12 problems related to engine and engine cooling have been reported for the 2007 Porsche 911 Gt3. The most recently reported issues are listed below.
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.
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.
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+.
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.
No incident accured. 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 knowedge of the problem and was therefore unwililing 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 occured at high speed track events resulting in catistrophic 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.
I drive this car on the highway and on the track approximately 5 weekends a year. I have seen multiple engine coolant pipe failures on these gt3's and I fear I will be next and fear it may cause other vehicles behind me to crash. Its not safe for these coolant lines to break which can occur on the track or the highway. It seems to be a Porsche problem in climates with lots of variations in temperature both hot and cold with the expanding of the hose and/or the glue keeping them in place.
Starting to see weeping from a pressed and glued coolant line at the engine. It will need to be addressed very soon as it is an extremely dangerous situation if it fails while driving. Coolant will pour onto the rear tires and cause the rear end to slide. I cannot drive the car until this is resolved. Very poor mfg decision by Porsche. These fittings should have been threaded, pinned or secured in some other manner. Using glue is just ridiculous.
I was driving my car on I-79(3 lane highway) at 70 mph when I noticed a large cloud of smoke/steam from the rear of my car. I then noticed other cars pulling off to the side to get away from all the coolant spraying from my car. I pulled off to the side of the road and called for a tow truck. Ounce I was able to get Porsche dealer to look at the issue, it was indicated that my coolant fittings failed and separated from the engine(know issue).
Had coolant fittings welded to avoid catastrophic failure. Done in seattle; cost 3485 plus 250 sharkwerks fittings = 3735 total.
A coolant hose press fitting which is apparently glued into the engine block lost adhesion and disconnected. This resulted in a complete loss of coolant and a corresponding loss of control due to hot, slippery coolant coating the rear wheels of the car and road surface. Car spun and left the road but fortunately did not hit anything and coolant spill did not impact any other motorists. My research indicates that this is a common, systemic problem with this model engine and appears to be a dangerous defect in the engine construction.
A coolant hose press fitting which is apparently glued into the engine block lost adhesion and disconnected. This resulted in a complete loss of coolant and a corresponding loss of control due to hot, slippery coolant coating the rear wheels of the car and road surface. Car spun and left the road but fortunately did not hit anything and coolant spill did not impact any other motorists. My research indicates that this is a common, systemic problem with this model engine and appears to be a dangerous defect in the engine construction.
A coolant hose press fitting which is apparently glued into the engine block lost adhesion and disconnected. This resulted in a complete loss of coolant and a corresponding loss of control due to hot, slippery coolant coating the rear wheels of the car and road surface. Car spun and left the road but fortunately did not hit anything. Coolant spill did impact other motorists who spun out on the coolant but did not crash. My research indicates that this is a common, systemic problem with this model engine and appears to be a dangerous defect in the engine construction. I did contact Porsche twice but there has not been a response. I did have all the coolant fittings removed, cleaned and welded in. No problem since.