ATF Pipes And ATF Cooler, Cleaning

WARNING: This page is about a different car, the 2015 Audi Q7, 2014 Audi Q7, 2013 Audi Q7, 2012 Audi Q7, and 2011 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Used Oil Collection And Extraction UnitSMN372500
Protective eyewear

Procedure

Before installing a replacement transmission, always clean out the ATF cooler and ATF pipes using compressed air (maximum 10 bar (145 psi)).

WARNING:

Wear protective eyewear.

-- Clean the following connections thoroughly: ATF pipe/transmission, ATF pipe/thermostat and ATF pipe/ATF cooler.

-- Remove the bolt -1- and pull the ATF pipes out of the thermostat -2-.

Fig 1: Identifying Bolt & Thermostat

Courtesy of AUDI OF AMERICA, LLC

-- Control the thermostat and remove the ATF pipes from/to ATF cooler on the thermostat -2-.

-- Remove the ATF cooler and drain it. Refer to ATF PIPES AND ATF COOLER, REMOVING AND INSTALLING

-- Remove the ATF lines from the transmission.

Fig 2: Plugging ATF Lines And Transmission

Courtesy of AUDI OF AMERICA, LLC

-- Attach a hose to one transmission ATF pipe/thermostat and secure it with a hose clamp. Hang the other end of the hose in a suitable container.

-- Clear the ATF pipe with compressed air.

-- Connect the hose to the other ATF pipe and repeat the procedure.

-- Coat the O-ring with ATF.

-- Install the ATF pipes to the ATF cooler. Refer to ATF PIPES AND ATF COOLER, REMOVING AND INSTALLING