Installing High-Pressure Pump

WARNING: This page is about a different variant/trim than selected.

Replace O-ring and adapter and insert roller tappet into the cylinder head.
Turn the crankshaft until the roller tappet is set to the lowest point.
Insert high-pressure pump -1- and screw in new screws on the high-pressure pump -2- as far as the anchor block, by hand.

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High-pressure pump
Secure fuel lines -1- to high-pressure pump -3- .
1. 4.1 Coat thread on union nuts with Microgleit DF 977S. Observe a drying time of at least 5 minutes before fitting.
2. 4.2 Fit fuel lines -1- and align without tension.
3. 4.3 Screw on union nuts -2- hand-tight.
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Fuel lines to high-pressure pump
Tighten screws on high-pressure pump -2- .
- Initial tightening 20 Nm (14.8 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

High-pressure pump
Coat union nuts for fuel lines on the low and high pressure side -2- on threads with Microgleit DF 977S, leave to dry off for 5 minutes and then tighten.
Low-pressure side:
- Tightening torque 8 Nm (5.9 ftlb.)
- Torque angle 60°
High-pressure side:
- tightening torque of 10 Nm (7.4 ftlb.)
- Torque angle 60°
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Fuel lines to high-pressure pump
Clip electric plug connection to high-pressure pump -1- and lock it.

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Electric plug connection to high-pressure pump
Secure fuel lines -1 and 2- .
1. 8.1 Clip fuel line -1- into clip -4- .
2. 8.2 Insert fuel lines -1 and 2- into line clips -3- and close line clips -3- .
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Fuel lines