Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
00–25K
225–50K
750–75K
1475–100K
46100–150K
111150K+
180 reports with mileage · 40 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 111 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Suspension. Review the 61 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Power Train. Review the 17 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
12 crash reports2 fire reports6 injury reports
What owners actually said
220 reports
40,000 miles · Sep 25, 2012
Structure
HAVING MAJOR FRAME ROT ON 99 4RUNNER. TOYOTA HAS RECALLED TUNDRA AND TACOMA FOR SAME ISSUES AND NOTHING FOR THE 4RUNNER. THE TACOMA AND RUNNER HAVE SAME FRAMES, HOW IS THIS POSSIBLE. READING THE RECALL THEIR IS A SAFETY CONCERN ABOUT THE REAR SUSPENDED SPARE WHICH THE 4RUNNERS HAVE, SEVERE ROT WHICH IS COMMON ON ALL, BREAK LINE …
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HAVING MAJOR FRAME ROT ON 99 4RUNNER. TOYOTA HAS RECALLED TUNDRA AND TACOMA FOR SAME ISSUES AND NOTHING FOR THE 4RUNNER. THE TACOMA AND RUNNER HAVE SAME FRAMES, HOW IS THIS POSSIBLE. READING THE RECALL THEIR IS A SAFETY CONCERN ABOUT THE REAR SUSPENDED SPARE WHICH THE 4RUNNERS HAVE, SEVERE ROT WHICH IS COMMON ON ALL, BREAK LINE FAILURE WHICH HAPPENED TO MINE. DOES MY FAMILY OR SOMEONE ELSES NEED TO BE IN A MAJOR ACCIDENT FOR THIS TO BE ADDRESSED?.. TOYOTA HAS GIVEN ME THE RUN AROUND, I HOPE YOU CAN HELP. MY NEXT RECOURSE IS EITHER THE MEDIA OR AN ATTORNEY. ANY HELP WOULD BE APPRECIATED. THIS IS A MAJOR SAFETY ISSUE! TOYOTA IS ADDRESSING ONLY THE SURFACE HERE. THANK YOU *TR
NHTSA ODI #10477068
286,000 miles · Jul 31, 2012
Power TrainService BrakesSuspension
THE REAR AXLE SEALS REPEATEDLY FAIL ON THIS VEHICLE, I'M NOW HAVING TO MAKE A FOURTH COSTLY REPLACEMENT OF BOTH THE REAR AXLE SEAL AND CONTAMINATED BRAKE SHOES. FOR THE FOURTH TIME THE REAR AXLE SEAL HAS FAILED WHICH LEAKS BRAKE FLUID ONTO REAR BRAKE SHOES, RESULTING IN SEVERE REDUCTION OF REAR BRAKING POWER. ALSO, AS A RESULT…
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THE REAR AXLE SEALS REPEATEDLY FAIL ON THIS VEHICLE, I'M NOW HAVING TO MAKE A FOURTH COSTLY REPLACEMENT OF BOTH THE REAR AXLE SEAL AND CONTAMINATED BRAKE SHOES. FOR THE FOURTH TIME THE REAR AXLE SEAL HAS FAILED WHICH LEAKS BRAKE FLUID ONTO REAR BRAKE SHOES, RESULTING IN SEVERE REDUCTION OF REAR BRAKING POWER. ALSO, AS A RESULT THE FRONT BRAKES ARE PLACED UNDER UNDUE PRESSURE AND WARPING OF FRONT BRAKE ROTORS OCCURS WHICH MUST ALSO BE ADDRESSED. WHILE I HAVE PREVIOUSLY FILED COMPLAINTS OVER THIS SAME ISSUE SINCE 2005 WITH BOTH TOYOTA AND THE NHTSB, THERE HAS BEEN NO RECALL INITIATED. THE LAST TIME MY REAR AXLE SEALS WERE REPLACED WAS LESS THAN 20,000 MILES AGO. THIS VEHICLE ONLY SEES NORMAL WEAR AND USAGE. I AM NOT THE ONLY COMPLAINT AS MANY OTHERS HAVE EXPERIENCED THE SAME ISSUE BASED ON TOYOTA FORUM DISCUSSIONS AND A SEARCH OF NHTSB COMPLAINT FILINGS. TOYOTA CUSTOMER SERVICE CENTER AGAIN REFUSED TO ASSIST ME IN ANY WAY WITH TODAYS COMPLAINT FILING ON 7/31/12. *TR
NHTSA ODI #10468512
71,000 miles · Jul 16, 2012
Structure
THIS COMPLAINT IS TO REQUEST THAT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION OPEN AN INVESTIGATION INTO FRAME RUST AND CORROSION PROBLEMS IN THE TOYOTA 4RUNNER. THIS IS SIMILAR TO THE ISSUES WITH SEVERELY RUSTED FRAMES IN THE TUNDRAS AND THE 1995-2000 AND 2001-04 TOYOTA TACOMA. I OWN A 1999 TOYOTA 4RUNNER WITH 71,000…
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THIS COMPLAINT IS TO REQUEST THAT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION OPEN AN INVESTIGATION INTO FRAME RUST AND CORROSION PROBLEMS IN THE TOYOTA 4RUNNER. THIS IS SIMILAR TO THE ISSUES WITH SEVERELY RUSTED FRAMES IN THE TUNDRAS AND THE 1995-2000 AND 2001-04 TOYOTA TACOMA. I OWN A 1999 TOYOTA 4RUNNER WITH 71,000 MILE THAT IS SEVERELY RUSTED. SO MUCH SO THAT MY MECHANIC HAS TOLD ME IT IS UNSAFE TO DRIVE. WHILE SOME MAY BLAME THE CLIMATE FOR THE RUST, I BELIEVE THIS ISSUE TO SAFETY-RELATED DEFECT BASED A DESIGN FLAW. I ALSO OWN A 1994 HONDA CIVIC THAT HAS BEEN THROUGH THE SAME CLIMATE AS THE 4RUNNER YET DOES NOT HAVE THIS DANGEROUS RUST ISSUE. UNFORTUNATELY I AM NOT ALONE IN EXPERIENCING THIS ISSUE. A SEARCH OF YOUR DATABASE SHOWS OVER 30 RUST COMPLAINTS (AS OF 7/9/2012) AND THIS IS ONLY BASED ON REVIEW OF THE 1999 4RUNNER MODEL. TR
NHTSA ODI #10465921
231,000 miles · Jul 10, 2012
Structure
TL* THE CONTACT OWNS A 1999 TOYOTA 4RUNNER. THE CONTACT STATED THE VEHICLE TAKEN TO A MECHANIC FOR THE BRAKES AND IT WAS DISCOVERED THAT THE RIGHT REAR AND LEFT REAR FRAME WAS COVERED WITH RUST. THE RIGHT FRAME WAS WORSE THAN THE LEFT AND THE VEHICLE WAS UNSAFE TO DRIVE. THE CONTACT SPOKE WITH THE MANUFACTURER WHO STATED THERE…
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TL* THE CONTACT OWNS A 1999 TOYOTA 4RUNNER. THE CONTACT STATED THE VEHICLE TAKEN TO A MECHANIC FOR THE BRAKES AND IT WAS DISCOVERED THAT THE RIGHT REAR AND LEFT REAR FRAME WAS COVERED WITH RUST. THE RIGHT FRAME WAS WORSE THAN THE LEFT AND THE VEHICLE WAS UNSAFE TO DRIVE. THE CONTACT SPOKE WITH THE MANUFACTURER WHO STATED THERE WAS NO RECALL FOR THE FRAME AND THEY COULD NOT OFFER ANY ASSISTANCE. THE FAILURE AND CURRENT MILEAGE WAS 231,000. UPDATED 08/7/12*LJ THE CONSUMER STATED THE FRAME RUST ON LOCATED ON THE TRAILING ARM AND WILL NOT PASS INSPECTION. UPDATED 08/16/12
NHTSA ODI #10465049
130,000 miles · Jun 23, 2012
Structure
FRAME IS RUSTED THROUGH AND FAILS SAFETY INSPECTION. MANUFACTURER OFFERS NO REASONABLE RECOURSE. *TT
NHTSA ODI #10462820
85,000 miles · Jun 9, 2012
Fuel/propulsion System
THE FUEL GAUGE ALWAYS READS 1/2 FULL TO FULL. RAN OUT OF GAS 6 TIMES DUE TO THIS PROBLEM. TOYOTA HAS A TSB (EL010-00) OUT ON FUEL GAUGE INACCURACY. AFTER REPLACING AN EXPENSIVE SENDING UNIT, STILL NO HELP. ACCORDING TO THIS TSB I DO NOT HAVE TO REPLACE THE CIRCUIT BOARD BEHIND THE INSTRUMENT CLUSTER. THIS IS A FACTORY FLAW AND …
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THE FUEL GAUGE ALWAYS READS 1/2 FULL TO FULL. RAN OUT OF GAS 6 TIMES DUE TO THIS PROBLEM. TOYOTA HAS A TSB (EL010-00) OUT ON FUEL GAUGE INACCURACY. AFTER REPLACING AN EXPENSIVE SENDING UNIT, STILL NO HELP. ACCORDING TO THIS TSB I DO NOT HAVE TO REPLACE THE CIRCUIT BOARD BEHIND THE INSTRUMENT CLUSTER. THIS IS A FACTORY FLAW AND TOYOTA SHOULD BE RESPONSIBLE FOR THIS PROBLEM. THANKS. *JS
NHTSA ODI #10461083
164,000 miles · May 31, 2012
Structure
TL* THE CONTACT OWNS A 1999 TOYOTA 4RUNNER. THE CONTACT STATED THAT THE VEHICLE WAS TAKEN FOR A ROUTINE OIL CHANGE WHEN HE WAS INFORMED THAT THE FRAME WAS RUSTED. THE RUST BEGAN NEAR THE FRONT PASSENGER SIDE TIRE AND ENDED NEAR THE MIDDLE OF THE PASSENGER SIDE DOORS. THE DEALER WAS NOTIFIED AND INFORMED THE CONTACT THAT IT NEEDE…
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TL* THE CONTACT OWNS A 1999 TOYOTA 4RUNNER. THE CONTACT STATED THAT THE VEHICLE WAS TAKEN FOR A ROUTINE OIL CHANGE WHEN HE WAS INFORMED THAT THE FRAME WAS RUSTED. THE RUST BEGAN NEAR THE FRONT PASSENGER SIDE TIRE AND ENDED NEAR THE MIDDLE OF THE PASSENGER SIDE DOORS. THE DEALER WAS NOTIFIED AND INFORMED THE CONTACT THAT IT NEEDED TO BE TAKEN CARE OF IMMEDIATELY. THE MANUFACTURER WAS CONTACTED AND STATED THAT THERE WERE NO RECALLS ON THE VEHICLE AND OFFERED NO FURTHER ASSISTANCE. THE FAILURE MILEAGE WAS 164,000.
NHTSA ODI #10460114
223,027 miles · Apr 14, 2012
StructureSuspension
FRAME RUSTED TO THE POINT WHERE IT BROKE. WHEN IT HAPPENED IT ALMOST CAUSED A MAJOR ACCIDENT. LEFT THE VEHICLE IN A CONDITION THAT IS VERY DANGEROUS TO DRIVE. THIS VEHICLE HAS HIGH MILES BUT IS IN EXCELLENT CONDITION OTHERWISE. NO RUST ANYWHERE ON THE VEHICLE EXCEPT FOR THE FRAME. TOYOTA IS AWARE OF THE PROBLEM. I'VE SEEN THE SA…
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FRAME RUSTED TO THE POINT WHERE IT BROKE. WHEN IT HAPPENED IT ALMOST CAUSED A MAJOR ACCIDENT. LEFT THE VEHICLE IN A CONDITION THAT IS VERY DANGEROUS TO DRIVE. THIS VEHICLE HAS HIGH MILES BUT IS IN EXCELLENT CONDITION OTHERWISE. NO RUST ANYWHERE ON THE VEHICLE EXCEPT FOR THE FRAME. TOYOTA IS AWARE OF THE PROBLEM. I'VE SEEN THE SAME PROBLEM WITH OTHER 4RUNNERS. *TR
NHTSA ODI #10455250
264,400 miles · Apr 10, 2012
Structure
ISSUE IS WITH THE VEHICLE FRAME. VEHICLE FAILED TO PASS INSPECTION DUE TO UNSAFE RUSTING (DEFECTIVE) OF THE VEHICLE FRAME. 4 RUNNER FRAME SHOWING RUST PATTERNS COMPARABLE TO TACOMA AND TUNDRA, BUT 4 RUNNER WAS NEVER RECALLED LIKE OTHER TOYOTA TRUCKS. *TR
NHTSA ODI #10454701
159,000 miles · Mar 20, 2012
Structure
THE FRAME ON MY 4RUNNER SHOWS EXCESSIVE RUST ESPECIALLY AT THE WELDED JOINTS AND WHERE THE SUSPENSION ATTACHES. THERE MUST BE SOME KIND OF RECALL FOR THIS CONSIDERING THE BODY LOOKS GREAT AND THE FRAME ISN'T. *KB
NHTSA ODI #10452352
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.
1999 Toyota 4RUNNER Problems, Complaints & Recalls | Skip That Year