LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Audi >> 2012 >> A8 Base >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Automatic Transmission - Controls & Housing >> 37 Controls, Housing >> ATF Circuit >> ATF Circuit Overview >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

ATF Circuit Overview: Notes

CAUTION:

Danger of causing damage to the transmission.

  • Remove all the plugs on the ATF pipes 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.

ATF Cooler, ATF Line

Fig 1: Identifying ATF Circuit Overview
GWWA37-11179Courtesy of AUDI OF AMERICA, LLC
  1. Clip
    • Replace bent or stretched circlips.
  2. ATF Cooler
  3. Bolt
    • 8 Nm
  4. Clip
    • Replace bent or stretched circlips.
  5. O-Ring
    • Replace
    • Coat with ATF before installing
  6. ATF Pipe
    • Cleaning, refer to Clean .
    • Install all the way by hand with a new O-ring.
  7. Bolt
    • 20 Nm
    • First insert the ATF pipes with new O-rings by hand as far as the stop
    • The retaining tab on the lower ATF pipe must lie on the transmission threads
    • The retaining tab on the upper ATF pipe must touch the lower one.
  8. Bolt
    • 8 Nm
  9. O-Ring
    • Replace
    • Coat with ATF before installing
  10. ATF Pipe
    • Cleaning, refer to Clean .
    • Install all the way by hand with a new O-ring.
  11. Bolt
    • 8 Nm