NHTSA owner reports · September 18, 2026 snapshot.
Suspension complaints
25 reportsClear category filter119,722 miles · Apr 13, 2015
SuspensionUnknown Or Other
THE FRAME HAS SUFFERED SERIOUS RUST THROUGH ALSO DESCRIBED AS "FRAME ROT" IN POSTINGS ON LINE OF TOYOTA 4-RUNNER PROBLEMS. THIS RUST THROUGH HAS MADE THE VEHICLE UNSAFE AND CURRENTLY UNUSABLE. THE RUST WAS DISCOVERED WHEN THE ENTIRE REAR AXLE WAS REPLACED AT MY EXPENSE. TOYOTA WOULD NOT ALLOW THAT THEY WERE RESPONSIBLE FOR F…
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THE FRAME HAS SUFFERED SERIOUS RUST THROUGH ALSO DESCRIBED AS "FRAME ROT" IN POSTINGS ON LINE OF TOYOTA 4-RUNNER PROBLEMS. THIS RUST THROUGH HAS MADE THE VEHICLE UNSAFE AND CURRENTLY UNUSABLE. THE RUST WAS DISCOVERED WHEN THE ENTIRE REAR AXLE WAS REPLACED AT MY EXPENSE. TOYOTA WOULD NOT ALLOW THAT THEY WERE RESPONSIBLE FOR FAULTY MANUFACTURING OF THE REAR AXLE EITHER WHICH WAS YET ANOTHER SAFETY CONCERN. *TR
NHTSA ODI #10705384
126,000 miles · Apr 6, 2015
StructureSuspension
LEFT SIDE FRAME ROTTED OUT. *TR
NHTSA ODI #10703980
82,000 miles · Mar 27, 2015
StructureSuspension
THE UNDER CARRIAGE HAS BEEN RUSTING SINCE I NOTICED APPROX. 4 YRS AFTER PURCHASE. I NOW HAVE BEEN UNABLE TO PASS INSPECTION OR DRIVE VEHICLE SINCE ENTIRE UNDER CARRIAGE IS COMPLETELY RUSTED OUT. WHEN ATTEMPT WAS MADE TO PLACE ON LIFT TO OBSERVE IT BEGAN TO CRACK OR SPLIT . I HAVE ONLY 87000 MILES ON IT AND THE REST OF VEHICLE IS…
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THE UNDER CARRIAGE HAS BEEN RUSTING SINCE I NOTICED APPROX. 4 YRS AFTER PURCHASE. I NOW HAVE BEEN UNABLE TO PASS INSPECTION OR DRIVE VEHICLE SINCE ENTIRE UNDER CARRIAGE IS COMPLETELY RUSTED OUT. WHEN ATTEMPT WAS MADE TO PLACE ON LIFT TO OBSERVE IT BEGAN TO CRACK OR SPLIT . I HAVE ONLY 87000 MILES ON IT AND THE REST OF VEHICLE IS CLEAN AND BASICALLY RUST FREE. IT IS MARCH 27 , 2015 AND HAS BEEN SITTING IN DRIVEWAY FOR LAST 3 YRS. THE TOYOTA DEALERSHIP IN WAPPINGERS FALLS STATED THAT TOYOTA IS PLANNING ON REPAIRING BUT IS UNCERTAIN AS TO WHEN. AT PRESENT THE BACK PARKING LOT IS FILLED WITH NEW UNDER STRUCTURES FOR OTHER MODELS.I WOULD LIKE TO KNOW WHEN THIS ONGOING TERRIBLE AND DANGEROUS PROBLEM WILL BE REPAIRED. *TR
NHTSA ODI #10702226
110,900 miles · Nov 11, 2014
StructureSuspension
ON ROUTINE CHECK AND INSPECTION, TOYOTA ARLINGTON AND TOYOTA SCHAUMBURG CALLED MY ATTENTION REGARDING A PREMATURE RUSTING ON THE UNDERBODY FRAME AND RESULTED IN A LINEAR HOLE BY THE REAR LEFT AND RIGHT PORTIONS OF THE VEHICLE. THIS ACCORDING TO THE SERVICE ADVISORS OF BOTH TOYOTA DEALERSHIPS MAY MAKE THE VEHICLE UNSAFE TO OPERAT…
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ON ROUTINE CHECK AND INSPECTION, TOYOTA ARLINGTON AND TOYOTA SCHAUMBURG CALLED MY ATTENTION REGARDING A PREMATURE RUSTING ON THE UNDERBODY FRAME AND RESULTED IN A LINEAR HOLE BY THE REAR LEFT AND RIGHT PORTIONS OF THE VEHICLE. THIS ACCORDING TO THE SERVICE ADVISORS OF BOTH TOYOTA DEALERSHIPS MAY MAKE THE VEHICLE UNSAFE TO OPERATE AND MAY RESULT TO UNCONTROLLED STABILITY DURING DRIVING. *TR
NHTSA ODI #10654203
198,000 miles · Nov 2, 2014
Power TrainService BrakesSuspension
ON OCTOBER 11TH 2014, I WAS DRIVING MY 2001 4RUNNER, ON MY WAY TO WORK. HAD JUST TURNED OFF A ROAD WITH A SPEED LIMIT OF 55. AS I HIT 35MPH, MY CAR COMES TO A JOLTING STOP WITH A LOUD BANG AND DRAG ON THE TIRES. THE CAR STILL RAN, BUT THE CAR WOULDN'T MOVE. I HAD TO FINISH WALKING TO MY JOB, AS I WAS CELLPHONE-LESS AT THE TIME. …
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ON OCTOBER 11TH 2014, I WAS DRIVING MY 2001 4RUNNER, ON MY WAY TO WORK. HAD JUST TURNED OFF A ROAD WITH A SPEED LIMIT OF 55. AS I HIT 35MPH, MY CAR COMES TO A JOLTING STOP WITH A LOUD BANG AND DRAG ON THE TIRES. THE CAR STILL RAN, BUT THE CAR WOULDN'T MOVE. I HAD TO FINISH WALKING TO MY JOB, AS I WAS CELLPHONE-LESS AT THE TIME. I HAD TO PAY TO HAVE MY CAR TOWED HOME, MISSING AN ENTIRE DAY'S WORK, WHICH WAS A LOSS OF 120$. THE GUY WHO TOWED ME TOLD ME IT WAS DEFINITELY SOMETHING TO DO WITH MY REAR END. SO I HAD A FAMILY FRIEND WHO IS A RETIRED MECHANIC LOOK IT OVER TO SEE IF HE COULD SPOT WHAT THE PROBLEM WAS. FIRST THING NOTICED WAS MY EMERGENCY BREAK WAS ON AND FROZEN. THEY REMOVE IT, CLEAN IT, PUT IT BACK ON. I START THE CAR, GO TO MOVE IT AND THERES A CONTINUOUS LOUD BANG AND THE CAR AGAIN COMES TO THE STOP. THE EMERGENCY BREAK FROZE AGAIN. THEY ONCE AGAIN TAKE IT OFF, AND SO FAR IT HASN'T REFROZE. HOWEVER, MY CAR IS STILL MAKING THE LOUD BANGING NOISE COMING FROM THE REAR END, WHICH THEY HAVE CONCLUDED IS COMING FROM THE REAR DIFFERENTIAL HOUSING UNIT. WHICH THEY FOUND A DECENT SIZED HOLE IN, WHICH IT APPEARS SOMEONE TRIED TO COVER WITH A YELLOW GLUE TYPE SUBSTANCE. I JUST BOUGHT THE CAR, AND AM NOW CARLESS. AS I HAVE 2 SMALL CHILDREN, AND CANNOT AFFORD TO FIX A PROBLEM THAT CAN COST UP TO $3,000 TO FIX. LUCKILY I WAS ONLY GOING 35 MPH WHEN IT BROKE, AND THERE WAS NO ONE FOLLOWING BEHIND ME, OR I WOULD HAVE BEEN RE ENDED, AND HAD MORE TO FIX THAT I ALREADY DO. THIS IS A HUGE PROBLEM WITH THE MODEL CAR, AND TOYOTA REALLY NEEDS TO ISSUE A RECALL ON THE DIFFERENTIAL UNIT!!! IT'S FAIRLY DANGEROUS. I LOVED THIS CAR BEFORE THIS INCIDENT. BUT NOW IT'S USELESS TIL I CAN AFFORD THIS FIX. *TR
NHTSA ODI #10651885
188,000 miles · Sep 28, 2014
StructureSuspension
VEHICLE FRAME IS RUSTING TO THE POINT OF PERFORATION. I DISCOVERED TODAY TWO HOLES, ONE ON EACH THE DRIVER AND PASSENGER SIDE, INNER FRAME RAILS JUST BEHIND THE REAR CROSSMEMBER. MY CONCERN IS IT MAY BE ROTTING FROM THE INSIDE OUT. IS THE MANUFACTURER GOING TO ISSUE A RECALL ON THESE FRAMES AS THEY HAVE DONE ON TACOMAS AND TUNDR…
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VEHICLE FRAME IS RUSTING TO THE POINT OF PERFORATION. I DISCOVERED TODAY TWO HOLES, ONE ON EACH THE DRIVER AND PASSENGER SIDE, INNER FRAME RAILS JUST BEHIND THE REAR CROSSMEMBER. MY CONCERN IS IT MAY BE ROTTING FROM THE INSIDE OUT. IS THE MANUFACTURER GOING TO ISSUE A RECALL ON THESE FRAMES AS THEY HAVE DONE ON TACOMAS AND TUNDRAS? THIS CAR IS IN EXCELLENT CONDITION OTHERWISE AND I HAD PLANNED TO DRIVE IT FOR MUCH LONGER DUE TO ITS HANDLING AND SAFETY. *TR
NHTSA ODI #10639655
166,000 miles · Sep 7, 2014
StructureSuspension
THE 4RUNNER HAS DEVELOPED SURFACE RUST ON THE FRAME UNDERNEATH THE CAR. THE RUST IS ALSO APPARENT ON SUSPENSION COMPONENTS AND BRAKES. *TR
NHTSA ODI #10631403
140,000 miles · Aug 29, 2014
Suspension
I WAS GOING OVER A RAIL RD CROSSING, AND THERE WAS A LOUD BANG AND KNOCKING AFTER. BROUGHT IT TO A SHOP, AND THEY SAID THAT MY DRIVER SIDE UPPER, REAR SHOCK WENT THROUGH MY SHOCK MOUNT. *TR
NHTSA ODI #10629459
107,000 miles · May 10, 2014
Fuel System, GasolinePower TrainSuspension
WHEN DRIVING AT 70 MPH, THE VEHICLE VIBRATES ON THE HIGHWAY. I HAVE TAKEN THE VEHICLE CONSTANTLY TO THE DEALERSHIP FOR OVER TWO YEARS COMPLAINING ABOUT THIS PROBLEM AND THEY ALWAYS TOLD ME THAT NOTHING WAS WRONG. TODAY (5/10/14), THE MECHANIC AT THE DEALERSHIP PUT THE TRUCK ON A RACK AND RAN THE CAR AT 45 MPH AND THERE WAS VISIB…
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WHEN DRIVING AT 70 MPH, THE VEHICLE VIBRATES ON THE HIGHWAY. I HAVE TAKEN THE VEHICLE CONSTANTLY TO THE DEALERSHIP FOR OVER TWO YEARS COMPLAINING ABOUT THIS PROBLEM AND THEY ALWAYS TOLD ME THAT NOTHING WAS WRONG. TODAY (5/10/14), THE MECHANIC AT THE DEALERSHIP PUT THE TRUCK ON A RACK AND RAN THE CAR AT 45 MPH AND THERE WAS VISIBLE VIBRATION COMING FROM THE DRIVE SHAFT AND A LOUD NOISE THAT I COULD NEVER HEAR FROM WITHIN THE VEHICLE. ALL THIS TIME, I HAVE BEEN DRIVING A VEHICLE THAT I WAS UNAWARE COULD HAVE SNAPPED APART. THE SOUND CANNOT BE HEARD IN THE CABIN, SO I COULD NOT EVEN REPORT THAT AS A PROBLEM UNTIL TODAY. I PURCHASED THREE SETS OF NEW TIRES, HAD SHOCKS AND STRUTS REPLACED, AND BRAKE PADS TO NO AVAIL. FINALLY, AFTER SEARCHING THE WEB YESTERDAY, I REALIZED THAT THIS IS A COMMON PROBLEM WITH OTHER VEHICLES OF THE SAME MAKE AND MODEL. I'M NOT SURE IF THIS PROBLEM HAS CAUSED INJURY TO OTHERS, BUT THERE SHOULD BE A RECALL. THIS COULD CAUSE A POTENTIALLY FATAL ACCIDENT IF THAT SHAFT BREAKS. I READ THAT FOR SIMILAR MODELS (TOYOTA AND LEXUS), THE MANUFACTURER REPLACED THE PARTS UNDER WARRANTY, BUT NOTHING FOR THE 4RUNNER. THE DEALERSHIP IS CHARGING OVER $700 FOR THIS REPAIR. *TR
NHTSA ODI #10587585
158,000 miles · Jul 23, 2013
Power TrainSuspension
DRIVING DOWN THE HIGHWAY IN 2001 TOYOTA 4-RUNNER GOING ABOUT 60 AND ALL OF A SUDDEN THE REAR END/TIRES LOCKED UP AND GOT IT TO THE SIDE OF HIGHWAY BARELY AND THEN IT STARTED SMOKING REALLY BAD. VERY LUCKY THAT IT DIDN'T CAUSE A WRECK OR NO ONE GOT HURT. CAN'T DRIVE IT OR NOTHING, MAKES A LOUD KNOCKING NOISE IN THE REAR END…
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DRIVING DOWN THE HIGHWAY IN 2001 TOYOTA 4-RUNNER GOING ABOUT 60 AND ALL OF A SUDDEN THE REAR END/TIRES LOCKED UP AND GOT IT TO THE SIDE OF HIGHWAY BARELY AND THEN IT STARTED SMOKING REALLY BAD. VERY LUCKY THAT IT DIDN'T CAUSE A WRECK OR NO ONE GOT HURT. CAN'T DRIVE IT OR NOTHING, MAKES A LOUD KNOCKING NOISE IN THE REAR END AND ALSO WHEN YOU TURN THE KEY ON INSIDE THE VEHICLE ALL LIGHTS ARE ON AND ITS MAKING A TERRIBLE BUZZING NOISE. SO HAD TO HAVE IT TOWED AND THAT COST ME ALSO AND I NEED THE WHOLE REAR DIFFERENTIAL AND THAT'S A LOT OF MONEY. I'VE SEEN OTHER PROBLEMS/COMPLAINTS ABOUT THE SAME THING THAT HAPPENED TO MINE. I REALLY THINK SOMETHING SHOULD BE DONE ABOUT IT, TOYOTA SHOULD BE FIXING THE PROBLEM AND WE SHOULDN'T HAVE TO PAY FOR IT. HOPEFULLY SOMETHING GETS DONE ABOUT THIS. *TR
NHTSA ODI #10531528