Cleaning ATF lines and ATF coolers: Audi Q7

🧭 Before you start

Fits: Audi Q7 (4L, 2005–2015)

• Opens: gearbox oil

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• Disconnect ATF lines coming from and leading to ATF cooler at thermostat (2). When doing this, counterhold at thermostat.

📋 Procedure

1. Thoroughly clean area around connections: ATF line to gearbox, ATF line to thermostat and ATF line to ATF cooler.
2. ⚠ Wear safety goggles. — Place used oil collection and extraction unitV.A.G 1782 below gearbox.
3. Remove bolt (1) and pull ATF lines out of thermostat (2).
4. Disconnect ATF lines coming from and leading to ATF cooler at thermostat (2). When doing this, counterhold at thermostat.
5. Remove and drain ATF cooler .

6. Remove thermostat and blow through ATF cooler and ATF lines or flush with ATF.
7. Unscrew bolt (arrow) and detach ATF lines from gearbox.
8. Push a hose onto one end of the ATF line between gearbox and thermostat and secure with a hose clip. Hang other end of hose in a suitable container.
9. Blow through ATF line with compressed air.
10. Push hose onto other ATF line and repeat procedure.
11. Install ATF lines and ATF cooler .

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