Removing and installing ATF lines: Audi A6/A7 C7

🧭 Before you start

Fits: Audi A6/A7 C7 (4G, 2011–2018)

Don't miss

• Note rules for cleanliness when working on automatic gearbox .
• Before fitting a replacement gearbox, always blow through the ATF cooler and ATF lines with compressed air (not more than 10 bar).
• If the ATF which emerges during cleaning is very dirty, the ATF cooler and ATF lines must additionally be flushed out with clean ATF.

📋 Procedure

1. ⚠ Risk of damage to gearboxAll plugs inserted in ATF lines and gearbox when dismantling must be removed.If you forget to remove the plugs, the ATF cooling will be ineffective and the gearbox will be damaged. — Place used oil collection and extraction unitVAS 6622 below gearbox.
2. Pull off retaining clips (1) and (4) and disconnect ATF lines.
3. Remove bolts (arrows) and detach ATF lines.
4. Seal off open lines and connections with clean plugs from engine bung setVAS 6122.
5. ⚠ Risk of damage to gearboxAll plugs inserted in ATF lines and gearbox when dismantling must be removed.If you forget to remove the plugs, the ATF cooling will be ineffective and the gearbox will be damaged. — Push on ATF lines as far as stop and fit retaining clips (1) and (4).

6. Tighten bolts (arrows) to specified torque again.
7. Check ATF level .
8. Press ATF line (1) all the way onto ATF connection until retainers are disengaged, and release retaining clip.
9. Detach ATF lines.
10. Remove bolts (arrows) and detach ATF lines.
11. Seal off open lines and connections with clean plugs from engine bung setVAS 6122.
12. ⚠ Risk of damage to gearboxAll plugs inserted in ATF lines and gearbox when dismantling must be removed.If you forget to remove the plugs, the ATF cooling will be ineffective and the gearbox will be damaged. — Lightly lubricate ATF connection with ATF.
13. Press ATF line (1) all the way onto ATF connection until retainers are disengaged.
14. Holding in this position, press down retaining clip of quick-release coupling.
15. Tighten bolts (arrows) to specified torque again.
16. Check ATF level . [Note: Note rules for cleanliness when working on automatic gearbox .]
17. Before fitting a replacement gearbox, always blow through the ATF cooler and ATF lines with compressed air (not more than 10 bar).
18. Place used oil collection and extraction unitVAS 6622A below gearbox. [Note: If the ATF which emerges during cleaning is very dirty, the ATF cooler and ATF lines must additionally be flushed out with clean ATF.]

Other AUDI procedures

• Removing and installing toothed belt – Audi · 56 torque figures
• Removing engine – Audi A8 D3 · 41 torque figures
• Removing camshaft timing chain from camshafts – Audi A6/A7 C7 · 38 torque figures
• Installing engine – Audi A8 D4 · 36 torque figures
• Removing and installing camshaft timing chain · 29 torque figures
• Checking fuel system pressurisation pump G6 - A5 from model year 2012 onwards, A4 with 4-cyl. and 6-cyl. engines from model year 2013 onwards, RS 5 from model year 2012 onwards, RS 4
• Removing and installing fuel pump control unit J538 - rest-of-world vehicles with front-wheel drive
• Installing front interior light W1 with warning lamp for airbag deactivated on front passenger side
• Checking activation – Audi A4 B5
• Cleaning ATF pipes and ATF cooler – Audi Q7