Cayenne Titanium (9PA) V8-4.5L (2006)
View shows assembly using the special tool
2. Replace inner and outer seal in thermostat housing cover.
3. Position thermostat housing cover and tighten the fastening screws (M6 x 25) according to the sequence shown. - Tightening torque: 7.5 ftlb.
Tightening sequence for thermostat housing fastening screw
4. Tighten the three rear fastening screws (M6 x 16) on the heater pipes. - Tightening torque: 7.5 ftlb.
Fastening screws of heater pipes
5. Connect vent lines for cylinder heads. The connectors must engage audibly.