DRIVING WHEN CAMING TO A STOP CALL STALLS AND CAUSES CAR TO NOT HAVE POWER BRAKES OR POWER STEERING WITCH MAY CAUSE A VERY BAD ACCIDENT.
Mileage: 111,948
CAR STALLS AFTER IT WARMS UP.RUNS WELL WHILE DRIVING WHEN CAMING TO A STOP CALL STALLS AND CAUSES CAR TO NOT HAVE POWER BRAKES OR POWER STEERING WITCH MAY CAUSE A VERY BAD ACCIDENT.
Mileage: 111,948
THE SPOKES HAVE COME LOOSE CAUSING THE WHEELS TO WOBBLE WHICH COULD CAUSE A WHEEL COLLAPSE. DT
CONSUMER STATES WHILE DRIVING ON TURNPIKE, THE HOOD FLEW UP, STRIKING AND SHATTERING THE SUN ROOF GLASS, THE POLICE OFFICER INSPECTED THE HOOD LATCH AND IT APPEARED TO BE OLD, WHICH POSSIBLY MALFUNTIONED, CONSUMER SUFFERED MINOR INJURIES.(OHIO TRAFFIC CRASH REPORT #10-90-356)*JB
VEHICLE STALLED, WITH WINDSHIELD WIPERS AND HEATER RUNNING, IT ENDED UP CATCHING ON FIRE, POSSIBLE ENGINE FAILURE. *SLC
THE DRIVE GEAR ON THE DISTRIBUTOR SHAFT IS CUT IN THE WRONG DIRECTION TO MATCH THE GEAR ON THE CRANKSHAFT. NLM
WHILE DRIVING AT 40MPH VEHICLE WOULD STALL OUT WITHOUT WARNING. HAS HAPPENED WHILE MAKING TURNS ONTO AND OFF ON/OFF RAMPS. TOOK TO DEALER & MECHANIC COULD NOT LOCATE CAUSE OF STALLING. TOOK VEHICLE TO INDEPENDENT MECHANIC & WAS INFORMED THAT CAUSE WAS THE IGNITION SWITCH MODULE & HAD IT REPLACED.*AK
SINCE I BOUGHT THIS CAR I HAVE HAD DOZENS OF STALLING INCEDENTS BOTH WHILE DRIVING AND AT STOP LIGHTS.I HAVE HAD IT AT FORD DEALERSHIPS AND THEY TELL ME THEY CAN'T FIND THE PROBLEM. SAWGRASS FORD IN FLORIDA TOLD ME THAT THEY DON'T KNOW WHAT THE PROBLEM IS I'M HAVING AND THE GAVE ME AN ESTIMATE OF $1040.00 TO FIX THE CAR. I TOOK IT TO INDEPENDENT AUTO REPAIR SHOPS AND THEY DON'T KNOW WHY IT STALLS ALL THE TIME. I READ AN ARTICLE FROM CALIFORNIA THAT NAMES THE TFI MODULE AS THE PROBABLE CAUSE. FORD HAS KNOWN OF THIS PROBLEM WITH CARS MADE FROM 1983 TO 1995. A RECALL ORDER SHOULD BE GIVING TO FORD FOR THESE CARS IN ORDER TO FIX THESE CARS. I HAVE NOT HAD AN ACCIDENT YET BUT I'M HERE TO TELL YOU THAT I HAVE HAD MANY CLOSE CALLS.TOO CLOSE AND I AM AFRAID THAT MY LUCK MAY NOT HOLD OUT MUCH LONGER. THE LAW OF AVERAGES IS GETTING CLOSE. PLEASE HELP US IF YOU CAN..
VEHICLE STALLS DUE TO IGNITION MODULE OVERHEATING FROM ENGINE HEAT. *MJS
AFTER TAKING CAR TO DEALERSHIP ON SEVERAL OCCASIONS FOR STALLING, THE RESET THE IDLE SO HIGH THAT WHEN IT WAS COLD OUTSIDE OR DRIVING IN SNOWY CONDITIONS, THE GAS PEDAL WOULD ACCELERATE BY IT SELF. I ALSO HAD A LAWYER CONTACT FORD AND NEVER RECEIVED REPLIES. I TRADED THE CAR IN AND RECEIVED ALMOST NOTHING FOR IT BECAUSE THE ENGINE WAS ALMOST BLOWN BECAUSE OF THE IDLE BEING SET SO HIGH. I ALSO RENTED A CAR IN CA THAT WAS A 85 THUNDERBIRD THAT STALLED WHILE DRIVING ON THE FREEWAY IN 10/85.
CONSUMER EXPERIENCING ENGINE PROBLEM FAILURE DUE TO WET WEATHER CONDITION. VEHICLE WOULD INTERMITTENTLY STALL OR WOULD NOT START, ALSO VEHICLE WAS STARTED AND AIR FILTER CAUGHT ON FIRE. DEALER WAS NOT NOTIFIED. *AK
CONSUMER EXPERIENCING ENGINE PROBLEM FAILURE DUE TO WET WEATHER CONDITION. VEHICLE WOULD INTERMITTENTLY STALL OR WOULD NOT START, ALSO VEHICLE WAS STARTED AND AIR FILTER CAUGHT ON FIRE. DEALER WAS NOT NOTIFIED. *AK
WHILE DRIVING AT 70MPH, VEHICLE SUDDENLY BEGAN TO FISHTAIL. DRIVER LOSS CONTROL, SPUN AND VEHICLE TO REST IN THE MEDIAN. DEALER INSPECTION FOUND NO MECHANICAL DEFECTS.
WHILE PULLING INTO PARKING SPACE FLEXIBLE LINE THAT CONNECTS METAL TUBING TO BRAKES BLEW APART. PEDAL WENT TO THE FLOOR. HAD NO INDICATION OR WARNING IT WOULD HAPPEN. HAD NO BRAKES. *AK
WHILE DRIVING VEHICLE STALLS AND CUTS OFF. OWNER HAS HAD THE VC MODULATOR VALVE REPLACED TWO TIMES. OWNER CONTACTED THE DEALER. *AK
VEHICLE FIRE.
FRONT CLIP BROKE OFF. *AK
VEHICLE WAS PARKED FOR A PERIOD OF 5 HOURS, UNDER THE DASH FIRE, ELECTRICAL SHORT. *AK
IGNITION SWITCH SHORTED, CAUSING STEERING COLUMN TO SMOKE. *DH
AUTO WAS PARKED IN GARAGE AND AUTO STARTED TO BURN, NO ONE INJURED. *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.