Remove and Installing Transmission Oil Cooler - GT2

347419 Removing and Installing Transmission Oil Cooler - GT2


Tools

pr2002_2005GT2_wm347419-001


CAUTION!
The described operation must not be performed on vehicles with an engine at operating temperature. Risk of injury due to hot transmission oil or coolant.


Overview






Removing Transmission Oil Cooler

1. Remove rear, centre and left underbody trim.

2. Drain transmission oil.






3. Unscrew two hexagon-head bolts -A- and remove the transverse strut.

4. Disconnect the plug -B- and remove the electrical cable from the working area.






5. Disengage the coolant line for the heating supply and return lines from the plastic clips -A- and pull over the holders of the underbody trim -B- towards the rear.






6. Seal the coolant line by clamping it with special tool hose clamp vw 3093 -A-.






7. Unscrew the transmission oil connecting line -A- between the oil cooler and the transmission oil cooler.

8. Seal the coolant line by clamping it with special tool hose clamp vw 3093 -B-

9. Place a suitable container under the vehicle to collect the coolant-oil mixture from the transmission oil cooler.

WARNING!
Coolant and transmission oil may emerge during the repair operations described below. With the engine at operating temperature, there is a risk of scalding due to these liquids.

10. Undo the spring band clamp -A- and pull off the coolant hose.






11. Unscrew the holder screws -A- and the hexagon socket head bolt -B- and pull out the transmission oil cooler with the bracket.

INFORMATION:
- The cooler bracket can remaing hanging on the fastened coolant hose while the transmission oil cooler is replaced.

12. Unscrew the three fastening screws between the transmission oil cooler and the cooler bracket and remove the transmission oil cooler.

Installing Transmission Oil Cooler

1. Fit the oil cooler with new sealing rings on the cooler bracket and screw in the fastening screws.

Tightening Torque: 10 Nm (7.5 ft lbs)

2. Position the cooler bracket with the transmission oil cooler on the oil pump.

3. Screw in the hexagon socket head bolt between the cooler bracket and the oil pump.

Tightening Torque: 10 Nm (7.5 ft lbs)

4. Screw in the connecting screws between the holder and the transmission housing.

Tightening Torque: 23 Nm (17 ft lbs)

5. Connect the coolant hose to the oil cooler and connect the spring band clamp.

6. Remove special tool hose clamp vw 3093 from the coolant hoses.

7. Screw the transmission oil connecting line into place between the transmission oil cooler and the transmission on the transmission oil cooler.

Tightening Torque: 34 Nm (25 ft lbs)

INFORMATION:
- Grease the thread of the transmission oil connecting line, e.g. with Optimol optimoly paste.

8. Push the coolant lines for the heating supply and return lines over the holders of the underbody trim towards the front and clip the lines into the plastic clips.

9. Lay the electrical cable and connect the plug.

10. Fit the transverse strut.

Tightening Torque: 65 Nm (48 ft lbs)

11. Fill with transmission oil.

12. Fit underbody trims.

13. Bleed the engine cooling system

Tightening Torques