Removal and Replacement

ATF Cooler





1 Cooler for coolant
2 Retaining clamps
3 Condenser
4 ATF cooler
5 Cooler for power steering
6 Lock carrier

Special tools, testers and auxiliary items required

• Old oil collecting and extracting device (V.A.G 1782)





• Safety glasses

Removing

- Remove screws and remove front - 1 - and rear - 2 - sound insulation.





Wear eye protection.

- Remove both union nuts - 4 - at top of ATF cooler.





- Press off retaining clips - 2 - and - 3 -.





• Ignore bolt - 1 -, does not need to be removed to remove ATF cooler.

- Seal ATF lines and ATF cooler - 4 - with clean plugs.

- Remove ATF cooler - 4 -.

Installing

Installation is in reverse order of removal. Note the following:

Torque specifications: => [ ATF Lines, Thermostat and Cooler, Assembly Overview ] Description and Operation

- Replace O-ring - 3 - and coat with ATF.





- Remove plugs, completely insert ATF lines - 2 - in ATF cooler - 5 -.

- Tighten union nuts - 4 - while counterholding at ATF cooler.

- Automatic transmission fluid (ATF) level, checking and topping off => [ ATF Level, Checking and Filling ] ATF Level, Checking and Filling.

- Test ATF line connections for leaks and check.

• Because ATF lines from ATF thermostat to ATF cooler were opened, a "ventilation road test" must be performed after ATF check. Afterward, an ATF check must be performed again, see => [ ATF Level, Checking and Filling ] ATF Level, Checking and Filling

• ATF coolant circuit can only bleed if ATF temperature is above 75°C and the thermostat to ATF cooler opens.