ATF Pipes And ATF Cooler, Cleaning

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

CAUTION:

This procedure contains mandatory replaceable parts. Refer to component overview prior to starting procedure.

Mandatory Replacement Parts

O-rings - ATF Pipes

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 the ATF pipes from the thermostat -2-.

Fig 1: Identifying Bolt & Thermostat

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the ATF pipes from/to ATF cooler on the thermostat -2-. Counter-hold at the thermostat.

-- Remove and drain the ATF cooler. Refer to OVERVIEW - RADIATOR AND RADIATOR FAN [CATA] /COOLANT, DRAINING [CATA] , COOLANT, DRAINING [CGRA] and COOLANT, DRAINING AND FILLING [CGFA] .

-- Remove the ATF lines from the transmission.

Fig 2: Identifying Transmission Fluid Pipe Bolts -1 And 2

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Attach a hose to one transmission/thermostat ATF pipe 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 lines. Refer to ATF PIPES, REMOVING AND INSTALLING

-- Install the ATF cooler. Refer to RADIATOR, REMOVING, INSTALLING AND DISASSEMBLING [CATA] , RADIATOR, REMOVING AND INSTALLING [CGRA] and RADIATOR, REMOVING AND INSTALLING [CGFA] .