Three problems related to engine cooling system have been reported for the 2007 Porsche 911 Gt3. The most recently reported issues are listed below.
Driving a 2007 Porsche gt3 when a hose fitting came loose from the engine block causing a catastrophic loss of coolant from the engine. The failure can occur multiple times I have been told by other owners of 996 and 997 model Porsche 911 model variants. . Read more...
Vehicle had complete loss of control due to a cooling system fitting coming unglued from the engine block. The coolant fitting is press fitted into place using an adhesive that failed. The entire contents of the cooling system released onto the rear tires causing a loss of control.
Coolant fitting adhesive failed, spraying coolant on rear tires, which caused the vehicle to lose control. Fitting was replaced under warranty with the same problematic adhesive. Multiple failures have been noted in Porsche forums and a recently published article in a global magazine noted this issue has been around for several years with this engine type, with no resolution from Porsche.