911 Carrera S Cabriolet (997) F6-3.8L (2007)
Cap on coolant expansion tank
Subsequent work
1. Check coolant line connections and hoses for leaks.
2. Completely install rear underbody panelling.
3. Test drive the vehicle. Following the test drive and when the engine is still at operating temperature, accelerate briefly to 6,000 rpm a number of
times at idle speed in order to fully ventilate the system.
4. Check the fluid level with the aid of the markings on the expansion tank. Correct the coolant level after the engine has cooled if necessary.