NHTSA owner reports · September 18, 2026 snapshot.
Power Train complaints
28 reportsClear category filter170,000 miles · Jul 18, 2018
Power TrainStructure
TL* THE CONTACT OWNS A 2001 TOYOTA 4RUNNER. WHILE THE CONTACT WAS AT AN INDEPENDENT MECHANIC FOR A MUFFLER REPLACEMENT, HE WAS INFORMED THAT THE VEHICLE FRAME WAS SEVERELY RUSTED. THE MECHANIC STATED THAT THE MUFFLER COULD NOT BE REPLACED AND A LEAK WAS PRESENT. THE DEALER (MCGEE TOYOTA OF HANOVER, 860 WASHINGTON ST, HANOVER, MA…
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TL* THE CONTACT OWNS A 2001 TOYOTA 4RUNNER. WHILE THE CONTACT WAS AT AN INDEPENDENT MECHANIC FOR A MUFFLER REPLACEMENT, HE WAS INFORMED THAT THE VEHICLE FRAME WAS SEVERELY RUSTED. THE MECHANIC STATED THAT THE MUFFLER COULD NOT BE REPLACED AND A LEAK WAS PRESENT. THE DEALER (MCGEE TOYOTA OF HANOVER, 860 WASHINGTON ST, HANOVER, MA 02339, (866) 942-1756) INFORMED THE CONTACT THAT THE FRAME AND DIFFERENTIAL HOUSING NEEDED TO BE REPLACED. THE DIFFERENTIAL HOUSING WAS REPAIRED, BUT THE FRAME WAS NOT. THE MANUFACTURER WAS MADE AWARE OF THE FAILURES. THE FAILURE MILEAGE WAS 170,000.
NHTSA ODI #11112217
100,000 miles · Jan 1, 2016
EnginePower TrainStructure
SINCE I GOT THE CAR, THE IGNITION KEY DOES NOT GET IN PROPERLY AND SOMETIMES DOES NOT START THE CAR. THE MOVEMENT OF THE WHEEL HELPS SOMETIMES. THERE HAVE ALSO BEEN LEAKING ENGINE COVERS THAT NEEDED TO BE REPLACED. THE STRUCTURE GETS RUSTY AND THERE IS PROBLEM WITH TRANSMISSION.
NHTSA ODI #10817356
113 miles · Aug 13, 2015
Power TrainStructure
ECCESIVE RUST ON THE FRAME AND BODY MAKES IT UNSAFE TO DRIVE AS INTENDED
NHTSA ODI #10748600
80,000 miles · Apr 12, 2015
Power Train
VEHICLE WAS PARKED IN MY GRAVEL DRIVEWAY. MY HOME CONTRACTOR SMELLED AN ODOR & DISCOVERED THAT MY REAR WAS LEAKING GEAR OIL. MY HUSBAND, WHO IS SOMEWHAT HANDY WITH CARS, ENDED UP SANDING OFF LOTS OF RUST ON THE PUMPKIN, THEN CLEANED IT & USED JB WELD TO SEAL WHERE HE THOUGHT THE LEAK WAS COMING FROM. (WHERE THE PARKING BRAKE CAB…
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VEHICLE WAS PARKED IN MY GRAVEL DRIVEWAY. MY HOME CONTRACTOR SMELLED AN ODOR & DISCOVERED THAT MY REAR WAS LEAKING GEAR OIL. MY HUSBAND, WHO IS SOMEWHAT HANDY WITH CARS, ENDED UP SANDING OFF LOTS OF RUST ON THE PUMPKIN, THEN CLEANED IT & USED JB WELD TO SEAL WHERE HE THOUGHT THE LEAK WAS COMING FROM. (WHERE THE PARKING BRAKE CABLE WAS ATTACHED.) THIS ACTUALLY HELD FOR SEVERAL YEARS. WELL, NOW AT APPROX. 125,000 MILES, THE LEAK IS BACK WITH A VENGEANCE! AND COMING FROM A DIFFERENT PLACE OR PLACES. THE RUST IS BAD. NO ONE CAN BELIEVE IT. I HAVE TAKEN IT TO THE MECHANIC IN TOWN TWICE IN THE PAST 2 WEEKS, WHERE HE HAS TRIED TO SEAL IT WHILE IT WAS UP ON A LIFT, BUT IT KEEPS LEAKING BADLY. I DO NOT DRIVE THAT OFTEN BUT DO HAVE TO MAKE A 100 MILE ROUND TRIP AT LEAST ONCE A WEEK, & UPON ARRIVING HOME JUST NOW, IT IS A MESS AGAIN. MY HUSBAND JUST PUT IN ABOUT 20 OZ. OF GEAR OIL & WE ARE WONDERING WHAT TO DO NEXT. I HAVE BEEN READING ON 4 RUNNER INTERNET FORUMS ABOUT MANY OTHERS WITH THE SAME PROBLEM. THIS IS TOTALLY UNACCEPTABLE. THESE VEHICLES ARE DEFINITELY NOT WHAT YOU WOULD CALL CHEAP TO BUY, BUT APPARENTLY THEY ARE CHEAPLY MADE WITH INFERIOR METAL. I AM AFRAID TO DRIVE MY 4 RUNNER, & ALSO CANNOT AFFORD AN EXPENSIVE REPAIR. IF THIS RUSTING IS HAPPENING TO SO MANY OTHER 4 RUNNER OWNERS, THEN TOYOTA SHOULD DO SOMETHING ABOUT IT. I TOOK CARE OF MY VEHICLE, BUT IT MAY NOT BE TAKING CARE OF ME! PLEASE HELP! *TR
NHTSA ODI #10705190
98,528 miles · Mar 25, 2015
Power Train
TL* THE CONTACT OWNS A 2001 TOYOTA 4RUNNER. THE CONTACT STATED THAT WHILE EXITING OUT OF A PARKING SPACE, THERE WAS AN OIL STAIN ON THE GROUND. THE CONTACT NOTICED THAT THE OIL WAS LEAKING FROM THE REAR DIFFERENTIAL. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE …
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TL* THE CONTACT OWNS A 2001 TOYOTA 4RUNNER. THE CONTACT STATED THAT WHILE EXITING OUT OF A PARKING SPACE, THERE WAS AN OIL STAIN ON THE GROUND. THE CONTACT NOTICED THAT THE OIL WAS LEAKING FROM THE REAR DIFFERENTIAL. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 98,528.
NHTSA ODI #10701753
138,000 miles · Dec 20, 2014
Power Train
ON THE REAR END DIFFERENTIAL HOUSING, THE BACK COVER AREA (NON REPLACEABLE) HAS BECOME SO POROUS BECAUSE OF HEAVY RUST SCALING AND FLAKING THAT DIFFERENTIAL FLUID SEEPS FROM IT. THE REST OF THE DIFFERENTIAL HOUSING IS MADE OF THICKER, HEAVIER GAUGE METAL AND SEEMS OK. THIS ISSUE WILL CAUSE THE GEAR OIL TO DROP BELOW THE REQUIRED…
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ON THE REAR END DIFFERENTIAL HOUSING, THE BACK COVER AREA (NON REPLACEABLE) HAS BECOME SO POROUS BECAUSE OF HEAVY RUST SCALING AND FLAKING THAT DIFFERENTIAL FLUID SEEPS FROM IT. THE REST OF THE DIFFERENTIAL HOUSING IS MADE OF THICKER, HEAVIER GAUGE METAL AND SEEMS OK. THIS ISSUE WILL CAUSE THE GEAR OIL TO DROP BELOW THE REQUIRED LEVEL CAUSING DIFFERENTIAL FAILURE OR LOCK UP AND AT HIGHWAY SPEEDS COULD BE DISASTROUS. WHEN I REALIZED I HAD THIS PROBLEM, I SEARCHED THE TOYOTA FORUMS ONLINE AND IT APPEARS TO BE A VERY COMMON ISSUE WITH THESE VEHICLES AND TOYOTA IS AWARE BUT WILL DO NOTHING ABOUT IT. THEY WILL REPLACE ENTIRE RUSTED OUT FRAMES ON TRUCKS UNDER RECALL, BUT REFUSE TO ADDRESS THIS ISSUE? TO ADD INSULT TO INJURY THEY WANT $3000 TO REPLACE A KNOWN INFERIOR/DEFECTIVE PART. I HAVE HAD TO RESORT TO MAKESHIFT REPAIRS USING BRUSH ON BED LINER TO STEM THE LEAKING AND CHECK THE FLUID TO KEEP IT FULL. BUT WHAT ABOUT PEOPLE WHO ARE NOT MECHANICALLY INCLINED OR WHO ARE COMPLETELY UNAWARE?
NHTSA ODI #10667419
150,000 miles · Nov 3, 2014
Power Train
TL* THE CONTACT OWNS A 2001 TOYOTA 4RUNNER. THE CONTACT STATED THAT THE DIFFERENTIAL HOUSING CORRODED AND CAUSED FLUID TO LEAK. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 150,000.
NHTSA ODI #10652028
198,000 miles · Nov 2, 2014
Power TrainService BrakesSuspension
ON OCTOBER 11TH 2014, I WAS DRIVING MY 2001 4RUNNER, ON MY WAY TO WORK. HAD JUST TURNED OFF A ROAD WITH A SPEED LIMIT OF 55. AS I HIT 35MPH, MY CAR COMES TO A JOLTING STOP WITH A LOUD BANG AND DRAG ON THE TIRES. THE CAR STILL RAN, BUT THE CAR WOULDN'T MOVE. I HAD TO FINISH WALKING TO MY JOB, AS I WAS CELLPHONE-LESS AT THE TIME. …
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ON OCTOBER 11TH 2014, I WAS DRIVING MY 2001 4RUNNER, ON MY WAY TO WORK. HAD JUST TURNED OFF A ROAD WITH A SPEED LIMIT OF 55. AS I HIT 35MPH, MY CAR COMES TO A JOLTING STOP WITH A LOUD BANG AND DRAG ON THE TIRES. THE CAR STILL RAN, BUT THE CAR WOULDN'T MOVE. I HAD TO FINISH WALKING TO MY JOB, AS I WAS CELLPHONE-LESS AT THE TIME. I HAD TO PAY TO HAVE MY CAR TOWED HOME, MISSING AN ENTIRE DAY'S WORK, WHICH WAS A LOSS OF 120$. 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
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
190,000 miles · Jan 20, 2014
Power Train
REAR DIFFERENTIAL HAS HAD NORMAL WEAR UP UNTIL RECENTLY WHEN I NOTICED A SECTION OF THE REAR DIFF LEAKING AND ROTTING. THE WAY THE REAR AXLE HOUSING IS BUILD IT DOES NOT HAVE A REAR COVER LIKE MOST. BUT THAT IS THE SECTION THAT HAS FLAKED AND BEGUN TO LEAK. THE FILL PLUG IS IN THE SAME AREA WHICH ALSO IS RUSTED. MAKING IT NOT PO…
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REAR DIFFERENTIAL HAS HAD NORMAL WEAR UP UNTIL RECENTLY WHEN I NOTICED A SECTION OF THE REAR DIFF LEAKING AND ROTTING. THE WAY THE REAR AXLE HOUSING IS BUILD IT DOES NOT HAVE A REAR COVER LIKE MOST. BUT THAT IS THE SECTION THAT HAS FLAKED AND BEGUN TO LEAK. THE FILL PLUG IS IN THE SAME AREA WHICH ALSO IS RUSTED. MAKING IT NOT POSSIBLE TO CHECK THE FLUID LEVEL. IF YOUR IN A SPOT WERE YOU DON'T HAVE THE FINANCES TAKE CARE OF THE PROBLEM IT LEAVES YOU IN A SPOT OF DRIVE IT TILL THE REAR END DETONATES. BEING AS THIS IS A COMMON PROBLEM FOR TOYOTA AND IT BEING A ONE PART FIX. I FEEL TOYOTA NEEDS TO LOOK INTO COVERING IT UNDER WARRANTY OR AT LEAST GOOD WILLING PARTS PRICES THAN LEAVING MYSELF AND OTHERS IN THE SPOT OF A $3,000.00 BILL DUE A KNOWN PROBLEM. *TR
NHTSA ODI #10560603