Overview - ATF Circuit: Notes
WARNING: This page is about a different car, the 2022 Audi A4 allroad, 2021 Audi A4 allroad, and 2020 Audi A4 allroad. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The 7-speed dual-clutch transmission is equipped with an ATF and MTF chamber.
The ATF is located in the blue section of the transmission and is drained through the ATF drain plug -1- and filled through the ATF filler plug -2-. Refer to ATF .
The MTF is located in the green section of the transmission fluid and is drained by removing the MTF pump -4- and is filled through the MTF check plug -3-. Refer to TRANSMISSION FLUID, DRAINING AND FILLING .
The bolt on the gear set -arrow- is not a drain plug.
CAUTION:
Risk of damaging the transmission.
- Remove all the plugs on the ATF lines and on the transmission that were installed during removal.
- The ATF cooling function will not work and the transmission will be damaged if the plugs are forgotten.
WARNING:
The system is under pressure.
- Deactivate the ATF pump and drain the hydraulic pressure reservoir before opening the ATF circuit!
- Refer to ATF PUMP, DEACTIVATING AND DRAINING THE HYDRAULIC PUMP RESERVOIR .
ATF Cooler, ATF Line
- O-rings
- Always replace after removing
- ATF Pipe
- Always replace after removing
- O-rings
- Always replace after removing
- ATF Cooler
- Removing and installing. Refer to ATF COOLER, REMOVING AND INSTALLING .
- Guard Plate
- Depending on the version
- Bolt
- 8 Nm
- Bracket
- Bolt
- Tightening specification and sequence. Refer to Fig 3.
- Bolt
- Tightening specification and sequence. Refer to Fig 3.
- Coolant Hoses
- Bolt
- Tightening specification and sequence. Refer to Fig 3.
ATF Cooler - Tightening Specification and Sequence
-- Tighten the bolts in steps according to the specified sequence:
| Step | Bolts | Tightening Specification/Additional Turn |
|---|---|---|
| 1. | -1- | Install all the way by hand |
| 2. | -1- | 3 Nm + 90° |
| 3. | -2 and 3- | Install all the way by hand |
| 4. | -2 and 3- | 3 Nm + 30° |