2007 Porsche 911 GT3 engine problems
20 owner complaints filed with NHTSA name the engine on the 2007 Porsche 911 GT3 — 83% of all complaints for this model year.
What owners report
“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…”
filed Apr 13, 2020
“"permanent" coolant hose attachment failed; it came loose from its mounting in the engine resulting in coolant sprayed onto tire, with complete loss of control during a turn , including 270 degree spin, and leaving roadway; fortunately no other vehicles were nearby, so a collision was avoided…”
filed Jun 3, 2014
“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”
filed Sep 13, 2013
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Allocation of Approved Engine Oils MY 2027 (13/26)
13/26 · Service Bulletin/Repair Instructions · issued Jul 22, 2026
Engine problems in other 911 GT3 years
| Year | Reports | Share |
|---|---|---|
| 2004 911 GT3 | 22 | 81% |
Other reported problem areas on the 2007 Porsche 911 GT3
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.