Transmission Cooler: Service and Repair

Transmission Fluid Cooler

Special tools, testers and auxiliary items required

• Trim Removal Wedge (3409)

• Drip Tray for VAS 6100 (VAS 6208)

• Circlip Pliers

Removing

- Remove the noise insulation.

- Remove the radiator grille..

- Remove the windshield washer system filler neck - 1 - from the bracket - A - and secure it behind the headlamp.






- Remove the bolts - arrows -.






- Remove the bolt - 1 - and only loosen the bolt - 2 -.

- Place the drip tray for VAS 6100 (VAS 6208) below.

• The supply and return lines are connected to the transmission fluid cooler with a "quick release coupling" - arrow - and secured with a clip.






• Open the clip to remove the lines.

Do not overstretch the clip.

Replace any clips that have been overstretched. Refer to => [ Quick Release Coupling Seal Kit ] Quick Release Coupling Seal Kit, do not bend them back together. Otherwise the coupling could loosen later and transmission fluid could leak out.

- Open the clip a maximum of 16 mm - a - and remove the lines - 2 - from the cooler - 1 -.






• To prevent the supply and return lines from being switched, the couplings - 1 - are arranged opposite.






- Seal the line openings with suitable plugs.

- Rotate the lock support - A - clockwise upward.






- Remove the transmission fluid cooler bolts - arrows -.






Two additional bolts are on the bottom of the transmission fluid cooler.

- Remove the transmission fluid cooler forward.

Installing

Install in the reverse order of removal. Note the following:

- Install the transmission fluid cooler and tighten the bolts. Tightening specification, see - item 13 - in the => [ Transmission Fluid Cooler Overview ] Description and Operation.

- Connect the supply and return lines to the connections to the transmission fluid cooler

When connecting, the clip engages audibly with a "clicking noise" into the connection - 1 -.






- Make sure the clip is seated correctly.

The clip must be seated completely in the groove on the coupling - 2 - and the connection - 1 -. Dimension - a - should be a maximum of 5 mm.






If the dimension is greater than 5 mm, the clip was overstretched and it must be replaced. Refer to => [ Quick Release Coupling Seal Kit ] Quick Release Coupling Seal Kit.

Do not bend the clip together. Otherwise the coupling could loosen later and transmission fluid could leak out.

- Adjust the hood latch.

- Check the transmission fluid level and fill if necessary. Refer to => [ Transmission Fluid Level, Checking and Adding ] Transmission Fluid Level, Checking and Adding.