Overview - ATF Circuit

ATF Lines, ATF Cooler, ATF Filter 

Fig 1: Overview of ATF Circuit

Courtesy of AUDI OF AMERICA, LLC

1. ATF Pipe/Hose Line
   • Removing and installing, refer to ATF PIPES, REMOVING AND INSTALLING .
2. O-Ring
   • Replacing
   • Coat with ATF before installing
3. Bolt
   • 8 Nm
4. ATF Cooler
   • Removing and installing, refer to ATF COOLER, REMOVING AND INSTALLING .
5. ATF Filter
   • Check for cracks
   • Removing and installing, refer to ATF FILTER, REMOVING AND INSTALLING .
6. ATF Pipe/Hose Line
   • Removing and installing, refer to ATF PIPES, REMOVING AND INSTALLING .
7. ATF Pipe/Hose Line
   • Removing and installing, refer to ATF PIPES, REMOVING AND INSTALLING .
8. Bolt
   • 20 Nm
   • First insert the ATF pipes with new o-rings by hand as far as the stop
9. O-Rings
   • Replacing
   • Coat with ATF before installing
10. Bolt
    • 5 Nm +90°
    • Replacing
11. O-Ring
    • Replacing
    • Coat with ATF before installing
12. ATF Pipe/Hose Line
    • Removing and installing, refer to ATF PIPES, REMOVING AND INSTALLING .
13. Clips

Fill And Check Plugs 

Fig 2: ATF Level Checking, Draining And Filling Overview

Courtesy of AUDI OF AMERICA, LLC

1. ATF Fill and Check Plug
   • 30 Nm
   • Depending on the version, different ATF inspection plugs are installed. Always pay attention to the allocation according to the transmission codes .
   • Replacing
2. ATF Oil Level Tube
   • Always replace if removed
3. O-Ring
   • Not available individually
   • Must be inserted completely into the oil level tube groove
4. Fill and Check Plug
   • 30 Nm
   • For the transmission fluid inside the front final drive
   • Replacing