2005 Porsche 911 Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 2005 Porsche 911, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Engine375.0%
- Other / unspecified125.0%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Engine
Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.
From owner reports, verbatim
DUE TO HIGHLIGHTED PROBLEMS WITH THE COOLING SYSTEM (NAMELY THE FITTINGS POPPING OFF) ON THE 2005 PORSCHE 911 GT3 IN VARIOUS FORUMS AND WEB SITES. I HAVE DECIDED TO PERFORM PREVENTATIVE MAINTENANCE AND TO ALLEVIATE SAFETY CONCERN WITH THE COOLING SYSTEM (FITTING AND HOSES) TO WELD THE COOLANT CUPLINGS. *TR
I WAS DRIVING ON A SATURDAY NIGHT ON INTERSTATE 79 NORTHBOUND AT APPROXIMATELY MILE MARKER 3 BETWEEN MINK SHOALS AND ELKVIEW, WV. I HAD JUST PICKED UP A PIZZA AND I WAS HEADED HOME A FEW MILES FROM MY HOUSE. I WAS GOING UPHILL WHEN I HEARD A POP AND SAW A HUGE PLUME OF STEAM SHOOT OUT FROM BEHIND MY CAR. I THEN TAPPED THE BRAKES AND THE REAR RIGHT TIRE GOT A LITTLE LOOSE AS IT HAD ANTIFREEZE COOLANT SPRAYING DIRECTLY ON IT. I MANAGED TO GET MY CAR HOME AS IT WAS QUICKLY STARTING TO GET HOT AND CLOSE TO OVERHEATING AS THERE WAS NO COOLANT LEFT. I GOOGLED "PORSCHE 911 COOLANT LINE FAILURE" AND QUICKLY LEARNED THAT MY ISSUE HAD HAPPENED TO MANY OTHERS.I LEARNED THAT FROM THE FACTORY PORSCHE GLUES/EPOXIES THE COOLANT FITTINGS INTO THE ENGINE BLOCK AND OVER TIME AND MANY HEAT CYCLES LATER THE GLUE/EPOXY FAILS AND THE COOLANT SPRAYS EVERYWHERE AND MANY TIMES DIRECTLY ON THE REAR TIRES. THIS CREATES AN UNSAFE ENVIRONMENT FOR THE DRIVER AND PASSENGER AND ANYONE IN THE IMMEDIATE VICINITY. I PERFORMED A QUICK FIX ON MY CAR AND PINNED THE FITTING BACK INTO THE BLOCK. I LATER LEARNED THAT THE ENTIRE ENGINE HAD TO BE DROPPED AND EACH OF THE 6 COOLANT LINES NEEDED TO BE WELDED TOGETHER TO TRULY PREVENT THIS FROM BEING A HAZARD. I PAID SEVERAL THOUSAND DOLLARS TO HAVE THE ENGINE DROPPED AND FIXED LIKE PORSCHE SHOULD HAVE DONE FROM THE FACTORY. THEY SHOULD HAVE ADDRESSED THE ISSUE AND OFFERED TO FIX THE FAILED COOLANT LINES UNDER A RECALL BUT TO MY KNOWLEDGE THIS HAS NOT BEEN DONE. PORSCHE CLAIMS NO FAULT OF THEIRS. MANY PERFORMANCE DRIVING EVENTS HAVE IDENTIFIED THE ISSUE AND WON'T LET YOU DRIVE YOUR CAR AT THEIR EVENT UNLESS THE ISSUE HAS BEEN PROPERLY ADDRESSED BY DROPPING THE ENGINE. WHEN YOU SPEND THAT MUCH MONEY ON A CAR OR ANY MONEY FOR THAT MANNER YOU EXPECT THE CAR MANUFACTURE TO DO EVERYTHING POSSIBLE TO KEEP YOUR SAFETY AND THE SAFETY OF OTHERS A HIGH PRIORITY. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Other / unspecified
Reports whose component NHTSA recorded as unknown, or that do not map to one of the categories above.
From owner reports, verbatim
I WAS DRIVING ON A SATURDAY NIGHT ON INTERSTATE 79 NORTHBOUND AT APPROXIMATELY MILE MARKER 3 BETWEEN MINK SHOALS AND ELKVIEW, WV. I HAD JUST PICKED UP A PIZZA AND I WAS HEADED HOME A FEW MILES FROM MY HOUSE. I WAS GOING UPHILL WHEN I HEARD A POP AND SAW A HUGE PLUME OF STEAM SHOOT OUT FROM BEHIND MY CAR. I THEN TAPPED THE BRAKES AND THE REAR RIGHT TIRE GOT A LITTLE LOOSE AS IT HAD ANTIFREEZE COOLANT SPRAYING DIRECTLY ON IT. I MANAGED TO GET MY CAR HOME AS IT WAS QUICKLY STARTING TO GET HOT AND CLOSE TO OVERHEATING AS THERE WAS NO COOLANT LEFT. I GOOGLED "PORSCHE 911 COOLANT LINE FAILURE" AND QUICKLY LEARNED THAT MY ISSUE HAD HAPPENED TO MANY OTHERS.I LEARNED THAT FROM THE FACTORY PORSCHE GLUES/EPOXIES THE COOLANT FITTINGS INTO THE ENGINE BLOCK AND OVER TIME AND MANY HEAT CYCLES LATER THE GLUE/EPOXY FAILS AND THE COOLANT SPRAYS EVERYWHERE AND MANY TIMES DIRECTLY ON THE REAR TIRES. THIS CREATES AN UNSAFE ENVIRONMENT FOR THE DRIVER AND PASSENGER AND ANYONE IN THE IMMEDIATE VICINITY. I PERFORMED A QUICK FIX ON MY CAR AND PINNED THE FITTING BACK INTO THE BLOCK. I LATER LEARNED THAT THE ENTIRE ENGINE HAD TO BE DROPPED AND EACH OF THE 6 COOLANT LINES NEEDED TO BE WELDED TOGETHER TO TRULY PREVENT THIS FROM BEING A HAZARD. I PAID SEVERAL THOUSAND DOLLARS TO HAVE THE ENGINE DROPPED AND FIXED LIKE PORSCHE SHOULD HAVE DONE FROM THE FACTORY. THEY SHOULD HAVE ADDRESSED THE ISSUE AND OFFERED TO FIX THE FAILED COOLANT LINES UNDER A RECALL BUT TO MY KNOWLEDGE THIS HAS NOT BEEN DONE. PORSCHE CLAIMS NO FAULT OF THEIRS. MANY PERFORMANCE DRIVING EVENTS HAVE IDENTIFIED THE ISSUE AND WON'T LET YOU DRIVE YOUR CAR AT THEIR EVENT UNLESS THE ISSUE HAS BEEN PROPERLY ADDRESSED BY DROPPING THE ENGINE. WHEN YOU SPEND THAT MUCH MONEY ON A CAR OR ANY MONEY FOR THAT MANNER YOU EXPECT THE CAR MANUFACTURE TO DO EVERYTHING POSSIBLE TO KEEP YOUR SAFETY AND THE SAFETY OF OTHERS A HIGH PRIORITY. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .