Installing Cylinder Head Cover For Cylinders 4 - 6

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Replace sealing rings, seals and O-rings.

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Attach all tie-wraps at the same places during installation.

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For better access in the engine compartment, use support 9866 .
Fit support -1- instead of torque support .
The engine can be moved by turning the hexagon (a/f 17) to the left or right -arrows- .

Fig 1: Moving Engine With Special Tool (9866)
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Install cylinder head cover.
1. 1.1. Insert cam follower -6- for high-pressure pump into the cylinder head cover.
  
  Fig 2: Identifying Cam Follower For High-Pressure Pump
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
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- Replace aluminum screws .
- Always observe specified tightening sequence .
Tighten fastening screws -1 to 14 - on the cylinder head cover one after the other (depending on version: see TECHNICAL VALUES ).

Fig 3: Valve Cover Screws Tightening Sequence (Cylinders 4-6)
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

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- Fuel lines must not be bent .
- Bent fuel lines must be replaced .
Position high-pressure line -5- .
Tighten union nut securing high-pressure line -5- to fuel collection pipe. Initial Tightening 20 Nm (15 ft. lb.) Final Tightening +35 Nm (+26 ft. lb.)

Fig 4: Identifying High-Pressure Pump And Lines
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Position B+ wiring harness -3- .
Tighten fastening screws -1- and -2- . Tightening Torque 10 Nm (7.5 ft. lb.)

Fig 5: Identifying High-Pressure Line
Courtesy of PORSCHE CARS NORTH AMERICA, INC.