Installing High-Pressure Pump

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.

Information

Replace O-ring.

Insert roller tappet into the cylinder head.
Turn the crankshaft until the roller tappet is set to the lowest point.
Insert high-pressure pump -8- and screw in screws -7- by hand.

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Screwing in screws
Coat thread on union nuts with Microgleit DF 977S. Observe drying time of at least 5 minutes before fitting.
Align fuel lines -6- without tension and screw in union nuts -5- hand-tight.

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Aligning fuel high-pressure lines
Screw in and tighten screws -7- .
> Initial tightening 20 Nm (14.8 ftlb.)

> Final tightening + 45°

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Screwing in screws
Tighten union nuts -5- .
Low-pressure side¹

> Tightening torque 8 Nm (5.9 ftlb.)

> Tightening torque 60°

High-pressure side:

>

>

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Tightening union nuts
Connect and lock electric plug connection -4- .

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Connecting electric plug connection
Clip electric line -2- into holder -3- .

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Clipping in lines
Fit sound absorber -1- on high-pressure pump.

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Installing sound absorber
Position cover -2- and clip in line support -1- .

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Clip in line support
Move heat shield -1- together with crash support -2- into installation position.

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Heat shield with crash support
1. 12.1 Tighten screws -3- .
  > Tightening torque 8 Nm (5.9 ftlb.)
2. 12.2 Tighten screw -4- .
  > Tightening torque 8 Nm (5.9 ftlb.)