Removing Cylinder Head

WARNING: This page is about a different car, the 2010 Porsche Cayenne, 2009 Porsche Cayenne, and 2008 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: Identifying 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 . Refer to → WM 1001AW THE MOST IMPORTANT WORKING REGULATIONS AND WARNING NOTES .
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.

Fig 2: Identifying Cylinder Head Screws Loosening Sequence
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
1. 1-6 - Pistons of cylinders 1 - 6
2. 20-1 - Loosening sequence for cylinder-head screws