Installing Oil Pump

WARNING: This page is about a different car, the 2024 Porsche 911, 2023 Porsche 911, and 2022 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Dirt and contamination

Risk of damage to units or components
→ Protect components from dirt and contamination.

→ Clean or replace dirty components.

Information

Fit the new oil pump with new seals on the crankcase.
Replace fastening screw for oil pump sprocket.

Wipe off any traces of oil on the sealing faces with a clean, lint-free cloth.
Install oil pump.
Fit screws.
Position the driver on the oil pump so that the bores that are furthest away are parallel to the sealing face when fitting the sprocket.
Push oil pump gear and timing chain onto the driver.
Attach special tool > 9791 - retaining device-1- as a test.

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Special tool 9791 for countering sprocket
Tighten screws for oil pump uniformly.
Screws, M6 x 30: > Tightening torque 13 Nm (9.5 ftlb.)

Screw, M6 x 80: > Tightening torque 13 Nm (9.5 ftlb.)

Install sprocket for oil pump -1- .

Check position of oil pump gear. The bores that are furthest away must be parallel to the sealing face -Line X- .

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Position of oil pump sprocket

1	Oil pump sprocket
2	Timing chain
3	Internal Torx screw, M8 x 22 - replace!
X	Bores that are furthest away positioned parallel to the sealing face

> 9791 - Retaining device must be positioned on the oil pump gear and sealing face.

Fit new screw -2- using socket-wrench insert (T45) and tighten in three steps.

> Initial tightening 5 Nm (3.5 ftlb.)

> Initial tightening 17 Nm (13 ftlb.)

Final tightening: > Torque angle 90°

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Screw on oil pump gear

1	Tool
2	Sprocket screw

Remove retaining device.