There are 41 owner-reported engine complaints for the 2007 Porsche 911in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
I HAD TO PAY THOUSANDS OF DOLLARS TO HAVE THE COOLANT LINES SECURED INTO THE ENGINE OF MY CAR. THIS CAR HAS A KNOWN FAULT IN WHERE THE COOLANT LINES COME UNSECURED FROM THE VEHICLE, DUMPING ALL COOLANT WITHIN SECONDS. NOT ONLY DOES THIS OVERHEAT THE ENGINE, BUT SLIPPERY COOLANT ALL OVER THE REAR TIRES OF A VEHICLE MEANS A CRASH CAN OCCUR.
THE VEHICLE LOST MOST OF IT'S POWER FROM AN ENGINE FAILURE WHILE TRAVELING AT APPROXIMATELY 60 MPH ON THE INTERSTATE ALMOST CAUSING ME TO BE REAR-ENDED AND A MULTI-CAR PILEUP. I WAS VERY FORTUNATE TO ESCAPE A MAJOR ACCIDENT. AN INDEPENDENT PORSCHE REPAIR SHOP, EURASIAN AUTO, "BORE SCORING" ON CYLINDER 5. FACTORY DEALER, PORSCHE OF BIRMINGHAM, CONFIRMED THAT DIAGNOSIS. THE AUTOMOBILE ONLY HAS 30,000 MILES ON IT. THE ENGINE NOW NEEDS TO BE COMPLETELY REBUILT. I SEARCHED ONLINE AND FOUND NUMEROUS EXAMPLES OF THIS SAME THING HAPPENING HAPPENING TO OTHER OWNERS OF 911S WITH THIS MODEL ENGINE. IT WAS USED IN 911S BETWEEN 05 AND 09. IT OCCURS IN BOTH THE 3,6 LITER ENGINE AND THE HIGHER HORSE POWER 3.8. SOME REPORTS SAY THE FAILURE IS EVEN MORE PREVALENT IN THE 3.8 LITER WHICH IS IN THE S VERSION. MY CAR IS A 3.8 LITER S VERSION. THE PROBLEM IS SO PREVALENT THAT SEVERAL COMPANIES NOW SPECIALIZE IN REMANUFACTURING 05 TO 09 911 ENGINES THAT HAVE SUFFERED BORE SCORING AND PROVIDING "FIXES" SO THAT BORE SCORING WILL NOT HAPPEN AGAIN. THESE COMPANIES INCLUDE FLAT SIX INNOVATIONS, RND, AND STRUTTCARS. IF YOU LOOK AT ANY OF THESE COMPANIES WEBSITES YOU WILL SEE AN EXPLANATION OF THE PROBLEM AND THEIR SOLUTIONS. PORSCHE IS AWARE OF THE PROBLEM AND HAS REFUSED TO ADDRESS THE ISSUE. SO THAT YOU WILL KNOW THIS SAFETY ISSUE IS NOT AN ISOLATED ISSUE, I ENCLOSE SEVERAL ONLINE REFERENCES TO THE PROBLEM. ALSO I WILL KEEP THE CAR GARAGED IN IT'S CURRENT CONDITION FOR 5 MONTHS IF YOU WANT TO TEST IT.
PURCHASED VEHICLE FROM PORSCHE DEALER ON JAN 2 2017 AND OPERATED IT 1600 MILES BEFORE IT BLEW A COOLANT FITTING AND EXPELLED COOLANT ALL OVER THE ROAD , REAR TIRE, AND REAR OF CAR. I WAS ON A BUSY INTERSTATE ON RAMP AND HEARD THE BELTS SQUEAL AND SAW STEAM IN THE REAR VIEW MIRROR. I COULD HAVE VERY EASILY LOST TRACTION IF THERE WERE NO CARS AHEAD OF ME GOING SLOW. LUCKILY WAS ABLE TO PULL OVER IMMEDIATELY AND TURN THE CAR OFF BEFORE CAUSING ENGINE DAMAGE. NO ONE BEHIND ME LOST TRACTION IN THE SLICK COOLANT FORTUNATELY . EXTREMELY DANGEROUS CONDITION THAT COULD EASILY CAUSE A SERIOUS ACCIDENT. HAD VEHICLE TOWED TO SELLING DEALER 3 DAYS OUT OF WARRANTY AND RECEIVED AN ESTIMATE OF $5200 TO REPAIR A COOLANT HOSE. OFFERED A 15% DISCOUNT, THEN AN ADDITIONAL $1000 OFF. I RESEARCHED THE COMMON COOLANT FITTING ISSUE WHERE THE EPOXIED FITTING COMES LOOSE OR ONE OF THE PLASTIC FITTINGS BREAK. THE SERVICE MANAGER ACTED LIKE HE HAD NEVER HEARD OF THAT AND SAID THEY WOULD REPLACE THE ONE HOSE . DECLINED REPAIR AND HAD VEHICLE TOWED TO INDEPENDENT SHOP WHERE IT WAS DISCOVERED THAT IT WAS A FITTING , NOT A HOSE AS THE SERVICE ADVISOR HAD STATED. ONE OTHER FITTING WAS ABOUT TO FAIL AS WELL. THIS LARGE WELL KNOWN SHOP PERFORMS UPGRADES TO THESE FITTINGS BY WELDING THEM SO THEY WON'T LET GO. $5000 TO FIX ALL SEVEN FITTINGS. WELD 5 ALUMINUM FITTINGS AND REPLACE THE 2 PLASTIC ONES WITH ALUMINUM AND WELD THEM ALSO. DEFINITELY A DESIGN FLAW THAT COULD PUT A DRIVER AND OTHERS IN A BAD SITUATION. BEEN WITHOUT THE CAR FOR OVER 3 WEEKS SO FAR .
MAJOR COOLANT LEAK ON TOP OF ENGINE ..ENGINE MUST COME OUT $6000 EST AT PORSCHE DEALER. COMMON PROBLEM I TOLD..PORSCHE SHOULD RECALL THIS ISSUE!!
I PURCHASED THIS VEHICLE LISTED ABOVE 2007 PORSCHE 911 TURBO ON MONDAY SEPTEMBER 15TH 2014 FROM CARLSTADT NEW JERSEY. I BEGAN TO DRIVE THE VEHICLE BACK TO WHERE I CURRENTLY LIVE IN SUMMERVILLE, SC. APPROXIMATELY 30 MINUTES INTO THE DRIVE A LIGHT CAME ON IN THE GAUGE WHICH SAID COOLANT FAILURE. I IMMEDIATELY PULLED THE VEHICLE OVER AND TURN THE CAR OFF. I OPENED THE REAR HATCH WHERE THE ENGINE IS HOUSED TO REVEAL STEAM POURING FROM THE BACK OF THE CAR. I CALLED AAA TO HAVE THE CAR TOWED TO THE NEAREST PORSCHE DEALERSHIP OFF THE NEW JERSEY INTERSTATE WHICH HAPPENED TO BE RAY CATENA PORSCHE OF EDISON NEW JERSEY. THE DEALERSHIP HAS VERIFIED THAT INDEED IT WAS A COOLANT FAILURE WHICH HAPPENS ON MODELS WITH GT1 ENGINE BLOCKS INCLUDING MY VEHICLE ABOVE. THE COOLANT FAILURE RESULTING IN ME ALMOST LOSING CONTROL OF THE VEHICLE AND COLLIDING WITH ANOTHER VEHICLE. PORSCHE OF NORTH AMERICA IS REFUSING TO ACKNOWLEDGE THIS AS AN ISSUE ON THESE VEHICLES WHICH IS WHY I'M FILING A COMPLIANT. MY VEHICLE IS PRESENTLY STILL BEING DIAGNOSE FURTHER BY THE DEALER TO SEE IF ANY ADDITIONAL DAMAGE HAS BEEN DONE TO THE MOTOR, WHICH HAS LEFT ME WITHOUT MY VEHICLE FOR OVER THREE WEEKS.
I NOTICED A SMALL COOLANT LEAK FROM THE REAR DRIVERS SIDE OF THE ENGINE. THIS LEAK BECAME MORE PROMINENT OVER THE NEXT SEVERAL DAYS. I TOOK MY CAR TO THE SHOP TO HAVE IT EVALUATED AND IT WAS DETERMINED THAT 4 OUT OF 6 COOLANT FITTINGS WERE LEAKING. THE DESIGN FROM PORSCHE HAS THE COOLANT HOSES AFFIXED USING AN EPOXY. AFTER MANY HEAT CYCLES AND TIME, THIS EPOXY FAILS AND COOLANT LEAKS FROM THE ENGINE. THE ENGINE MUST BE REMOVED TO PROPERLY FIX THE PROBLEM AND IT IS GOING TO COST ME APPROXIMATELY $6,000. THIS IS A KNOWN ISSUE FOR THIS CAR AND IS SOMETHING PORSCHE SHOULD TAKE CARE OF. *TR
ALL CONNECTION PIECES THAT CONNECT TO A RUBBER HOSE ARE LEAKING. THE PIPE THAT COMES OUT OF THE CASTING IS GLUED FROM THE FACTORY. AFTER TIME THE TUBE WILL MOVE AND WATER STARTS COMING OUT IN BETWEEN THE PIPE AND THE CASTING. YOU AN GO TO THIS WEB ADDRESS AND SE WHAT I'M RAKING ABOUT. THIS FROM WHAT I HAVE HEARD AND NOW MY ON CAR IS SOMETHING THAT HAPPENS TO ALL 2007 PORSCHE TURBO ENGINES. THE PROBLEM IS THAT THE CAR IS OUT OF WARRANTY AND PORSCHE DOESN'T WANT TO FIX IT UNDER WARRANTY. I'M GETTING IT FIXED NOW AND COST IS GOING TO BE OVER $2,000.00 DOLLARS. JUST LIKE THE IMS BEARING FAILURE ON PREVIOUS PORSCHE CARS IT'S GOING TO TAKE AWHILE BEFORE PORSCHE WANTS TO DO ANYTHING TO HELP ANYONE WITH THIS ISSUE. HTTP://WWW.YOUTUBE.COM/WATCH?V=WIL2-VBANVK THE ABOVE WEB-SITE WILL SHOW YOU ONE OF THE ISSUES. IT WILL NOT SHOW YOU THAT ALL PIPES ARE OR WILL COME LOOSE. I REALLY WOULD LIKE TO GET THIS COVERED UNDER WARRANTY. THANKS
COOLANT LEAK CAUSED BY FITTING FAILURE. REPAIR REQUIRES ENGINE REMOVAL TO REPLACE PLASTIC FITTINGS. *TR
MY CAR BEGAN LEAKING COOLANT. AFTER TOWING MY CAR TO THE REPAIR SHOP I WAS TOLD MY METAL COOLANT FITTINGS ARE HELD IN WITH EPOXY AND ONE OF THEM HAD FAILED. TO REPAIR THIS IS A $6000.00 JOB. AFTER CALLING THE DEALER I FOUND OUT THIS IS A FAIRLY COMMON PROBLEM BUT THAT PORSCHE IS UNWILLING TO DO ANYTHING TO HELP THE CAR OWNERS PAY FOR IT AT THIS TIME. I THINK ANY TIME YOU HAVE A COMMON PROBLEM THAT IS THAT EXPENSIVE TO FIX YOU SHOULD AT HELP A LITTLE WITH THAT PROBLEM. *TR
COOLANT HOSE COUPLING CAME LOSE WHILE DRIVING THE VEHICLE AT SPEED, RESULTING IN LOSS OF ALL ENGINE COOLANT. COOLANT SPILLED RESULTED IN TEMPORARY REDUCTION OF VEHICLE TRACTION, FORTUNATELY WITHOUT INCIDENT. ENGINE DAMAGE DUE TO POSSIBLE OVERHEATING IS UNDER INVESTIGATION. *TR
SUDDEN COOLANT LINE FITTING FAILURE. THE EPOXY FAILED AND A COOLANT FITTING COMPLETELY POPPED OUT OF THE ENGINE HOUSING NEAR THE ALTERNATOR. RESULTED IN RAPID COOLANT LOSS. CAR HAD TO BE TOWED/HAULED APPROX 140 MILES TO REPAIR FACILITY NEAR MY HOME. I HAVE NOT YET SEEN THE BILL FOR THIS SERVICE. I AM HAVING ALL COOLANT FITTINGS WELDED TO PREVENT THIS FROM HAPPENING TO ANY OF THE OTHER LINES. WORK IS NOT YET COMPLETE BUT THE ESTIMATED BILL IS $3500+. *TR
DRIVING AT A CONSTANT 50MPH AND HAD A VERY STRONG COOLANT SMELL COME THROUGH THE CABIN. PULLED OVER AND SAW COOLANT SLOWLY DRIPPING UNDER ENGINE. LET CAR COOL DOWN AND DROVE HOME. HAVE NOT DRIVEN CAR SINCE. SCHEDULED A APPOINTMENT WITH DEALER FOR 08/08/13. *TR
COOLANT PIPE FAILURE. AFTER DRIVING BACK FROM THE AIRPORT AND PARKING, NOTICED HUGE COOLANT POOL FORM UNDER THE CAR. TOOK CAR TO SHOP AND THEY SCOPED THE COOLANT SYSTEM AND FOUND THE COOLANT PIPES HAVE STARTED TO SEPARATE. SHOP SAID THEY HAVE DONE MANY OF THESE REPAIRS, AND THAT MANY TRACKS WILL NOT LET 911 TURBOS ON THEM UNLESS THEY HAVE THESE WELDED BECAUSE OF THE HIGH NUMBER OF SEPARATIONS OF THESE PIPES. SEEMS LIKE THE EPOXY METHOD OF SECURING THESE IS NOT SUFFICIENT FOR THESE CARS. *TR
I AM REPORTING THE ISSUE OF COOLANT LINE FITTING FAILURE. I HAVE NOT HAD A FAILURE YET BUT THAT MY MECHANIC HAS ADVISED ME THAT THIS ISSUE MUST BE ADDRESSED AND REPAIRED BEFORE THERE IS A CATASTROPHIC FAILURE. THIS IS A KNOWN AND EXPENSIVE ISSUE SO RATHER THAN WAITING FOR A FAILURE, I WAS ADVISED BY A MECHANIC THAT IT IS GOING TO FAIL AND NEEDS TO BE REPAIRED IMMEDIATELY. *TR
DUE TO A NUMBER OF REPORTED FAILURES OF THE ENGINE COOLANT LINES ON THESE VEHICLES (SEE HTTP://FORUMS.RENNLIST.COM/RENNFORUMS/997-GT2-GT3-FORUM/592328-CATASTROPHIC-COOLANT-HOSE-COUPLING-FAILURE-REGISTRY.HTML FOR REFERENCE), I HAD A PREVENTATIVE PROCEDURE PERFORMED WHERE THE COOLANT LINES WERE WELDED INTO PLACE. IT SEEMS THAT THE ADHESIVE WHICH HOLDS THE LINES IN THE ENGINE FAILS AND ALLOWS THE LINES TO BREAK AWAY FROM THE ENGINE, CAUSING A LARGE COOLANT LOSS AND POTENTIALLY AN ACCIDENT. I HAVE HAD A LOCAL SHOP REPAIR THIS ISSUE BY WELDING THE LINES INTO PLACE ON THE ENGINE. *TR
NO INCIDENT OCCURRED. HOWEVER, BASED ON MY KNOWLEDGE OF THE FAILURE OF THE COOLANT FITTINGS IN MY CAR AND WANTING TO TAKE A PROACTIVE STANCE I ELECTED TO MOVE FORWARD WITH A REMEDY. WHILE AT THE DEALERSHIP ON ANOTHER MATTER, THE ENGINE HAD BEEN REMOVED ALLOWING LIMITED ACCESS TO A NUMBER OF THE COOLANT FITTINGS. SINCE THE DEALER DISAVOWED ANY KNOWLEDGE OF THE PROBLEM AND WAS THEREFORE UNWILLING TO HELP I TOOK IT UPON MYSELF TO MECHANICALLY FASTEN THOSE COOLANT FITTINGS WHICH I HAD ACCESS TO. MIND YOU ALL WHILE THE DEALER LOOKED ON. I PROVIDED ALL THE TOOLS , PARTS AND PIECES WHICH I NEEDED TO DRILL AND FASTEN THOSE I HAD ACCESS TO. OTHERS , I SIMPLY SAFETY WIRED THE HOSE CLAMPS HOPING IT WOULD PREVENT A FAILURE IN THE FUTURE. MANY FAILURES HAVE OCCURRED AT HIGH SPEED TRACK EVENTS RESULTING IN CATASTROPHIC VEHICULAR LOSES. TO MY KNOWLEDGE THERE HAS BEEN NO LOSS OF LIFE WHICH IS JUST BY THE GRACE OF GOD. THIS PROBLEM HAS BEEN IN EXISTENCE FOR SEVERAL YEARS AND COVERED MANY MODELS.IT WAS THE FOCUS OF A FEATURE ARTICLE IN EXCELLENCE MAGAZINE, A MAGAZINE AVAILABLE IN BOOK STORES AND PRIMARILY DEDICATED TO THE PORSCHE BRAND. THE PORSCHE FACTORY HAD TO BE AWARE OF THE PROBLEM, BUT LIKE MANY OTHER ISSUES ELECTED TO IGNORE IT. *TR
HELLO, I DO NOT HAVE AN INCIDENT YET. HOWEVER, I AM EXTREMELY CONCERN THAT THE COOLANT PIPE WILL COME APART WHILE DRIVING CAUSING MASSIVE COOLANT LEAK. THE SLIPPERY COOLANT CAN CAUSE SPINS AND CRASHES FOR ME AND OTHER DRIVERS AROUND ME. THANK YOU. LINK FOR DETAILED INFORMATION: HTTP://SHARKWERKS.COM/PORSCHE/TECHNICAL-ARTICLES/327-THE-GT1-COOLANT-PIPE-PREVENTION-FIX-ON-GT1-BLOCK-GT3-GT2-TURBO-CARS.HTML. *TR
COOLING FITTING FAILURE ON PORSCHE 911 GT3 RS 2007 WITH GLUED IN FITTINGS. *TR
TL* THE CONTACT OWNS A 2007 PORSCHE 911 TURBO. THE CONTACT STATED THAT ANTIFREEZE LEAKED INTO THE ENGINE AND THE ENTIRE UNDER-CARRIAGE. THE VEHICLE HAD NEITHER BEEN DIAGNOSED NOR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE DEFECT. THE APPROXIMATE FAILURE MILEAGE WAS 46,000. ..UPDATED 08-07-13 *BF THE CONSUMER STATED THE LOSS OF ENGINE COOLANT WAS LEAKING ONTO THE REARS TIRES, CAUSING LOSS OF TRACTION.
I AM SUBMITTING THIS DUE TO THE PROBLEMS ASSOCIATED WITH THE COOLANT LINES COMING OUT OF THE MOTOR BLOCK. THIS DID NOT HAPPEN TO MY CAR BUT I FELT THE RISK WAS TO HIGH CONSIDERING ALL OF THE DOCUMENTED FAILURES (HTTP://FORUMS.RENNLIST.COM/RENNFORUMS/997-GT2-GT3-FORUM/592328-CATASTROPHIC-COOLANT-HOSE-COUPLING-FAILURE-REGISTRY.HTML ). THIS SERIES OF CARS HAVE BEEN KNOWN TO DROP ALL OF THE COOLANT OUT WHILE DRIVING. I ELECTED TO HAVE THE COOLANT HOSES SECURED AT A COST OF $3100. I DID NOT WANT TO BE DRIVING AND CRASH OR CAUSE ANOTHER DRIVER BEHIND ME TO CRASH. *TR
Showing 1–20 of 41 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 26, 2026