Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
50–25K
425–50K
650–75K
1975–100K
127100–150K
147150K+
308 reports with mileage · 71 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.
Structure. Review the 255 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Suspension. Review the 97 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Power Train. Review the 32 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
9 crash reports1 fire reports6 injury reports
What owners actually said
379 reports
91,000 miles · Dec 8, 2010
Structure
TL*THE CONTACT OWNS A 2000 TOYOTA 4RUNNER. THE CONTACT STATED THAT WHILE HAVING THE VEHICLE INSPECTED IT FAILED INSPECTION DUE TO EXCESSIVE FRAME RUST. THE CONTACT CALLED THE MANUFACTURER REGARDING THE FRAME RUST AND THE MANUFACTURER STATED THAT THERE WAS NOTHING THEY COULD DO BECAUSE THERE WAS NO WARRANTY OR A RECALL. THE CONTA…
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TL*THE CONTACT OWNS A 2000 TOYOTA 4RUNNER. THE CONTACT STATED THAT WHILE HAVING THE VEHICLE INSPECTED IT FAILED INSPECTION DUE TO EXCESSIVE FRAME RUST. THE CONTACT CALLED THE MANUFACTURER REGARDING THE FRAME RUST AND THE MANUFACTURER STATED THAT THERE WAS NOTHING THEY COULD DO BECAUSE THERE WAS NO WARRANTY OR A RECALL. THE CONTACT TOOK THE VEHICLE TO A LOCAL MECHANIC BUT THEY WOULD NOT WELD THE FRAME DUE TO EXCESSIVE RUST. THE CONTACT STATED THAT THIS WAS A MAJOR SAFETY ISSUE THAT COULD CAUSE A CRASH. THE FAILURE MILEAGE WAS 91,000.
NHTSA ODI #10369620
145,000 miles · Dec 4, 2010
Structure
I AM WRITING TO REPORT A DEFECT IN THE FRAME OF MY 2000 TOYOTA 4RUNNER. THE FRAME EXHIBITS EXTENSIVE RUSTING. THE FRAME HAS HOLES AND HAS SEPARATED ALONG THE BOTTOM WELD. THE SOURCE OF THE WORST RUSTING APPEARS TO BE CONDENSATION FROM THE AC UNIT DRIPPING ONTO THE FRAME AND RUNNING ALONG IT. TOYOTA HAS DECLARED THE VEHICLE TO BE…
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I AM WRITING TO REPORT A DEFECT IN THE FRAME OF MY 2000 TOYOTA 4RUNNER. THE FRAME EXHIBITS EXTENSIVE RUSTING. THE FRAME HAS HOLES AND HAS SEPARATED ALONG THE BOTTOM WELD. THE SOURCE OF THE WORST RUSTING APPEARS TO BE CONDENSATION FROM THE AC UNIT DRIPPING ONTO THE FRAME AND RUNNING ALONG IT. TOYOTA HAS DECLARED THE VEHICLE TO BE UNSAFE TO OPERATE, YET WILL DO NOTHING TO COMPENSATE FOR OR CORRECT THE PROBLEM. *TR
NHTSA ODI #10369186
Mileage unknown · Nov 29, 2010
Structure
I HAVE A 2000 4RUNNER WHICH HAS ALWAYS BEEN MAINTAINED. THERE IS EXCESSIVE RUST UNDERNEATH THE CARRIAGE/FRAME TO THE POINT WHERE TIRE TECH WOULD NOT TRY TO REMOVE THE SPARE. THE POWER STEERING WHEEL FLUID IS NOW LEAKING FROM THE LINE DUE TO THE RUST. TOYOTA HAS RECALLED 2000 TACOMAS AND TUNDRAS FOR RUST PROBLEMS IN THEIR FRAMES …
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I HAVE A 2000 4RUNNER WHICH HAS ALWAYS BEEN MAINTAINED. THERE IS EXCESSIVE RUST UNDERNEATH THE CARRIAGE/FRAME TO THE POINT WHERE TIRE TECH WOULD NOT TRY TO REMOVE THE SPARE. THE POWER STEERING WHEEL FLUID IS NOW LEAKING FROM THE LINE DUE TO THE RUST. TOYOTA HAS RECALLED 2000 TACOMAS AND TUNDRAS FOR RUST PROBLEMS IN THEIR FRAMES BUT NOT 4RUNNERS OF SAME YEAR. I HAVE CALLED THE DEALERSHIP AND WAS TOLD SINCE THERE IS NO RECALL ON THESE VEHICLES THEY WILL GLADLY INSPECT MY FRAME FOR A CHARGE. MY RUSTED SPARE TIRE MOUNT IS A SAFETY HAZARD ITSELF LET ALONE THE OTHER PROBLEMS DEVELOPING.
NHTSA ODI #10368852
126,000 miles · Nov 24, 2010
Structure
WE OWN A 2000 TOYOTA 4 RUNNER WHOSE FRAME HAS CORRODED TO THE POINT THAT A TOYOTA DEALER AND AN INDEPENDENT (SECOND OPINION) VEHICLE REPAIR SHOP ADVISED THAT IT WAS AND HAD BEEN COMPLETELY UNSAFE TO DRIVE. MY SON, WHO DROVE IT 600 MILES TO COLLEGE, WAS PUT IN SERIOUS DANGER. WE TOOK A TOTAL LOSS ON THE CAR AFTER HAVING HAD IT D…
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WE OWN A 2000 TOYOTA 4 RUNNER WHOSE FRAME HAS CORRODED TO THE POINT THAT A TOYOTA DEALER AND AN INDEPENDENT (SECOND OPINION) VEHICLE REPAIR SHOP ADVISED THAT IT WAS AND HAD BEEN COMPLETELY UNSAFE TO DRIVE. MY SON, WHO DROVE IT 600 MILES TO COLLEGE, WAS PUT IN SERIOUS DANGER. WE TOOK A TOTAL LOSS ON THE CAR AFTER HAVING HAD IT DEALER SERVICED SINCE BUYING IT NEW IN 2000. THIS IS A SAFETY ISSUE ACCORDING TO THE TOYOTA DEALER. IT IS PRECISELY THE ISSUE TOYOTA FACED WITH THE TACOMA AND TUNDRA MODELS, WHICH THEY RECALLED AND STOOD BEHIND THROUGH REPAIRS/REPLACEMENT/DOLLAR CREDITS. WE AND THE DEALER CONTACTED TOYOTA DIRECTLY SEVERAL TIMES AND THE COMPANY REFUSES TO STAND BEHIND THE 4RUNNER WITH THE SAME FRAME CORROSION PROBLEM AS THOSE MODELS. *TR
NHTSA ODI #10367353
136,000 miles · Nov 6, 2010
Structure
TOOK 2000 4RUNNER IN TO GET MUFFLER REPLACED. THEY DISCOVERED EXTENSIVE FRAME ROT/CORROSION WHERE THE REAR SUSPENSION TRAILING ARM MOUNT TIES INTO THE FRAME. THE WELDED SEAM OF THE BOX TUBING HAS RUSTED OUT. THEY WANTED TO LET US KNOW, BECAUSE THEY FEEL THE VEHICLE IS UNSAFE TO DRIVE. AND, THEY SUGGESTED WE CONTACT TOYOTA TO SEE…
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TOOK 2000 4RUNNER IN TO GET MUFFLER REPLACED. THEY DISCOVERED EXTENSIVE FRAME ROT/CORROSION WHERE THE REAR SUSPENSION TRAILING ARM MOUNT TIES INTO THE FRAME. THE WELDED SEAM OF THE BOX TUBING HAS RUSTED OUT. THEY WANTED TO LET US KNOW, BECAUSE THEY FEEL THE VEHICLE IS UNSAFE TO DRIVE. AND, THEY SUGGESTED WE CONTACT TOYOTA TO SEE IF THERE WAS A RECALL OR IF SUB-PAR METAL WAS USED, BECAUSE THE FRAME SHOULDN'T BE IN SUCH A TERRIBLE CONDITION FOR A VEHICLE ITS AGE. THE REST OF THE VEHICLE IS IN VERY GOOD SHAPE. THERE IS NO RECALL FOR THE 2000 4RUNNER, ALTHOUGH THERE ARE RECALLS FOR SIMILAR PROBLEMS ON OTHER TOYOTA VEHICLES. WE DO NOT FEEL COMFORTABLE DRIVING THE CAR, KNOWING THAT THE STRUCTURE IS COMPROMISED. AND, WE CERTAINLY CAN'T SELL THE VEHICLE IN THIS CONDITION, KNOWING THAT IT IS A SAFETY HAZARD. *TR
NHTSA ODI #10364257
170,000 miles · Sep 20, 2010
Structure
TL* THE CONTACT OWNS A 2000 TOYOTA 4RUNNER. THE CONTACT STATED THE VEHICLE WAS TAKEN FOR ROUTINE INSPECTION WHEN HE WAS INFORMED BY THE TECHNICIAN THAT THE VEHICLE EXHIBITED RUST AND HOLES. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE CURRENT AND FAILURE MILEAGE WAS APPROXIMATELY 170,000.
NHTSA ODI #10356637
143,000 miles · Sep 17, 2010
Structure
2000 TOYOTA 4 RUNNER SR 5 WITH 143,000 MILES PER TOYOTA DEALER THE FRAME IS RUSTED THROUGH AND UNSAFE TO DRIVE. UNLIKE TOYOTA TACOMA, NO 4 RUNNER RECALL. *TR
NHTSA ODI #10356165
138,000 miles · Sep 3, 2010
Power Train
REAR DIFFERENTIAL CASING IS COMPLETELY RUSTED THROUGH. IT IS BEYOND REPAIR AND REQUIRES REPLACEMENT OF ENTIRE UNIT. *TR
NHTSA ODI #10353824
1,000,000 miles · Aug 23, 2010
Structure
HEARD A NOISE IN BACK OF CAR..GOT MY TIRES ROTATED, WHILE UP ON THE RACK I NOTICED THE BACK PASSENGER BRACKET THAT HOLDS MY AXEL ON WAS ROTTED IN HALF, CALLED TOYOTA, MADE AN APPOINTMENT WITH LOCAL TOYOTA GARAGE. THEY TOLD ME IT WAS NOT SAFE TO DRIVE! AXEL COULD FALL OFF, COULD LOSE BREAKS, DRIVE SHAFT COULD FALL OUT PLUS THERE …
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HEARD A NOISE IN BACK OF CAR..GOT MY TIRES ROTATED, WHILE UP ON THE RACK I NOTICED THE BACK PASSENGER BRACKET THAT HOLDS MY AXEL ON WAS ROTTED IN HALF, CALLED TOYOTA, MADE AN APPOINTMENT WITH LOCAL TOYOTA GARAGE. THEY TOLD ME IT WAS NOT SAFE TO DRIVE! AXEL COULD FALL OFF, COULD LOSE BREAKS, DRIVE SHAFT COULD FALL OUT PLUS THERE IS A HOLE IN MY FRAME. FRAME ROT AGAIN! WOULD NOT DO ANYTHING ABOUT IT, TOLD ME THERE IS NO RECALL ON THIS YET! THEY DEEMED IT UNSAFE TO DRIVE...WHAT THE[XXX]?? INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR
NHTSA ODI #10351313
150,000 miles · Jul 27, 2010
Power Train
REAR DIFFERENTIAL COVER IS RUSTED AND FLUID LEACHES RIGHT THROUGH THE METAL SPRAYING FLUID ON TO SPARE WHEEL AND REAR BUMPER AND ANYTHING IN TOW. COVER IS EVIDENTIALLY CHEAP METAL AND IS POORLY DESIGNED AS THE COVER IS WELDED ON AND CANNOT BE REPLACED WITHOUT REPLACING THE ENTIRE REAR AXLE. THERE IS NO OTHER SIGNIFICANT RUST O…
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REAR DIFFERENTIAL COVER IS RUSTED AND FLUID LEACHES RIGHT THROUGH THE METAL SPRAYING FLUID ON TO SPARE WHEEL AND REAR BUMPER AND ANYTHING IN TOW. COVER IS EVIDENTIALLY CHEAP METAL AND IS POORLY DESIGNED AS THE COVER IS WELDED ON AND CANNOT BE REPLACED WITHOUT REPLACING THE ENTIRE REAR AXLE. THERE IS NO OTHER SIGNIFICANT RUST ON THIS VEHICLE AND THE REMAINDER OF THE AXLE IS IN VERY GOOD CONDITION THEREFORE I BELIEVE THAT THIS IS A MANUFACTURER DEFECT WHICH SHOULD BE ADDRESSED BY TOYOTA. I HAVE BEEN QUOTED $1500-$2000 FOR A REPLACEMENT AXLE WHICH IS 1/4 OF THE VEHICLE'S VALUE. TOYOTA CHOSE A POOR DESIGN AND MATERIAL FOR THIS PART AND SHOULD BE HELD ACCOUNTABLE FOR THIS ISSUE AS IT IS THE ONLY WEAK LINK ON THE ENTIRE VEHICLE, UNFORTUNATELY THE REAR AXLE IS NOT AN OPTIONAL PART FOR ITS OPERATION. I HAVE REVIEWED SEVERAL MESSAGE BOARDS AND HAVE FOUND THAT THERE ARE SEVERAL OTHER 4RUNNER OWNERS IN THE RANGE FROM '99 TO '02 WITH THE SAME EXACT ISSUE AND ALL REPORT NO OTHER RUST ON THE VEHICLE EXCEPT FOR THIS ONE LOCATION. MY MECHANIC ADVISES THE ONLY REPAIR FOR THIS ISSUE IS THE COMPLETE REPLACEMENT OF THE REAR AXLE WHEN ONLY A SMALL PLATE HAS FAILED. *TR
NHTSA ODI #10345662
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
0
No exact-year investigations in this snapshot.
2000 Toyota 4RUNNER Problems, Complaints & Recalls | Skip That Year