Cayenne Turbo (9PA) V8-4.8L Turbo (2008)
Tool height
It is best to use a tool with a head height of less than 50 mm -A- (see Special tools) for loosening and tightening the rear fastening screw on the
cylinder head cover close to the plenum panel.
If you do not have a suitable tool, the side plenum panel must be removed and then refitted. To do this, remove cover of plenum panel. Remove
plenum panel wall (shown on left). Release lambda sensor connector from the holder at the plenum panel wall -1-. Unclip cable -2-. Loosen PDCC
reservoir from plenum panel, if fitted. Loosen three screws on the plenum panel -3-. Pull plenum panel up and off Install in reverse order.
When doing this, first fit seal on the body and spray with silicon spray
Plenum panel wall (shown on left)
5. Fit all M6 and M8 fastening screws (torque support and eyelets) according to specifications.
Tightening sequence for valve cover for cylinders 1 to 4