NHTSA owner reports · September 18, 2026 snapshot.
Engine And Engine Cooling complaints
46 reportsClear category filter75,000 miles · Sep 22, 2009
Engine And Engine Cooling
THIS PERTAINS TO MY WIFE'S 2003 TOYOTA HIGHLANDER SUV, 4 CYLINDER ENGINE. ON FRIDAY, AUGUST 28, 2009, WHILE DRIVING SHE NOTICED THE TEMPERATURE GAGE ON THE DASHBOARD WAS HIGH. SHE DROVE THE CAR HOME AND CHECKED THE COOLANT LEVEL. IT WAS EXTREMELY LOW. SHE REFILLED THE COOLANT AND DIDN'T DRIVE THE SUV UNTIL SHE WENT TO HER APPOI…
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THIS PERTAINS TO MY WIFE'S 2003 TOYOTA HIGHLANDER SUV, 4 CYLINDER ENGINE. ON FRIDAY, AUGUST 28, 2009, WHILE DRIVING SHE NOTICED THE TEMPERATURE GAGE ON THE DASHBOARD WAS HIGH. SHE DROVE THE CAR HOME AND CHECKED THE COOLANT LEVEL. IT WAS EXTREMELY LOW. SHE REFILLED THE COOLANT AND DIDN'T DRIVE THE SUV UNTIL SHE WENT TO HER APPOINTMENT ON WEDNESDAY, SEPTEMBER 9, 2009 WITH THE HAWAII TOYOTA DEALER SERVCO'S MOTOR IMPORTS SERVICE & PARTS CENTER AT 609 SOUTH STREET, HONOLULU, HAWAII 96813. THEY TOLD HER THE ENGINE HAD A BLOWN HEAD GASKET. WE UNDERSTAND THIS IS BECAUSE THE CYLINDER HEAD BOLTS ARE STRIPPED ON THE BACK SIDE OF THE ENGINE. THIS IS WHAT CAUSED THE COOLANT LEAK IN THE FIRST PLACE. SERVCO TOLD US THAT THE SURE REPAIR (A WHOLE NEW ENGINE) WOULD EXCEED $20,000, AND THE LESS SURE REPAIR (TRYING TO FIX THE OLD ENGINE) WOULD COST $13,000. WE PICKED UP THE CAR THE NEXT DAY AND TOOK IT TO PRIAM'S AUTOMOTIVE SERVICE & REPAIR AT 2002 PAUOA ROAD. THEY DID A QUICK TEST AND SAID THAT THE HEAD GASKET WAS INDEED BLOWN, AND REFERRED US TO ROD'S AUTO SERVICE AT 972 KAWAIAHAO STREET BECAUSE PRIAM'S WAS NOT EQUIPPED TO HANDLE THAT MAGNITUDE OF REPAIR. ROD'S HAS ADVISED US THAT THE BEST SOLUTION IS REPLACING THE ENTIRE ENGINE WITH A REBUILT ENGINE FOR $5,000, BUT THIS HAS BECOME A COMMON PROBLEM WITH TOYOTA HIGHLANDERS AND LOCATING A REBUILT ENGINE ON THE MAINLAND WILL TAKE TIME. IN DOING SOME INTERNET RESEARCH, I'VE LEARNED THAT CAMRYS OF THE SAME VINTAGE HAVE ALSO DEVELOPED SIMILAR PROBLEMS, BUT IT LOOKS LIKE TOYOTA IS REFUSING TO RECALL THE VEHICLES AND FIX THE DESIGN FLAW. HTTP://WWW.CAMRYFORUMS.COM/FORUM/SHOWTHREAD.PHP?P=21539 TO DATE, THE VEHICLE REMAINS IN DISREPAIR. *TR
NHTSA ODI #10284920
102,000 miles · Jul 10, 2009
Engine And Engine Cooling
ENGINE OVERHEATED. SERVICE DEPT DIAGNOSED BAD HEAD GASKET. DISCOVERED STRIPPED THREADS IN THE BLOCK FOR TWO REAR HEAD BOLTS. SERVICE DEPT ATTEMPTED REPAIR WITH RETHREADED HELICOIL BUT WOULD NOT HOLD. ENGINE REPLACEMENT IS REQUIRED. *TR
NHTSA ODI #10276375
105,000 miles · Jul 1, 2009
Engine And Engine Cooling
I HAVE A 2003 TOYOTA HIGHLANDER WITH A @AZFE MOTOR IN IT. THERE IS A MAJOR PROBLEM WITH THESE MOTORS STRIPPING OUT THE HEADBOLTSIN THE BACK OF THE MOTOR. I AM NOW IN A PREDICAMENT AS I HAVE TO GET A BLOCK WHEN I KNOW IT WILL MESS UP AGAIN AND TOYOTA HAS AS OF YET TO DO ANYTHING ABOUT IT. *TR
NHTSA ODI #10275428
68,500 miles · Jun 15, 2009
Engine And Engine Cooling
I NOTICED THAT THE ENGINE NOISE CHANGED. TOOK THE SUV TO THE DEALER TO CHECK IT OUT, DEALER STATED THAT THE NOISE WAS OK AND RETURNED THE VEHICLE TO ME. AFTER DRIVING THE VEHICLE LESS THAN 10 MILES RETURNED IT TO THE DEALER AND THE ENGINE WAS BLOWN. *TR
NHTSA ODI #10273804
68,000 miles · May 15, 2009
Engine And Engine Cooling
WHILE DRIVING ON THE HIGHWAY, MY ENGINE TEMP IN MY 4 CYL, 4WD 2003 HIGHLANDER SUDDENLY SPIKED HIGH. I HAD TO PULL OF THE ROAD. TOWED TO DEALER. DEALER SAID BOLTS ON SHORT BLOCK OF ENGINE WERE STRIPPED AND ALLOWED COOLANT TO LEAK OUT AND ENGINE OVERHEATED. I WAS AT 68,000 MILES, SO OVER THE WARRANTY PERIOD. I TOOK IT TO MY L…
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WHILE DRIVING ON THE HIGHWAY, MY ENGINE TEMP IN MY 4 CYL, 4WD 2003 HIGHLANDER SUDDENLY SPIKED HIGH. I HAD TO PULL OF THE ROAD. TOWED TO DEALER. DEALER SAID BOLTS ON SHORT BLOCK OF ENGINE WERE STRIPPED AND ALLOWED COOLANT TO LEAK OUT AND ENGINE OVERHEATED. I WAS AT 68,000 MILES, SO OVER THE WARRANTY PERIOD. I TOOK IT TO MY LOCAL DEALER AND THEY SAID I HAD A BAD WATER PUMP...I PAID TO HAVE THAT FIXED, BUT THE CAR STILL OVERHEATED. I TOOK IT BACK TO THE DEALER AND THEY THEN SAID IT WAS THE ENGINE ITSELF..THE SHORT BLOCK, SOMETHING ABOUT THE SCREWS WERE STRIPPED, THAT I HAD GOTTEN A BAD ENGINE WITH STRIPPED SCREWS. DEALERS SERVICE MANAGER TOLD ME THIS WAS A KNOWN ISSUE ON SOME 4CYL 2003 HIGHLANDER BUT COULDN'T HELP ME AS IT WAS OUT OF WARRANTY!!! THE SERVICE MANAGER CALLED ME BACK LATER AND SAID THAT TOYOTA WOULD HELP OUT...I ENDED UP PAYING A TOTAL OF ALMOST $1000 FOR THE REPLACEMENT SHORT BLOCK, WITH TOYOTA PAYING THE REST OF THE COST FOR THE SHORT BLOCK REPLACEMENT. THIS WAS ON TOP OF THE COST I PAID JUST A FEW DAYS PRIOR FOR A WATER PUMP THAT TURNED OUT TO NOT BE THE ISSUE. VERY FRUSTRATING...I HAVE ALL MY RECEIPTS FOR MAINTENANCE AND FOR THESE REPAIRS. *TR I AM FILLING OUT THIS COMPLAINT OVER A YEAR AFTER THE INCIDENT, BECAUSE I HAVE SEEN THE SAME THING IN THE COMPLAINTS AND WANTED TO ADD MINE. I DO HAVE ALL THE DOCUMENTATION FOR MY REPAIRS FOR THIS AND AM MORE THAN WILLING TO ANSWER ANY QUESTIONS, THANK YOU.
NHTSA ODI #10268801
64,417 miles · May 1, 2009
Engine And Engine Cooling
THE SUV WAS OUT OF COOLANT & WATER AND MY HUSBAND TAKE THE CAR TO THE DEALER TO CHECK THIS PROBLEM AND FOR REGULAR MAINTENANCE (THE CAR ONLY HAS RECEIVED SERVICE AT THE DEALER, EXCEPT FOR TIRES). THE DIAGNOSTIC WAS THAT THE SHOCK BLOCK HAS IT THREADS SEPARATED FROM THE SCREWS (OR BOLTS). THE ENGINE HAS TO BE REMOVED IN ORDER T…
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THE SUV WAS OUT OF COOLANT & WATER AND MY HUSBAND TAKE THE CAR TO THE DEALER TO CHECK THIS PROBLEM AND FOR REGULAR MAINTENANCE (THE CAR ONLY HAS RECEIVED SERVICE AT THE DEALER, EXCEPT FOR TIRES). THE DIAGNOSTIC WAS THAT THE SHOCK BLOCK HAS IT THREADS SEPARATED FROM THE SCREWS (OR BOLTS). THE ENGINE HAS TO BE REMOVED IN ORDER TO CHANGE THE SHOCK BLOCK. THE REPAIR HAS COST $4701.31, BECAUSE IT WAS ALSO RECOMMENDED TO CHANGE THE OIL PUMP. PREVIOUS TO THIS REPAIR, THE SUV WAS TAKEN TO THE DEALER BECAUSE THERE WAS A RECALL TO REPROGRAM ITS COMPUTER BECAUSE THE CHECK ENGINE LIGHT TURNED ON (THIS HAPPENED TWICE). WE HAVE A FULL RECORD IN THE DEALER OF ALL MAINTENANCE CHECKS AND REPAIRS THE SUV HAD. *TR
NHTSA ODI #10267447
87,000 miles · Apr 5, 2009
Engine And Engine Cooling
ENGINE HEAD BOLTS ON 2003 TOYOTA HIGHLANDER BECAME LOOSE; THREADS HAD WORN OFF ON 2 OR 3 BOLTS THAT HOLD THE TOP OF THE ENGINE TO THE MAIN ENGINE BLOCK. VEHICLE HAS BEEN WELL-MAINTAINED; 87,000 MILES. REPAIR REQUIRES NEW ENGINE BLOCK AT COST OF $6,400. APPEARS TO BE MANUFACTURING DEFECT - ENGINE BOLTS SHOULD NOT COME LOOSE. …
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ENGINE HEAD BOLTS ON 2003 TOYOTA HIGHLANDER BECAME LOOSE; THREADS HAD WORN OFF ON 2 OR 3 BOLTS THAT HOLD THE TOP OF THE ENGINE TO THE MAIN ENGINE BLOCK. VEHICLE HAS BEEN WELL-MAINTAINED; 87,000 MILES. REPAIR REQUIRES NEW ENGINE BLOCK AT COST OF $6,400. APPEARS TO BE MANUFACTURING DEFECT - ENGINE BOLTS SHOULD NOT COME LOOSE. TOYOTA REFUSES TO PROVIDE ANY ASSISTANCE IN REPAIR. VEHICLE OVERHEATED AND WAS TOWED TO REPAIR SHOP. *TR
NHTSA ODI #10264159
48,948 miles · Jul 23, 2008
Engine And Engine CoolingFuel System, Gasoline
REPLACEMENT OF A CHARCOAL CANISTER ON A 2003 TOYOTA HIGHLANDER. NO ACCIDENTS OCCURRED AS A RESULT OF THE REPLACEMENT OF THIS PART; HOWEVER, I AM CONCERNED ABOUT THE NUMBER OF REPORTS OF HAVING TO REPLACE THIS VERY EXPENSIVE PART. ALSO IF THE PART IS A SAFETY HAZARD (MAY CAUSE AN ENGINE FIRE) IT SHOULD NOT BE AT THE EXPENSE OF T…
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REPLACEMENT OF A CHARCOAL CANISTER ON A 2003 TOYOTA HIGHLANDER. NO ACCIDENTS OCCURRED AS A RESULT OF THE REPLACEMENT OF THIS PART; HOWEVER, I AM CONCERNED ABOUT THE NUMBER OF REPORTS OF HAVING TO REPLACE THIS VERY EXPENSIVE PART. ALSO IF THE PART IS A SAFETY HAZARD (MAY CAUSE AN ENGINE FIRE) IT SHOULD NOT BE AT THE EXPENSE OF THE OWNER. THE PART IS AN EMISSION CONTROL DEVICE THAT IS SURELY REQUIRED BY THE GOVERNMENT. THIS ACTION IS TAKEN BECAUSE I NOTICED, WHILE RESEARCHING CHARCOAL CANISTERS THAT TOYOTAS COME UP FREQUENTLY AS HAVING TO HAVE THIS TYPE REPAIR. AT THIS WRITING I AM UNABLE TO CONFIRM THE PART IS DEFECTIVE AS IT IS THE ORIGINAL PART THAT CAME WITH THE VEHICLE WHEN I PURCHASED IT BRAND NEW. THIS IS NOT A PRE-OWNED VEHICLE. *TR
NHTSA ODI #10235537
54,158 miles · Jan 17, 2008
Engine And Engine Cooling
MY CAR ENGINE IS FILLED WITH SLUDGE AND THE MANUFACTURER (TOYOTA MOTOR CORP.) WILL NOT HONOR THE WARRANTY. *TR
NHTSA ODI #10215269
40,000 miles · Nov 5, 2007
Engine And Engine Cooling
TL*THE CONTACT OWNS A 2003 TOYOTA HIGHLANDER. WHILE DRIVING AT AN UNKNOWN SPEED, THE CHECK ENGINE LIGHT ILLUMINATED. TWO TO THREE MONTHS LATER, THE CONTACT RECEIVED A RECALL NOTICE REGARDING THE ENGINE. TOYOTA REPAIRED THE VEHICLE. THE CURRENT MILEAGE WAS 50,000 AND FAILURE MILEAGE WAS 40,000.
NHTSA ODI #10207905