Transmission Cooler: Service and Repair

ATF Cooler

• Automatic transmission clean working conditions, refer to => [ Clean Working Conditions ] Clean Working Conditions.

• General repair instructions, refer to => [ General Repair Information ] General Repair Information.

Special tools, testers and auxiliary items required

• Hose Clamps Up to 25 mm Dia. (3094)

• Used Oil Collecting and Extracting Device (V.A.G 1782)

• Protective eyewear

Removing

- Remove the noise insulation.





- Mark the ATF cooling hoses on the ATF cooler in different color to prevent mixing them up later.

- Place (V.A.G 1782) beneath transmission.


Wear protective eyewear.

- Clamp off the ATF cooling hoses to the ATF cooler using (3094).





- Remove the coolant hoses from ATF cooler.

- Seal off the ATF coolant hoses with clean sealing plugs.

• Sealing off the lines as quickly as possible prevent the coolant from draining out of the cooling system.

- Remove the three bolts - arrows - and remove the ATF cooler - B -.





• Always replace both ATF seals between the ATF cooler and the transmission.

- Seal off both openings in the transmission with clean plugs.

Installing

Install in reverse order of removal.

- Replace both ATF seals between the ATF cooler and the transmission.

- Coat both new ATF seals with ATF and attach them to the ATF cooler.

- Mount the ATF cooler - B - onto the transmission and tighten the bolts - arrows - to 10 Nm.

- Install ATF cooling hoses to ATF cooler.

- Check coolant level in cooling system.

- Check the ATF level and correct if necessary. Refer to => [ ATF Level, Checking ] ATF Level, Checking.