1. Cover: 25 Nm.
2-4. O-ring: replace.
5. Oil element. filter: Follow the instructions.
6. Oil radiator: follow the instructions; after replacement, change the coolant.
7. Bolt: 11 Nm.
8. Gaskets: replace.
9. Bolt: replace.
10. Oil holder. filters: with built-in oil check valve.
11. Gaskets: replace.
Oil holder. filter - last, and tightening torque of bolts
Replace bolts that were tightened with additional tightening. First insert the bolts from the top left and bottom right. Tighten the bolts in 2 stages.

| Stage | Bolts | Tightening torque/rotation angle |
| 1 | "arrows" | crosswise 14 Nm |
| 2 | "arrows" | turn crosswise by 90° |
Removal and installation of the oil pressure sensor "F1"
Remove the air casing. filter.

Unscrew bolts "2" and "3" and remove engine lug "1". Disconnect the plug connection "arrow". Unscrew the oil pressure sensor "F1" using a 24 mm "T40175" socket wrench.

Installation
Installation in reverse order. Install the rear right coolant pipe. Install the air intake housing. filter. Check the oil level.
[The original publication in its entirety is posted on the website «AUDImanual»]
