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1999 Toyota 4RUNNER

Owner reports · Recalls · Investigations

More warning signs than most 4RUNNER years

Owner complaints for the 1999 Toyota 4RUNNER are substantially higher than the model-year median of 58.

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When problems were reported

Mileage at the reported incident

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

Suspension complaints

61 reports
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284,000 miles · Dec 20, 2012
Suspension

TL* THE CONTACT OWNS A 1999 TOYOTA 4RUNNER. THE CONTACT STATED THAT WHILE REVERSING FROM A PARKING SPACE, THE CONTACT HEARD A LOUD POPPING NOISE. THE CONTACT MENTIONED THAT AFTER INSPECTING THE VEHICLE, HE NOTICED THAT THE REAR END TRAILING ARM WAS DETACHED FROM THE FRAME. THE FAILURE WAS CAUSED BY CORROSION. THE VEHICLE WAS TAK…

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TL* THE CONTACT OWNS A 1999 TOYOTA 4RUNNER. THE CONTACT STATED THAT WHILE REVERSING FROM A PARKING SPACE, THE CONTACT HEARD A LOUD POPPING NOISE. THE CONTACT MENTIONED THAT AFTER INSPECTING THE VEHICLE, HE NOTICED THAT THE REAR END TRAILING ARM WAS DETACHED FROM THE FRAME. THE FAILURE WAS CAUSED BY CORROSION. THE VEHICLE WAS TAKEN TO THE DEALER. THE TECHNICIAN ADVISED THAT THEY WERE UNABLE TO PERFORM ANY REPAIRS TO THE VEHICLE HOWEVER, THEY DID TAKE PICTURES OF THE DAMAGE AND SENT THEM TO THE MANUFACTURER. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE BUT DID NOT OFFER ANY ASSISTANCE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS 284,000.

NHTSA ODI #10489356

Mileage unknown · Nov 30, 2012
StructureSuspension

THE FRAME HAS ROTTED OUT OF THIS VEHICLE DUE TO EXCESSIVE RUST. MOST NOTABLY ON THE PASSENGER'S SIDE TOWARDS THE REAR AXLE. APPARENTLY THIS IS A MAJOR PROBLEM WITH TOYOTA VEHICLES AND THE MANUFACTURER IS REFUSING TO DO ANYTHING ABOUT IT. *TR

NHTSA ODI #10486564

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

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

Mileage unknown · Dec 6, 2011
SteeringStructureSuspension

I HAVE A 1999 TOYOTA 4RUNNER SR5, WITH AN IMMACULATE BODY, HOWEVER THE FRAME RAILS HAVE ROTTED OUT SO BADLY THAT YOU CAN PUT YOUR FINGER THROUGH THE RAIL IN SOME PLACES. THE FRAME IS UNSAFE AND A FAILURE COULD RESULT IN SERIOUS PERSONAL INJURY OR DEATH. THE MOST SEVERE LOCATION OF THE ROT IN JUST IN FRONT OF THE REAR LEAF SPRIN…

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I HAVE A 1999 TOYOTA 4RUNNER SR5, WITH AN IMMACULATE BODY, HOWEVER THE FRAME RAILS HAVE ROTTED OUT SO BADLY THAT YOU CAN PUT YOUR FINGER THROUGH THE RAIL IN SOME PLACES. THE FRAME IS UNSAFE AND A FAILURE COULD RESULT IN SERIOUS PERSONAL INJURY OR DEATH. THE MOST SEVERE LOCATION OF THE ROT IN JUST IN FRONT OF THE REAR LEAF SPRINGS ON THE INSIDE OF THE FRAME. TOOK IT FOR INSPECTION AND IT FAILED AS IT WAS UNSAFE TO DRIVE. NOW HAVE TO TAKE IT TO A WELDER TO SEE IF IT CAN EVEN BE REPAIRED. THINKING OF FILING A CLAIM WITH THE ATTORNEY GENERAL OF NY STATE. THE THING IS IT PASSED INSPECTION AT THE SMALL CAR BUSINESS I BOUGHT IT FROM( D AND D AUTOSALES IN BINGHAMTON NY-DON'T GO THERE!!!!!!) AND THERE IS NO WAY IT ROTTED LIKE THIS IN LESS THAN A YR SO I'M THINKING THEY PASSED IT JUST TO GET THE SALE. HAVEN'T CONTACTED TOYOTA BUT THEY MOST LIKELY WONT DO A THING FOR ME. *TR

NHTSA ODI #10438714

Mileage unknown · Nov 2, 2011
Service Brakes, HydraulicSteeringStructure

FULL BLOWN FRAME RUST MECHANIC STATES IS 100% INVASIVE AFFECTING STEERING, ALIGNMENT, BRAKING, AND CHECKING OF DIFFERENTIAL AND REAR-END FLUIDS DUE TO SEIZED COMPONENTS. FRAME IS TOTALLY COMPROMISED, NEEDS TO BE RECALLED AND RECTIFIED. *TR

NHTSA ODI #10434011

120,000 miles · Oct 25, 2011
Suspension

WHILE DRIVING THE VEHICLE HEARD A LOUD NOISE AND THUMP. TOOK VEHICLE HOME TO INSPECT. NOTICED FRONT DRIVER'S SIDE SPRING BRACKET WAS BROKEN. HAD VEHICLE TOWED TO MECHANIC. COIL SPRING BRACKET THAT HOLDS COIL SPRING AND SHOCK IN IS RUSTED AWAY. COIL SPRING IS BROKEN OFF THE FRAME. MECHANIC AND AUTO BODY ADVISOR STATED THAT …

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WHILE DRIVING THE VEHICLE HEARD A LOUD NOISE AND THUMP. TOOK VEHICLE HOME TO INSPECT. NOTICED FRONT DRIVER'S SIDE SPRING BRACKET WAS BROKEN. HAD VEHICLE TOWED TO MECHANIC. COIL SPRING BRACKET THAT HOLDS COIL SPRING AND SHOCK IN IS RUSTED AWAY. COIL SPRING IS BROKEN OFF THE FRAME. MECHANIC AND AUTO BODY ADVISOR STATED THAT VEHICLE IS UN-DRIVEABLE. THE CHASSIS IS COMPLETELY RUSTED AWAY AND MUST BE REPLACED. THE ENTIRE FRAME COULD EASILY CRACK IN HALF IF VEHICLE IS DRIVEN. BACK BUMPER IS ALMOST DISINTEGRATED FROM RUST AND FRONT BUMPER IS RUSTING RAPIDLY. THE TACOMA AND TUNDRA HAVE BEEN RECALLED FOR THE SAME PROBLEM. THIS VEHICLE ONLY HAS 120,000 MILES AND KEPT IN MINT CONDITION. SPOKE WITH TOYOTA IN CALIFORNIA THEY SAID NOTHING THEY CAN DO BECAUSE 4RUNNER IS NOT ON RECALL LIST. PLEASE HELP ME. I NOW HAVE NO DRIVEABLE VEHICLE AND NO MONEY TO BUY A NEW ONE. TOYOTA HAS TO MAKE THIS RIGHT. *TT

NHTSA ODI #10432710

267,000 miles · Mar 6, 2011
StructureSuspension

MARCH 6, 2011: 99 TOYOTA 4RUNNER: I NOTICED MY 4RUNNER PITCHING ON HIGHWAY EVEN AT LOW SPEEDS FOR SEVERAL WEEKS. AFTER I BROUGHT INTO TOYOTA THEY INFORMED THAT THE VEHICLE WAS EXTREMELY UNSAFE - REAR END DIFFERENTIAL HOUSING HAD BECOME DETACHED FROM FRAME ON REAR PASSENGER SIDE - RIGHT REAR AXLE CLOSE TO COMPLETE FAILURE - TOYO…

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MARCH 6, 2011: 99 TOYOTA 4RUNNER: I NOTICED MY 4RUNNER PITCHING ON HIGHWAY EVEN AT LOW SPEEDS FOR SEVERAL WEEKS. AFTER I BROUGHT INTO TOYOTA THEY INFORMED THAT THE VEHICLE WAS EXTREMELY UNSAFE - REAR END DIFFERENTIAL HOUSING HAD BECOME DETACHED FROM FRAME ON REAR PASSENGER SIDE - RIGHT REAR AXLE CLOSE TO COMPLETE FAILURE - TOYOTA STATED IT WAS TOO DANGEROUS TO DRIVE. SEVERE RUST ON THE STRUCTURAL AND SUSPENSION COMPONENTS IS EXCESSIVE. ALSO LARGE HOLES IN DIFFERENTIAL HOUSING CAUSING FLUID LEAKAGE. TOYOTA STATED THEY COULD FIND USED PARTS, INCLUDING SUSPENSION BRACKET & ENTIRE REPLACEMENT OF DIFFERENTIAL HOUSING & SWAY BAR COMPONENTS - WOULD COST UP TO $3000 TO REPAIR AT MY COST. ANOTHER OPTION IS TO FIND A MECHANIC TO WELD & REPAIR SUSPENSION BRACKETS. THE REAR TRANSFER CASE IS SO THIN THAT OIL IS LEAKING THROUGH RUST HOLES. FRAME RAILS & ENTIRE UNDERCARRIAGE ALSO SEVERELY RUSTED & DETERIORATED, INCLUDING ENTIRE DISINTEGRATION OF THE REAR BUMPER WITH THE FRONT BUMPER HAVING MASSIVE RUST HOLES. *TR

NHTSA ODI #10386627

78,000 miles · May 8, 2009
Power TrainSuspension

SEVERAL SUSPENSION AND STRUCTURAL COMPONENTS OF MY 1999 4RUNNER ARE SHOWING EXCESSIVE RUST. THE WORST OF WHICH IS ON THE REAR AXLE AND DIFFERENTIAL HOUSING. I'VE RECENTLY HAD TO WELD A BROKEN STABILIZER BRACKET. THE DIFFERENTIAL HOUSING HAS RUSTED SO BAD THAT A HOLE HAS FORMED AND GEAR OIL IS LEAKING. *TR

NHTSA ODI #10268238

Mileage unknown · Jan 10, 2008
Suspension

PURCHASED NEW - NOW AT 135K MILES. HAVE REPLACED 1 OR BOTH REAR AXLE SEALS AT LEAST 5 TIMES -- FIRST REPLACEMENT WAS ON MY DIME -- REMAINDER HAVE BEEN UNDER WARRANTY. THEY REPLACED AN AXLE LAST TIME, BUT IN LESS THAN 2K MILES SYMPTOMS RETURNED (LEAKS ON WHEELS, STICKING REAR BRAKES). SURE, IT DOESN'T "COST" ME ANYTHING, EXCEP…

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PURCHASED NEW - NOW AT 135K MILES. HAVE REPLACED 1 OR BOTH REAR AXLE SEALS AT LEAST 5 TIMES -- FIRST REPLACEMENT WAS ON MY DIME -- REMAINDER HAVE BEEN UNDER WARRANTY. THEY REPLACED AN AXLE LAST TIME, BUT IN LESS THAN 2K MILES SYMPTOMS RETURNED (LEAKS ON WHEELS, STICKING REAR BRAKES). SURE, IT DOESN'T "COST" ME ANYTHING, EXCEPT MY TRUCK IS IN THE SHOP 1-2 DAYS EACH TIME! *TR

NHTSA ODI #10214446

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.