Removing Cylinder Head

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2023 Porsche Panamera, 2022 Porsche Panamera, 2021 Porsche Panamera, 2020 Porsche Panamera, and 2019 Porsche Panamera. However, it is still accessible from the selected car via links, so may be relevant.

Remove coolant lines.
1. 1.1 Unscrew screws -1- and remove coolant line -2- .
2. 1.2 Unscrew screw -3- and nut -4- and remove coolant line -5- .
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Coolant lines
Cylinder bank 1-4: Remove chain tensioner and collar axle for guide rail.
1. 2.1 Unscrew collar axle -1- .
2. 2.2 Unscrew screws -2- and remove chain tensioner -3- .
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Chain tensioner and collar axle, 1-4
Cylinder bank 5-8: Remove chain tensioner and loosen guide rail.
1. 3.1 Unscrew and remove screw -1- .
2. 3.2 Unscrew screws -2- and remove chain tensioner -3- .
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Chain tensioner 5-8

Information
- Be careful - cylinder heads are heavy.
Remove cylinder head.
1. 4.1 Loosen and unscrew screws in reverse order to the tightening sequence -11 to 1- .
2. 4.2 Remove cylinder head and dispose of cylinder head gasket.
3. 4.3 Carefully clean the sealing faces.
Fig 1: Cylinder Head Screws Tightening Sequence - V8 Turbo
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Tightening sequence for cylinder head - V8 Turbo