Torque Converter - Automatic Transmission 0C8: Specifications Audi Q7 4L facelift

TORQUE CONVERTER, DRAINING

Special tools and workshop equipment required

1. Oil Collecting and Extracting Device V.A.G 1782

Procedure

Scheme 133

If the ATF becomes dirty due to shavings or during a major transmission overhaul, then the torque converter must be drained as follows

Extract the ATF from the torque converter using the V.A.G 1782.

TORQUE CONVERTER OVERVIEW

Note. REPAIR INFORMATION . CLEAN WORKING CONDITIONS .

Scheme 134

1. Torque Converter Draining, refer to «TORQUE CONVERTER, DRAINING»(ref-491727-S37683699062012073100000) Checking, refer to «TORQUE CONVERTER, CHECKING»(ref-491727-S25798874742012073100000) Installing, refer to «TORQUE CONVERTER, INSTALLING»(ref-491727-S19086994542012073100000) Check the installation dimension for the torque converter before installing the transmission, refer to «INSTALLED DIMENSION»(ref-491727-S23986126562012073100000)
2. Bolt 85 Nm Replace
3. Cover Version depending on the engine installed The covers prevent dust and dirt from getting into the torque converter bell housing.
4. Flange For the starter 3.0L TFSI engine only
5. Bolt 10 Nm
6. Shaft Seal For the torque converter Removing and installing, refer to «TORQUE CONVERTER SHAFT SEAL»(ref-491727-S09883675132012073100000)

FASTENER TIGHTENING SPECIFICATIONS

TORQUE CONVERTER, CHECKING

Check the hub on the torque converter for scoring -arrow-.

Scheme 135

Note. Replace the torque converter if it is damaged.

TORQUE CONVERTER, INSTALLING

Special tools and workshop equipment required

1. Depth Gauge VAS 6082

Installing

Scheme 136

Press torque converter hub through shaft seal as far as the first stop.

Lightly press the torque converter inwards and turn until slots on torque converter hub engage in the drive lugs on ATF pump gear and torque converter slides in a noticeable distance.

The outer sealing lip on the shaft seal can fold inward when the torque converter is being installed -arrow-.

If this happens, pull the torque converter out 5 mm. This will correct the position of the sealing lip -arrow-.

Scheme 137

Then push the torque converter all the way into the transmission.

Scheme 138

When the converter is inserted correctly, distance -a- between contact surfaces on threaded holes and on the converter and torque converter bell housing contact surfaces is at least 23 mm.

Always use new bolts to secure torque converter to the drive plate.

Note the following when installing the transmission.

Torque converter to the drive plate tightening specification, see transmission installation. Refer to 3.0L TFSI TRANSMISSION, REMOVING or 3.0L TDI, refer to TRANSMISSION, REMOVING .

After transmission installation, check the ATF level and fill. Refer to ATF LEVEL INSIDE TRANSMISSION .

Note. Make sure the cover -2- for the converter bell housing is installed. The cover prevents dust and dirt from getting into the torque converter housing and the torque converter seal from leaking.

TORQUE CONVERTER SHAFT SEAL

Special tools and workshop equipment required

1. Extractor Lever VW 681
2. Thrust Piece 3295

Procedure

Scheme 139

1. Transmission removed.

Carefully remove the torque converter.

Insert VW 681 directly behind the sealing lip of the sealing ring, so that the contact ring which is behind it is not damaged.

Remove torque converter shaft seal with VW 681.

Coat the outer circumference and the sealing lips -arrow- on the new shaft seal with ATF.

Scheme 140

Installed position

1. Open side of shaft seal faces transmission.

Use 3295 to drive in torque converter shaft seal as far as thrust piece stop.