Subsequent Work For Cylinder Head 1-3

Install camshafts.
- → Installing Camshafts, Setting Timing - Cylinder Bank 1-3 .
Install cylinder head cover.
→ Removing Cylinder Head Cover .
2.9-litre SRE engine only: Fit new plastic cap while dry onto the cylinder head (belt side).
Install positive crankcase ventilation cover.
1. Positive crankcase ventilation cover
2. Molded seal (reusable)
3. O-ring, always replace
4. External Torx screw, M6
  
  Fig 1: Identifying Positive Crankcase Ventilation Cover (1-3)
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Install housing for coolant regulator.
→ Installing Coolant Regulator Cover .
Install coolant distributor housing (unit carrier).
→ Installing Coolant Distributor Housing (Unit Carrier) .
3.4-litre DFI engine only: Install high-pressure pump.
→ Installing high-pressure pump .
Install coolant regulator housing cover with coolant regulator.
→ Installing Coolant Regulator Cover .
Install fuel collection pipe with fuel injectors if necessary (not after replacing cylinder head gasket).
→ Installing Fuel Collection Pipe (With Fuel Injectors) .
Fit hydraulic pump for power steering.
→ Installing Hydraulic Pump .
Fit air conditioning compressor.
→ Installing Air Conditioning Compressor .
Pull off positive crankcase ventilation line on the cylinder head cover.
Fit fuel connection line.
→ Installing fuel connection line .
Install the generator.
→ Installing Generator .
Completely install intake-air distributor.
→ Installing Intake-Air Distributor For Cylinder Bank 1-3 and Installing Intake-Air Distributor For Cylinder Bank 4-6 .
Install hydraulic pump pulley.
1. 16.1. Fit three external Torx screws (E12, M8 x 12) and tighten hand-tight.
Fit and tension the drive belt.
→ Installing Drive Belt .
Secure pulley for hydraulic pump.
1. 18.1. Tighten three external Torx screws (E10, M8 x 12) on the hydraulic pump pulley.
  → Tightening torque: 23 Nm (17 ftlb.)
Install the engine.
→ Installing Engine .