Torque Converter: Service and Repair

CAUTION!
Before installing the transmission, check the installation dimension of the torque converter.

Note:
- Pay attention to the rules for cleanliness when working on the automatic transmission refer to Automatic Transmission/Transaxle; Service and Repair.
- Repair instructions refer to Description and Operation.
- Apply a thin coat of petroleum jelly to the seals. Other greases result in operating problems of the hydraulic controls.





1- Torque converter
- Secure to prevent falling out when transmission removed
- Code letters refer to Automatic Transmission/Transaxle; Application and ID.
- Examining
- Installing
- Installation dimension
2- Seal
- Replacing
3 Thrust ring
- Behind seal
- Replace if damaged

Torque converter seal, replacing
The following special tools and test equipment are required for this operation:
VW 681 - Extractor lever
3295 - Thrust piece
Removing and installing transmission.
- Attach transmission to repair stand, or place down on a flat surface.





- Use extractor lever VW 681 to remove seal for torque converter.

Notes:
- Attach extractor lever VW681 directly behind the sealing lip of the seal so that the thrust ring, -item 3- in illustration, is not damaged.
- Replace the thrust ring if damaged.





- Use thrust piece 3295 to install seal for torque converter as far as stop of thrust piece.

Notes:
- The open side of the seal faces the transmission. Apply a thin coat of petroleum jelly to the outer circumference and the sealing lip of the sealing ring.
- Before installing the sealing ring, ensure that thrust ring -item 3, is installed undamaged.

Torque converter, examining





- Examine hub -arrow- of torque converter for traces of wear.

Note:
The torque converter must be replaced complete if damaged or faulty.

Torque converter, installing
- Push torque converter hub through seal onto transmission shaft as far as first stop.
- Press torque converter by hand into torque converter bell while rotating it until the recess of torque converter hub engages in pump gear shaft and torque converter is felt to slip into place.
Installation dimension





If the torque converter is correctly installed, the distance between the faces of the threaded hole at the torque converter and the contact face of the torque converter bell is about 23 mm (29/32 inch).
If the torque converter is not fully installed, this distance is about 11 mm (7/16 inch).

CAUTION!
If the torque converter is not correctly installed, the ATF pump shaft will be destroyed when the transmission is connected to the engine.