Cayenne Turbo (9PA) V8-4.8L Turbo (2008)
Cooling system test device
16. Screw on lid on reservoir in a clockwise direction.
Lid on reservoir
17. Close the maintenance cover.
18. Re-install the complete engine guard.
19. Conduct a test drive with the vehicle, check the fluid level in the reservoir after the cooling system has cooled again and, if necessary, fill up to the
MAX marking with coolant.
Bleeding vehicles with auxiliary heater
1. Fill and bleed the vehicle as described using the vacuum filling device.
2. Warm engine to operating temperature (=90 degrees C)
Information
Do not activate the 2/3 directional-control valve with the Porsche System Tester above 1500 rpm.
Activate the 2/3 directional-control valve with the Porsche System Tester below 1500 rpm.
3. Operate engine for 5 minutes with changing engine speeds. When doing this, run the engine for 10 seconds in idle and then for 10 seconds at 4,000
rpm. In the speed transition from higher engine speeds (1500 to 4000 rpm) to idle (approx. 600), the directional-control valve should be activated
with the Porsche System Tester below 1500 rpm. Note that the 2/3 directional-control valve is not activated with the Porsche System Tester above
1500 rpm.
4. Let the vehicle cool down.
5. Open maintenance cover.