There are 46 owner-reported engine complaints for the 2007 Lexus RXin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The contact owns a 2007 Lexus RX350. The contact stated while driving 30 MPH, the vehicle began to smoke. The contact pulled over and became aware that oil was leaking from the vehicle. There were no warning lights illuminated. The vehicle was towed to a service center and the contact was informed that the engine cooler hose had ruptured. The vehicle was not repaired. The contact called the local dealer, but the vehicle was not diagnosed or repaired. The manufacturer was contacted, but no assistance was provided. The failure mileage was approximately 99,000.
I PURCHASED A USED 2007 LEXUS RX350 FOR MY 16 YEAR OLD DAUGHTER. IT HAD A LITTLE OVER 100K MILES. EVERYTHING WORKED PERFECTLY, NO COMPLAINTS WHATSOEVER. UNTIL, MY SON BORROWED IT, AND WHILE HE WAS DRIVING IT, HE SAID IT QUIT. HE LOST ALL POWER STEERING, SO HE PULLED OVER. WE CALLED A TOW TRUCK TO TOW IT TO A MECHANIC. WHEN THE MECHANIC CALLED ME, HE SAID THE OIL COOLING LINE BUSTED, WHICH MADE THE OIL PUMP EMPTY THE ENGINE'S OIL. HE SAID IT WOULD NEED A WHOLE NEW ENGINE. HE SAID THE CAR IS WORTH NOTHING. I PAID $9K FOR THIS CAR A YEAR AGO, AND NOW IT IS NOT WORTH $100. THE MECHANIC SAID THIS IS A KNOWN PROBLEM FOR TOYOTA/LEXUS, BUT THERE WAS NO RECALL. TO ME - THIS IS UNACCEPTABLE. IN MY OPINION, SINCE TOYOTA KNEW OF THIS PROBLEM, BUT DIDN'T RECALL IT, THEY EITHER NEED TO COVER THE COST OF A NEW ENGINE, OR BUY THE CAR BACK FROM ME. I AM VERY UPSET OVER THIS.
TL* THE CONTACT OWNS A 2007 LEXUS RX350. THE CONTACT'S WIFE STATED THAT UPON ACCELERATING THE VEHICLE AFTER EXITING A ROUNDABOUT, DUST BEGAN TO EMIT FROM THE EXHAUST PIPE. THE CONTACT'S WIFE DROVE TO A GAS STATION AND DISCOVERED THAT THE ENGINE OIL WAS EMPTY. THE CONTACT THEN REFILLED THE OIL BUT BY THE NEXT DAY, THE OIL HAD COMPLETELY LEAKED OUT OF THE VEHICLE. DUE TO THE FAILURE, THE CONTACT HAD THE VEHICLE TOWED TO LEXUS OF MAPLEWOOD (3000 US-61, MAPLEWOOD, MN 55109) WHERE THEY INITIALLY DISCOVERED METAL SHAVINGS IN THE OIL LINE. THE OIL LINE WAS REPLACED HOWEVER, THEY ALSO DISCOVERED THAT THE CAM GEARS IN UPPER ENGINE WERE DEFECTIVE AND NEEDED TO BE REPLACED. THE MANUFACTURER HAD BEEN NOTIFIED OF THE FAILURE AND STATED THAT THEY WOULD PROVIDE A CALLBACK. THE CONTACT HAD NOT RECEIVED A CALLBACK. THE VEHICLE HAD YET TO BE REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 83,000.
CHECK ENGINE LIGHT CAME ON ON HIGHWAY. WITHIN A FEW MILES, THE HOOD BEGAN TO SMOKE, SO IMMEDIATELY PULLED OVER. TOWED TO MECHANIC AND WAS TOLD WATER PUMP FAILURE CAUSED ENGINE TO OVERHEAT. ENGINE IS DESTROYED.
SEVER OIL LEAK AND ENGINE STOP AND SMOKE STARTED COMING
OIL STARTED SPEWING FROM UNDERNEATH THE CAR WHILE IT WAS IN MOTION ON A HIGHWAY . THE CAR WAS TOWED TO A LOCAL SHOP AND THE OIL COOLANT LINES (BLACK RUBBER HOSES) WERE REPLACED WITH METAL HOSES.
THE OIL COOLING LINE IN MY WELL MAINTAINED 2007 RX 350 BLEW APART WITHOUT WARNING, CAUSING ALL OIL TO BE LOST FROM THE ENGINE AND CATASTROPHIC ENGINE DAMAGE TOTALING THOUSANDS OF DOLLARS WERE IT TO BE REPAIRED. THIS IS APPARENTLY A VERY COMMON, WELL KNOWN ISSUE IN THE 2007 ERA RX 350 DUE TO LEXUS' CHOICE TO USE A RUBBER COOLING LINE. THIS OCCURRED WITH NO WARNING WHATSOEVER.
THE OIL COOLING LINE IN MY 2007 RX 350 FAILED WITHOUT WARNING, CAUSING ALL OIL TO BE LOST FROM THE ENGINE AND CATASTROPHIC ENGINE DAMAGE. I WAS ON A HIGHWAY DRIVING APPROXIMATELY 60 MPH WHEN THIS OCCURRED WITHOUT WARNING. THE ENGINE CEASED AND WAS COMPLETELY RUINED WITH ONLY 110,000 IN MILEAGE. I DID NOT RECEIVE NOTICE OF ANY RECALL RELATED TO THIS PROBLEM.
1. WIFE BOUGHT CAR ON AUGUST 31, 2016 FROM DEALER IN TACOMA, WA (WITH 90,900 MILES ON IT) WITH A WARRANTY SERVICE CONTRACT WITH IT. 2. SHE TAKES IT TO A LEXUS SERVICE DEALER IN WASHINGTON AT 95,377 MILES ON JULY 13, 2017 TO HAVE THE OIL AND OIL FILTER CHANGE (NOTE: OIL COOLER HOSE IS RIGHT BY THE OIL FILTER). THEY CHANGE THE OIL AND OIL FILTER, AND MENTION OTHER THINGS ABOUT THE CAR, BUT NOTHING ABOUT OIL COOLER HOSE.) 3. BECAUSE WARRANTY SERVICE CONTRACT IS BEST FOR PEOPLE WHO PUT A LOT OF MILES ON A SHE DROP THE WARRANTY SERVICE CONTRACT IN SEPTEMBER 2017 ABOUT, APPLIED THE REFUND TO AMOUNT OWING ON CAR. 4. ON JUNE 23, 2018 (AT 99850 MILES) THE (ORIGINAL MANUFACTURER) OIL COOLER HOSE LEAK OIL A-LOT, IN ABOUT 1/2 A MILE ALL THE OIL (6 QTRS +) WAS OUT OF THE ENGINE MAYBE, SHE DID NOT NOTICE THE LEAK UNTIL 3 + MILES OF RUNNING THE CAR, (NO LIGHT CAME ON THE DASH). 5. SO READ THAT IN MARCH 2010 TOYOTA HAD THEIR CAR ENGINES WITH YEAR 2007 HAD THE DEALER REPLACE THE OIL COOL HOSE (PART OF THE HOSE WAS RUBBER-AND WAS KNOWN TO LEAK, THE OIL COOL HOSE NOW IS ALL METAL) AND THE CAR I'M REFERRING HERE (2007 LEXUS RX 350) WAS PART OF THE REPLACEMENT TO. ALSO NOTICE THAT THE OWNER OF THE VEHICLE AT THE TIME HAD UNTIL MARCH 2013 TO HAVE IT DONE. AND I GUESS THE OWNER AT THE TIME, NEVER HAD THE ORIGINAL OIL COOLER HOSE (PART RUBBER) REPLACED. 6. SO MY QUESTION HERE IS DOES THE LEXUS DEALER (ON 7/13/2017 WHO CHANGE THE OIL) HAVE ANY OBLIGATION TO INFORM HER THAT SHE HAS A OIL COOLER HOSE THAT IS KNOWN TO LEAK (ORIGINAL ONE ON CAR THAT WAS PART RUBBER)?? 7. I HAVE ATTACHED THE ORIGINAL OIL COOLER HOSE PICTURE (THAT WAS ON THE CAR) TO THIS COMPLAINT. THANKS, FOR YOUR TIME
I WAS DRIVING ON A COUNTRY ROAD AND NOTICED A/C WAS ACTING ODD, THEN TEMP GAUGE WENT TO BOTTOM OF DIAL. I COULDN'T STOP ON THIS ROAD. I WAS TRYING TO GET TO GRANDDAUGHTER'S HOUSE. I STOPPED AT LIGHT AND COULDN'T START IT. I CALLED AAA AND CAR WAS TRANSPORTED TO LEXUS DEALER WHO TESTED CAR AND SAID ENGINE FAILED. THERE WERE 122000 MILES WHEN TESTED AT DEALER. THE CAR HAS BEEN DEALER SERVICED THE ENTIRE TIME. IT WAS SERVICED AT 120,000 AND ALL SYSTEMS OK. I'VE HAD AN 80 DATSUN THAT LASTED 250,000 MILES. THE DEALER SAID THAT USED ENGINE $8500. I EXPECTED MUCH BETTER FROM LEXUS. READING SOME NHTSA REPORTS THERE SEEM TO BE A RASH OF OIL LINES FAILING. THERE WAS NO WATER HOSE PROBLEM ACCORDING TO DEALER CHECKING IT
ON MY DRIVE TO WORK THIS AM MY ENGINE STARTED MAKING A LOUD NOISE, I LOST ALMOST ALL OF MY OIL IN LESS THAN A MILE. MY OIL COOLER PIPE BUSTED. NO WARNING OR ANYTHING. LEFT ME STRANDED ON THE ROADSIDE. IF I WOULD HAVE DROVE IT ANY FURTHER IT WOULD HAVE COSTED ME AN ENGINE. THE OIL LIGHT FLASHED ON AND OFF AND MY CAR SOUNDED LIKE A TRACTOR. NO WARNING.
TL* THE CONTACT OWNS A 2007 LEXUS RX350. WHILE DRIVING 45 MPH, THE VEHICLE STALLED WITHOUT WARNING AND WAS TOWED TO AN INDEPENDENT MECHANIC. THE VEHICLE WAS TOWED TO A LOCAL DEALER (METRO LEXUS, 13600 BROOKPARK RD, CLEVELAND, OH 44135) WHERE IT WAS DIAGNOSED THAT THE COOLING PIPE NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED AND OPENED CASE NUMBER: 1801240854. THE FAILURE MILEAGE WAS 129,827.
THE OIL PRESSURE HOSE BUSTED. I TOOK MY CAR TO LEXUS AND THEY TOLD ME IT WAS A COMMON PROBLEM WITH THE CAR AND THEY HAVE REPLACED THE RUBBER HOSE WITH A METAL ONE. I PURCHASED THE METAL HOSE AND HAD IT REPLACED. OIL HAD ALREADY LEAKED OUT TO THE POINT THAT CAUSE MY ENGINE TO LOCK UP
ON FRIDAY SEPTEMBER 29 2017 MY WIFE WAS DRIVING HER 2007 RX 350 AND SHE NOTICED A LINE OF OIL LEADING TO HER VEHICLE AS IT WAS BACKED INTO A PARKING SPACE. AFTER CHECKING THE OIL SHE NOTICED THE VEHICLE HAD LOST 4 QUARTS OF OIL. UPON INVESTIGATING FURTHER IT WAS OBSERVED THAT THE ENGINE LOST THAT AMOUNT OF OIL IN JUST A FEW MILES. WHEN WE DELIVERED THE VEHICLE TO OUR REPAIR SHOP ON OCTOBER 4TH WE WERE TOLD THAT IT WAS THE RUBBER OIL LINE THAT SPRUNG A LEAK. THEY SAID THEY HAVE REPLACED MANY OF THESE AS THEY ARE A DESIGN FLAW FROM LEXUS DIRECTLY. THE NEW PART WAS IMMEDIATELY ORDERED FROM LEXUS AND IS TO BE INSTALLED WHEN IT COMES IN. AFTER ALL OF THIS I HAVE A QUESTION. IF THIS IS SUCH A PROBLEM PART WHICH HAS BEEN NOW ALTERED TO ELIMINATE THE RUBBER PORTION ON THE PART, WHY WOULD I BE CHARGED FOR THIS PART? THIS HAS BEEN A KNOWN PROBLEM FOR QUITE SOME TIME. AS AN OWNER PAST AND PRESENT OF 9 (NINE) TOYOTA/LEXUS VEHICLES I'M VERY CONCERNED ABOUT HOW SOMETHING LIKE THIS SEEMS TO BE ACCEPTED BY TOYOTA MOTOR CORP AS APPARENTLY NO BIG DEAL. HAD MY WIFE NOT NOTICED THE LEAK THE ENGINE WOULD'VE RUN DRY OF OIL AND I'D BE LOOKING AT A BILL FOR A NEW ENGINE. PROBABLY $8,000. DOES ANYONE THERE HAVE AN ANSWER OTHER THAN THE QUALITY OF PARTS AND ENGINEERING AT TMC HAS TAKEN A DOWNWARD TURN. THANK YOU FOR LISTENING.
CAR FIRST MADE A RATTLING SOUND,THEN OIL STARTED LEAKING FROM THE OIL COOLER,WHEN STARTING THE VEHICLE THIS HAPPENED
ENGINE OIL WAS POURING OUT OF MY VEHICLE WHILE I WAS DRIVING. THE ENGINE OIL COOLER LINE WAS LEAKING. IT NEEDED TO BE REPLACED AND THE UNDERCARRIAGE NEEDED TO BE CLEANED. THIS COULD HAVE BEEN DANGEROUS IF I WAS NOT ABLE TO IMMEDIATELY GET THE CAR TO THE REPAIR SHOP.
2007 LEXUS RX350. CONSUMER WRITES IN REGARDS TO ENGINE OIL COOLER PIPE AND MASSIVE OIL LEAK. *LD *JS THE CONSUMER REQUESTED TO BE REIMBURSED FOR THE REPAIRS MADE TO THE VEHICLE DUE TO THE FAILURES BEING COVERED UNDER A RECALL. *JS
WHILE SITTING AT A STOP AT ENGINE IDLE, THE CHECK OIL INDICATOR LIGHT FLASHED FOLLOWED BY A SHORT ROUGH IDLE. THE VEHICLE WAS PULLED OVER AND PARKED AND A PHONE CALL MADE TO THE LOCAL LEXUS DEALER. IT WAS ADVISED TO HAVE THE VEHICLE TOWED TO THE DEALERSHIP DUE TO THE NATURE OF THE WARNING. THE VEHICLE WAS TOWED TO THE DEALER SHIP. UPON INSPECTION BY THE SERVICE DEPARTMENT AT THE LEXUS DEALERSHIP, THE OIL COOLER HOSE HAD EXPLODED CAUSING A LOSS OF ENGINE OIL. AT THE WRITING OF THIS NOTE, INFORMATION WAS SHARED THAT INDICATED A NEWER VERSION OF THE OIL COOLER HOSE WOULD NEED TO BE INSTALLED. ANY POTENTIAL DAMAGE TO THE ENGINE WOULD HAVE TO BE ACCESSED AFTER THE REPLACEMENT OF THE HOSE AND CLEAN-UP OF THE UNDER CARRIAGE OF THE VEHICLE AND INSULATION SURROUNDING THE UNDERSIDE OF THE CAR WAS COMPLETED. AFTER RESEARCHING THIS TOPIC, WE ARE HOPEFUL LEXUS WILL SHARE IN THE EXPENSE OF THIS REPAIR SINCE IT HAS BEEN DOCUMENTED THAT SIMILAR FAILURES HAVE OCCURRED.
LOST ENGINE OIL DRIVING 20 MINUTES TO WORK. LEXUS DEALER ADVISED THERE IS A COMMON PROBLEM WITH THE OIL COOLER LINE, THERE IS A CAMPAIGN WITHIN 10 YEARS OF FIRST USE. THEY WON'T REPLACE IT UNLESS LEAKING; OTHERWISE YOU ARE ALLOWED TO DRIVE UNTIL THE LINE BLOWS CAUSING CATASTROPHIC ENGINE DAMAGE. A $60 PART ENDS UP BEING AN ENGINE REPLACEMENT; NEVERMIND THE POTENTIAL DANGER OF AN ENGINE FREEZE AT 65 MILES AN HOUR.
I PURCHASED A USED 2007 LEXUS RX 350 FROM CARMAX IN SEPTEMBER OF 2014. THE CAR HAS BEEN AT THE LEXUS DEALERSHIP 4 TIMES ALREADY FOR RATTLE IN BACK OF CAR, IGNITION SWITCH REPLACEMENT, OXYGEN SENSOR REPLACEMENT AND 80,000 MILE SERVICE. THIS MONTH (AUGUST 2016) THE CARE BEGAN TO MAKE A RATTLE JUST AFTER STARTING THE ENGINE. UPON CONTACTING MY LOCAL LEXUS DEALERSHIP, I WAS TOLD THAT THE SOUND I AM HEARING IS THE VVT GEAR WHICH WILL NEED REPLACING. THE ESTIMATE GIVEN TO ME WAS $4K. WHAT MAKES THIS EVEN MORE INTERESTING IS THAT MY HUSBAND OWNS A 2009 TOYOTA HIGHLANDER. HIS VEHICLE MAKES THE EXACT SAME NOISE UPON STARTING THE ENGINE. HE TOO WAS TOLD THAT HE NEEDED THE VVT GEAR REPLACED FOR A COST OF $6K WHICH WAS ONLY THE LABOR PORTION. AFTER READING COMPLAINTS WITH THE 2007 LEXUS RX 350 AND KNOWING THAT LEXUS ISSUED A RECALL ON CERTAIN 2008 LEXUS MODELS FOR THIS VERY ISSUE TELLS ME THAT A NEW RECALL SHOULD BE MADE BEFORE SOMEONE IS INJURED OR DEATH OCCURS. VERY DISAPPOINTED IN LEXUS.
Showing 1–20 of 46 complaints
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026