Transmission Cooler: Service and Repair

Oil Cooler

Special tools, testers and auxiliary items required

• Hose Clamps Up to 25 mm dia. (3094)

• Torque wrench (V.A.G 1331)

Removing

- Place selector lever in position "P".

- Remove battery and battery holder

- Place lint-free cloth on to oil cooler and transmission to absorb exiting coolant.

- Clamp off coolant hoses using Hose Clamps Up to 25 mm dia. (3094).





- Open spring clips and disconnect coolant hoses from transmission oil cooler.

- Remove bolts - A - and remove transmission oil cooler - B -.





CAUTION!
Coolant must not drip into transmission!

Installing

- Replace O-rings - C - of oil cooler - B -.





- Install oil cooler - B -, when doing this, pay attention to O-rings - C -.

- Install new bolts - A - and tighten to 20 Nm plus an additional 90° (1/4 turn).

- Install coolant hoses on oil cooler and remove Hose Clamps Up to 25 mm dia. (3094).





- Insert new filter with seat facing downward and tighten housing to 20 Nm.





• After repairing, you do not have to change filter again when filling oil.

- Install battery and battery holder

- Check coolant level and top off coolant if necessary.

- After repairing, fill oil without replacing filter --> [ Transmission, Changing Oil, Filter and Adjusting Oil Level ] Transmission, Changing Oil, Filter and Adjusting Oil Level.





CAUTION!
Do not start engine while checking coolant level, because direct-shift transmission oil has still not been added.