NHTSA owner reports · September 18, 2026 snapshot.
Engine And Engine Cooling complaints
23 reportsClear category filter150,000 miles · Jul 31, 2014
EngineEngine And Engine Cooling
TL* THE CONTACTS OWNS A 2002 TOYOTA HIGHLANDER. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS, THE VEHICLE WOULD LEAK ANTIFREEZE AND THE TEMPERATURE GAUGE WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC, WHO DISCOVERED THAT THE MOTOR NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE …
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TL* THE CONTACTS OWNS A 2002 TOYOTA HIGHLANDER. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS, THE VEHICLE WOULD LEAK ANTIFREEZE AND THE TEMPERATURE GAUGE WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC, WHO DISCOVERED THAT THE MOTOR NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 150,000.
NHTSA ODI #10617928
100,000 miles · Dec 4, 2011
Engine And Engine Cooling
A COUPLE OF MONTHS AGO WHITE SMOKE EMITTED FROM THE EXHAUST PIPE. LAST WEEK, ON A TRIP WITHIN 400 MILES OF MY HOME, THE ENGINE AND VSC LIGHT CAME ON INTERMITTENTLY. I IMMEDIATELY CALLED TOYOTA AND WAS TOLD THAT THE CAR COULD STOP SUDDENLY AND LEAVE US STRANDED SO I MADE AN APPT FOR MONDAY MORNING. THE CAR RODE VERY ROUGH FOR T…
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A COUPLE OF MONTHS AGO WHITE SMOKE EMITTED FROM THE EXHAUST PIPE. LAST WEEK, ON A TRIP WITHIN 400 MILES OF MY HOME, THE ENGINE AND VSC LIGHT CAME ON INTERMITTENTLY. I IMMEDIATELY CALLED TOYOTA AND WAS TOLD THAT THE CAR COULD STOP SUDDENLY AND LEAVE US STRANDED SO I MADE AN APPT FOR MONDAY MORNING. THE CAR RODE VERY ROUGH FOR THE LAST TWO HOURS AND IT SEEMED AS IF IT IS READY TO STALL ANYTIME. TOYOTA CHARGED ME $ 321.00 FOR A COMPRESSION AND DIAGNOSTICS TEST. TOYOTA FOUND THAT I HAD LOW COMPRESSION. TOYOTA ALSO OFFERED TO TAKE APART MY ENGINE FOR 2667.00 TO SEE IF THE RINGS WERE DAMAGED. I REFUSED THE WORK AND PICKED UP MY CAR. WE CALLED AN ENGINE REPAIR BUSINESS. THE OWNER KNEW THE MAKE, MODEL AND YEAR OF MY CAR AND ASKED IF WE HAD JUST HIT THE 100,000 MILE MARKER. WE HAD. HE TOLD US OF THE OIL SLUDGE PROBLEM, SETTLEMENT AND FAULTY ALUMINUM ENGINES. I HAVE RESEARCHED SIMILAR CHARACTERISTICS WITH THE HIGHLANDER AND SEE THAT IT IS A COMMON PROBLEM FOR THE 2002 HIGHLANDER. THE SLUDGE SITUATION WOULD ONLY BE COVERED IF IT WAS WITHIN 8 YEARS OF THE PURCHASE DATE. WHAT ABOUT THE MANY CONSUMERS WHO STILL HAVE THIS PROBLEM AND IT IS PAST THE EIGHT YEARS? I BOUGHT THIS HIGHLANDER IN 2005, HAD IT SERVICED REGULARLY AND WE ALSO CHANGED THE OIL OURSELVES. IN 2008 I BROUGHT THE CAR INTO THE TOYOTA DEALERSHIP FOR A TUNE UP AND AN OIL CHANGE PRIOR TO A LONG TRIP. ON THE WAY HOME, THE ENGINE LIGHT CAME ON AND WE PULLED OVER TO A LOCAL GAS STATION AND THERE WAS LITERALLY NO OIL IN MY ENGINE. TOYOTA DID THE OIL CHANGE BUT DID NOT PUT 5 QUARTS OF OIL INTO MY CAR FOR THIS LONG TRIP. WHEN I RETURNED I DID CONFRONT THE DEALERSHIP BUT THEY DENIED ANY WRONGDOING. WE HAVE, SINCE THAT TIME PERIOD HAD TO ADD OIL CONTINUOUSLY. IT TURNS OUT THAT I WILL NEED TO REPLACE MY ENGINE FOR 4500.00. *TR
NHTSA ODI #10438512
109,200 miles · Nov 29, 2011
Engine And Engine Cooling
VEHICLE HAS TOYOTA 2AZ-FE (2.4 L) 4 CYLINDER ENGINE. OIL & COOLANT LEAKING FROM BACK OF ENGINE. HEAD BOLTS ON MAIN GASKET FAILED. IN SEARCHING INTERNET, COUNTLESS OTHER OWNERS HAVE UNFORTUNATELY EXPERIENCED THE SAME FAILURE WHICH IS DUE TO AN INHERENT DESIGN PROBLEM BY TOYOTA. BOLTS BETWEEN GASKET AND MAIN ENGINE BLOCK FAIL …
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VEHICLE HAS TOYOTA 2AZ-FE (2.4 L) 4 CYLINDER ENGINE. OIL & COOLANT LEAKING FROM BACK OF ENGINE. HEAD BOLTS ON MAIN GASKET FAILED. IN SEARCHING INTERNET, COUNTLESS OTHER OWNERS HAVE UNFORTUNATELY EXPERIENCED THE SAME FAILURE WHICH IS DUE TO AN INHERENT DESIGN PROBLEM BY TOYOTA. BOLTS BETWEEN GASKET AND MAIN ENGINE BLOCK FAIL AND CANNOT BE REPAIRED OR REPLACED. HAVE TO BUY AND INSTALL A NEW ENGINE. CALLED TOYOTA USA HEADQUARTERS IN TORRANCE, CA. AND SPOKE TO THEM, THEY SAID THEY WILL DO NOTHING FOR ME. SPOKE TO DYLAN AND THE CASE NUMBER IS 1111291430. I BELIEVE THAT A RECALL SHOULD BE ISSUED AND THAT TOYOTA SHOULD ASSUME FINANCIAL RESPONSIBILITY FOR THESE FAILURES, WHICH ARE OBVIOUSLY DUE TO A DESIGN AND MANUFACTURING PROBLEM OF TOYOTA. *KB
NHTSA ODI #10437708
126,000 miles · Jan 26, 2011
Engine And Engine CoolingFire
I PURCHASED A NEW 2002 TOYOTA HIGHLANDER FROM SIERRA TOYOTA OF LANCASTER, CA. I HAVE EXPERIENCED NO PROBLEMS WITH THIS VEHICLE UNTIL 25 JAN. 2011 WHEN THE ENGINE OVERHEATED WHILE DRIVING 40MPH ON CITY STREET. I TOOK MY VEHICLE TO MY MECHANIC AND HE INFORMED ME OF A PROBLEM WITH THE 2.4L 4CYL TOYOTA ENGINES IN WHICH SOME OF THE H…
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I PURCHASED A NEW 2002 TOYOTA HIGHLANDER FROM SIERRA TOYOTA OF LANCASTER, CA. I HAVE EXPERIENCED NO PROBLEMS WITH THIS VEHICLE UNTIL 25 JAN. 2011 WHEN THE ENGINE OVERHEATED WHILE DRIVING 40MPH ON CITY STREET. I TOOK MY VEHICLE TO MY MECHANIC AND HE INFORMED ME OF A PROBLEM WITH THE 2.4L 4CYL TOYOTA ENGINES IN WHICH SOME OF THE HEAD BOLTS BECOME LOOSE/STRIPPED WHERE THEY ATTACH AT THE ENGINE BLOCK. I CALLED SIERRA TOYOTA OF LANCASTER AND THEY DENIED ANY KNOWLEDGE OF THIS PROBLEM. ON FURTHER INVESTIGATION, I DISCOVERED THAT SIERRA TOYOTA HAD A SPECIALIST SERVICING ONE OF THEIR VEHICLES BY PLACING INSERTS INTO THE STRIPPED HOLES THE VERY NEXT DAY. SIERRA TOYOTA REFUSED TO GIVE ME ANY MONETARY ASSISTANCE IN REPAIRING MY VEHICLE. AFTER RESEARCHING THE BOLT PROBLEM ON THE INTERNET, I HAVE FOUND NUMEROUS TOYOTA OWNERS WITH THE SAME ENGINE, THAT HAVE HAD THE EXACT SAME PROBLEM WITH THEIR VEHICLES. THE ONLY FIX IS EITHER A COMPLETE ENGINE REPLACEMENT OR HAVING AN EXPENSIVE ANCHOR-BOLT REDO. MY COSTS LOOK LIKE TO BE ABOUT $2500, IF THERE IS NO OTHER DAMAGE FOUND DUE TO THE OVER-HEATING. AT THIS POINT, I DON'T EVEN KNOW IF THE NEW ANCHOR-BOLT SYSTEM WILL WORK. MY VEHICLE WAS ALWAYS WELL-MAINTAINED AND CURRENTLY HAS APX. 126,000 MILES ON IT. *TR
NHTSA ODI #10378873
75,000 miles · Oct 18, 2010
Engine And Engine Cooling
SOME EARLIER MODELS OF TOYOTA'S 2AZ-FE 4 CYLINDER ENGINE ARE SUSCEPTIBLE TO SUDDEN FAILURE AND ARE DANGEROUS. THE ENGINE IS WIDELY USED IN TOYOTA'S POPULAR CAMRY, HIGHLANDER, RAV4 AND SCION TC MODELS. TOYOTA NEEDS TO ACCEPT RESPONSIBILITY AND INVESTIGATE THE ENGINE. ON 9/11/2010, 2002 TOYOTA HIGHLANDER'S 2AZ-FE ENGINE FAILED …
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SOME EARLIER MODELS OF TOYOTA'S 2AZ-FE 4 CYLINDER ENGINE ARE SUSCEPTIBLE TO SUDDEN FAILURE AND ARE DANGEROUS. THE ENGINE IS WIDELY USED IN TOYOTA'S POPULAR CAMRY, HIGHLANDER, RAV4 AND SCION TC MODELS. TOYOTA NEEDS TO ACCEPT RESPONSIBILITY AND INVESTIGATE THE ENGINE. ON 9/11/2010, 2002 TOYOTA HIGHLANDER'S 2AZ-FE ENGINE FAILED AND LEFT OCCUPANTS STRANDED. EVENT TOOK PLACE IMMEDIATELY AFTER EXITING THE HIGHWAY. THE VEHICLE'S ENGINE SPUTTERED AND CEASED TO FUNCTION. THE VEHICLE HAD ABOUT 75,000 MILES ON IT. THE VEHICLE WAS TOWED TO A TOYOTA DEALERSHIP WHICH REPORTED THE FOLLOWING: - OIL AND COOLANT LEAKING FROM THE BACK OF THE ENGINE HEAD - HYDROCARBON IN THE COOLANT - OIL SEVERELY BURNT DUE TO OVERHEATING THE ESTIMATE TO OPEN UP AND REPAIR THE ENGINE COULD RUN ANYWHERE FROM $2,000 TO $7,500 DEPENDING ON WHETHER THE ENGINE BLOCK NEEDED TO BE REPLACED. THE VEHICLE HAD BEEN REGULARLY MAINTAINED ACCORDING TO THE MANUFACTURER'S SCHEDULE WITH ALL THE RECORDS TO PROVE IT. TOYOTA DENIED REQUEST TO INVESTIGATE AND DEFRAY COSTS. WHILE ENGINE WAS OPENED BY A LOCAL MECHANIC IT WAS DISCOVERED THAT TWO OF THE HEAD BOLTS WERE LOOSE AND THAT THE THREADS IN THE ALUMINUM ENGINE BLOCK FOR 3 HEAD BOLTS IN THE REAR WERE STRIPPED. REPAIRING THE ENGINE INVOLVED RE-THREADING THE HOLES IN THE ENGINE BLOCK FOR ALL TEN HEAD BOLTS USING THE TIME-SERT THREAD REPAIR KIT. *TR
NHTSA ODI #10361053
Mileage unknown · Jul 10, 2010
Engine And Engine Cooling
IN JUNE 2008, I WAS DRIVING WHEN MY ENGINE APPARENTLY MELTED DOWN. IT WENT COMPLETELY HOT. I PULLED OVER AND THERE WAS WHAT APPEARED TO BE COOLANT POOLED UNDER THE CAR. PRIOR TO THIS ALL SCHEDULED MAINTENANCE HAD BEEN DONE AND THERE WAS NO INDICATION OF ANY TROUBLE WITH THE CAR EARLIER THAT DAY. I LATER TOOK IT TO MY MECHANIC W…
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IN JUNE 2008, I WAS DRIVING WHEN MY ENGINE APPARENTLY MELTED DOWN. IT WENT COMPLETELY HOT. I PULLED OVER AND THERE WAS WHAT APPEARED TO BE COOLANT POOLED UNDER THE CAR. PRIOR TO THIS ALL SCHEDULED MAINTENANCE HAD BEEN DONE AND THERE WAS NO INDICATION OF ANY TROUBLE WITH THE CAR EARLIER THAT DAY. I LATER TOOK IT TO MY MECHANIC WHO SAID HE HAD NEVER SEEN ANYTHING LIKE THAT IN HIS LIFE. THE ENGINE HAD LITERALLY MELTED. HE THEN TRIED TO CALL TOYOTA AND GOT IN CONTACT WITH SOMEONE BUT THEY COULDN'T FIGURE OUT WHAT HAPPENED EITHER AND WAS UNWILLING TO DEAL WITH IT. HE SAID IT OBVIOUSLY HAD TO BE A FACTORY DEFECT. IT COST ME A WHOLE NEW ENGINE. *TR
NHTSA ODI #10342377
110,000 miles · Apr 29, 2010
Engine And Engine Cooling
MY 2002 TOYOTA HIGHLANDER V6 BROKE DOWN ON THE SIDE OF THE ROAD. I HAD IT TOWED TO THE TOYOTA DEALERSHIP WHERE THEY INFORMED ME THAT OIL SLUDGE HAS CLOGGED MY ENGINE AND I WOULD HAVE TO HAVE IT REPLACED TO THE TUNE OF $6000. I WAS SHOCKED BECAUSE I ALWAYS GOT MY OIL CHANGED WELL BEFORE THE SUGGESTED 7500 MILE MARK. I DID SOME RE…
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MY 2002 TOYOTA HIGHLANDER V6 BROKE DOWN ON THE SIDE OF THE ROAD. I HAD IT TOWED TO THE TOYOTA DEALERSHIP WHERE THEY INFORMED ME THAT OIL SLUDGE HAS CLOGGED MY ENGINE AND I WOULD HAVE TO HAVE IT REPLACED TO THE TUNE OF $6000. I WAS SHOCKED BECAUSE I ALWAYS GOT MY OIL CHANGED WELL BEFORE THE SUGGESTED 7500 MILE MARK. I DID SOME RESEARCH ONLINE AND FOUND OUT MY CAR WAS PART OF A RECALL AND CLASS ACTION SUIT. THEY NEVER SENT A RECALL NOTICE. WE PURCHASED THE CAR WHEN IT WAS 2 YEARS OLD. I CONTACTED TOYOTA USA AND THEY CONFIRMED THAT IT WAS OIL SLUDGE BUT SINCE A WAS A COUPLE MONTHS BEYOND THE CLASS ACTION SUIT OF 8 YEARS. I ARGUED THAT THEY NEVER SENT US A RECALL NOTICE. THEY PRETTY MUCH SAID TOUGH LUCK. I WAS LUCKY I WAS ABLE TO GET MY CAR TO THE SIDE OF THE ROAD SAFELY ( MY 5 YEAR OLD DAUGHTER WAS IN THE BACK). I DON'T FEEL TOYOTA MADE ENOUGH OF AN EFFORT TO LET THE CUSTOMER KNOW OF THESE ISSUES.. I FEEL THEY WERE INTERESTED IN PROTECTING THEIR REPUTATION ABOVE THEIR CUSTOMERS SAFETY. I WOULD HAVE CERTAINLY GOTTEN THE CAR FIX IF THEY HAD SENT THE RECALL NOTICE. I WILL NOT PAY $6000 FOR SOMETHING THAT TOYOTA SHOULD. THESE CARS ARE DANGEROUS AND THIS COMPANY IS WRECK-LESS. *TR
NHTSA ODI #10328086
134,871 miles · Mar 11, 2010
Engine And Engine Cooling
4 CYLINDER ENGINE BLOCKED WARPED WHERE HEAD MEETS BLOCK. HEAD BOLTS WERE STRIPPED AND COULD NOT BE TIGHTENED DOWN. FOLLOWING LINK DESCRIBES THE PROBLEM WE ENCOUNTERED WITH OUR 2002 HIGHLANDER WHICH HAS THE SAME 2.4 LTR 4 CYLINDER ENGINE AS THE CAMRY. HTTP://WWW.TUNDRASOLUTIONS.COM/FORUMS/ CAMRY/148454-CAMRY-WITH-STRIPPED-HEAD-…
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4 CYLINDER ENGINE BLOCKED WARPED WHERE HEAD MEETS BLOCK. HEAD BOLTS WERE STRIPPED AND COULD NOT BE TIGHTENED DOWN. FOLLOWING LINK DESCRIBES THE PROBLEM WE ENCOUNTERED WITH OUR 2002 HIGHLANDER WHICH HAS THE SAME 2.4 LTR 4 CYLINDER ENGINE AS THE CAMRY. HTTP://WWW.TUNDRASOLUTIONS.COM/FORUMS/ CAMRY/148454-CAMRY-WITH-STRIPPED-HEAD-BOLTS/ ALL DIAGNOSIS AND REPAIR OF OUR HIGHLANDER WAS DONE AT A TOYOTA DEALERSHIP IN ROSWELL, GA. *TR
NHTSA ODI #10318846
1,000 miles · Mar 9, 2010
Engine And Engine CoolingCrashInjury
MAY 17, 2002, I WAS IN A CAR ACCIDENT WITH MY 3 MONTH OLD 2002 TOYOTA HIGHLANDER. I WAS TRAVELING IN THE RIGHT HAND LANE ON HIGHWAY 80 WEST BOUND BETWEEN DAVIS, CA AND SAN FRANCISCO CA AT 8:30 AM. ACCORDING TO THE POLICE REPORT FROM EYE WITNESSES, MY VEHICLE LEFT THE ROADWAY WITHOUT ANY BRAKE LIGHTS, WENT THROUGH A CYCLONE FEN…
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MAY 17, 2002, I WAS IN A CAR ACCIDENT WITH MY 3 MONTH OLD 2002 TOYOTA HIGHLANDER. I WAS TRAVELING IN THE RIGHT HAND LANE ON HIGHWAY 80 WEST BOUND BETWEEN DAVIS, CA AND SAN FRANCISCO CA AT 8:30 AM. ACCORDING TO THE POLICE REPORT FROM EYE WITNESSES, MY VEHICLE LEFT THE ROADWAY WITHOUT ANY BRAKE LIGHTS, WENT THROUGH A CYCLONE FENCE, CONTINUED .10 MILES AND DOWN INTO A RAVINE. BRAKE LIGHTS NEVER CAME ON AND THE CAR NEVER SLOWED. I WAS LIFE FLIGHTED TO THE JOHN MUIR MEDICAL CENTER TRAUMA UNIT. I ARRESTED IN THE HELICOPTER. I SUFFERED A SIGNIFICANT TRAUMATIC BRAIN INJURY, MULTIPLE FRACTURES, INCLUDING A SHATTERED JAW AND A PARALYZED VOCAL CHORD. NO OTHER VEHICLE WAS INVOLVED IN THE INCIDENT. *TR
NHTSA ODI #10318290
Mileage unknown · Feb 24, 2010
Engine And Engine Cooling
I BOUGHT A NEW TOYOTA HIGHLANDER IN 2002. I'M NOT SURE ABOUT THE EXACT YEAR, BUT I'M GUESSING IN 2004-5, I ALSO EXPERIENCED THE SUDDEN RACING ACCELERATOR PROBLEM AROUND 4 TIMES. EACH TIME I WAS ABLE TO PULL OVER AND PUT THE CAR IN NEUTRAL WHILE THE ENGINE RACED. I TURNED THE ENGINE OFF, AND IT WORKED PROPERLY AFTER RESTARTING…
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I BOUGHT A NEW TOYOTA HIGHLANDER IN 2002. I'M NOT SURE ABOUT THE EXACT YEAR, BUT I'M GUESSING IN 2004-5, I ALSO EXPERIENCED THE SUDDEN RACING ACCELERATOR PROBLEM AROUND 4 TIMES. EACH TIME I WAS ABLE TO PULL OVER AND PUT THE CAR IN NEUTRAL WHILE THE ENGINE RACED. I TURNED THE ENGINE OFF, AND IT WORKED PROPERLY AFTER RESTARTING. IT HASN'T HAPPENED IN THE LAST MAYBE 5 YEARS. I REPORTED THIS TO THE TOYOTA DEALER, AND THEY TOLD ME IT WAS A FLOOR MAT PROBLEM. I DIDN'T BELIEVE IT, BECAUSE I EXPERIENCED THIS, AND THE FLOOR MAT HAD NOTHING TO DO WITH IT. AS I SAID, IT HASN'T HAPPENED SINCE, SO I DIDN'T FOLLOW UP ON IT. THERE WAS NO ACCIDENT, AND NO ONE HURT, BUT I SEE THAT TOYOTA HAS NOT INCLUDED THE 2002 HIGHLANDER AS A PROBLEM CAR, BUT I KNOW THAT IT IS. I DON'T WANT ANYONE BEING HURT BY THIS YEAR AND MODEL CAR EITHER. I STILL DRIVE THIS CAR. THANKS FOR ANYTHING YOU CAN DO TO FIX THE PROBLEM. *TR
NHTSA ODI #10313520