FaultScore report
Owners have filed 13 complaints about the 1986 Toyota 4RUNNER with NHTSA between 1996 and 2023. The largest single group is the engine & cooling.
13
Complaints
2
Crashes reported
0
Fires reported
1
Injuries reported
1 complaint reports a death.
Click any bar to open that year's report.
Every complaint is filed against a part. Follow any row for the complaints about that part alone.
1 crashes, 0 fires · median 268,000 mi
1 crashes, 0 fires
Median failure at 300,000 miles
A spike years after the car went on sale usually means a part wearing out on schedule across the whole fleet — the kind of pattern no single owner can see from inside their own car.
Reports where the owner recorded a crash, a fire, an injury or a death.
TIRES:TREAD/BELT
PE00-00; CONSUMER WAS TRAVELING ABOUT 45MPH ON THE HIGHWAY AND LEFT REAR TIRE WENT FLAT. THEN CONSUMER CHANGED THE TIRES, AND NOTICED THAT TREAD AND WIRES SEPARATED FROM TIRES.
NHTSA complaint #866639 — an unverified report by a vehicle owner.
PARKING BRAKE:CONVENTIONAL
VEHICLE ROLLED DOWN HILL DUE TO FAILURE OF PARKING BRAKE, INJURING ONE/KILLING ONE. *DSH
NHTSA complaint #503800 — an unverified report by a vehicle owner.
In the owners' own words, exactly as filed with NHTSA.
SEAT BELTS
The contact owns a 1986 Toyota 4Runner. The contact stated that the driver’s and passenger’s side seat belts failed to unlock as needed. The contact and his passenger was unable to unlatch or release the seat belt. There were no warning lights illuminated. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately 300,000. The VIN was not available.
NHTSA complaint #11515408 — an unverified report by a vehicle owner.
SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES
ON 1986 TOYOTA 4 RUNNERS THE HAND BRAKE IS SOLELY RELIED ON TO ADJUST THE BACK BRAKES. THE PROBLEM APPEARS TO BE THE BELL CRANK BOOT DOES NOT SUFFICIENTLY PREVENT CORROSION BETWEEN THE BELL CRANK AND ITS FRAME AT THE BACKING PLATE. THIS CAUSES THE ADJUSTING SCREW TO NOT ENGAGE AND THEREFORE THE BACK BRAKES DO NOT FUNCTION PROPERLY. WITH LESS FORCE ON THE BACK BRAKES THAN THE FRONT BRAKES THE FRONT BRAKES TEND TO LOCK UP. STEERING CONTROL IS THEN LOST.
NHTSA complaint #10049623 — an unverified report by a vehicle owner.
PARKING BRAKE:CONVENTIONAL:MECHANICAL:LINKAGE AND CABLE
ON 1986 TOYOTA 4 RUNNERS THE HAND BRAKE IS SOLELY RELIED ON TO ADJUST THE BACK BRAKES. THE PROBLEM APPEARS TO BE THE BELL CRANK BOOT DOES NOT SUFFICIENTLY PREVENT CORROSION BETWEEN THE BELL CRANK AND ITS FRAME AT THE BACKING PLATE. THIS CAUSES THE ADJUSTING SCREW TO NOT ENGAGE AND THEREFORE THE BACK BRAKES DO NOT FUNCTION PROPERLY. WITH LESS FORCE ON THE BACK BRAKES THAN THE FRONT BRAKES THE FRONT BRAKES TEND TO LOCK UP. STEERING CONTROL IS THEN LOST.
NHTSA complaint #10049623 — an unverified report by a vehicle owner.
TIRES:SIDEWALL
TIRE SIDEWALLS ARE EXHIBITING DIMPLING OR REDUCED THICKNESS FROM THE TREAD EDGE TO RIM ABOUT 1 INCH WIDE.*AK (DOT NUMBER: VD60AW3529 TIRESIZE: 31X10.5R15)
NHTSA complaint #734522 — an unverified report by a vehicle owner.
EQUIPMENT:MECHANICAL:CARRIER/RACK
TRAVELING ON A SECONDARY ROAD AND T-BAR RUSTED AND SPARE TIRE FELL DOWN. CONSUMER WAS CONCERNED.
NHTSA complaint #870518 — an unverified report by a vehicle owner.
TIRES:TREAD/BELT
PE00-00; CONSUMER WAS TRAVELING ABOUT 45MPH ON THE HIGHWAY AND LEFT REAR TIRE WENT FLAT. THEN CONSUMER CHANGED THE TIRES, AND NOTICED THAT TREAD AND WIRES SEPARATED FROM TIRES.
NHTSA complaint #866639 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:ENGINE
ENGINE CYLINDER HEAD WARPED, CAUSING HEAD GASKET LEAKS.
NHTSA complaint #519135 — an unverified report by a vehicle owner.
PARKING BRAKE:CONVENTIONAL
VEHICLE ROLLED DOWN HILL DUE TO FAILURE OF PARKING BRAKE, INJURING ONE/KILLING ONE. *DSH
NHTSA complaint #503800 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
RADIATOR FLUID LEAKED AROUND THE MANIFOLD.
NHTSA complaint #491000 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
RADIATOR FLUID LEAKED AROUND THE MANIFOLD.
NHTSA complaint #491000 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:ENGINE
CYLINDER HEAD CRACKED.
NHTSA complaint #491000 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:ENGINE
HEAD GASKET FAILED.
NHTSA complaint #491000 — an unverified report by a vehicle owner.
ENGINE AND ENGINE COOLING:ENGINE
CYLINDER HEAD CRACKED.
NHTSA complaint #491000 — an unverified report by a vehicle owner.