Removing Cylinder Head

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2018 Porsche Cayenne, 2017 Porsche Cayenne, 2016 Porsche Cayenne, 2015 Porsche Cayenne, and 2014 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: Heavy components

Risk of squashing

→ Wear personal protective gear.

→ Get someone to help if necessary.

Remove screws used to secure the timing case to the cylinder head. -1-

Fig 1: Lower Timing-Case Cover Screws
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Information
- If more extensive work was carried out, e.g. if the cylinder head was replaced, the exhaust manifolds, fuel injectors, fuel distributor pipe, combination valve, timing chain housing and various small parts must also be modified .
Remove cylinder head. Loosen the screws one after the other in the Opposite Sequence to the sequence shown, i.e. start at cylinder-head screw 20 and loosen cylinder-head screw 1 last.
1-6 - Pistons of cylinders 1-6

20-1 - Loosening sequence for cylinder-head screws

Fig 2: Identifying Cylinder Head Tightening Sequence
Courtesy of PORSCHE CARS NORTH AMERICA, INC.