Audi A4: Seals

Component Location Overview - Gaskets

1 - Flywheel

• Removing an installing. Refer to → Chapter "Flywheel, Removing and Installing".

2 - Left Flange Shaft Seal

• Replacing. Refer to → Chapter "Left Seal, Replacing".

3 - Front Differential

4 - O-Ring

• Replace after removing.

5 - Final Drive Cover

• Tightening specifications and sequence. Refer to → Fig. "Final Drive Cover - Tightening Specification and Sequence"

6 - Right Flange Shaft

• Removing and installing. Refer to → 7-Speed Dual Clutch Transmission 0CK; Rep. Gr.39; Differential; Right Flange Shaft, Removing and Installing.

7 - Right Flange Shaft Seal

• Replacing. Refer to → 7-Speed Dual Clutch Transmission 0CK; Rep. Gr.39; Seals; Right Seal, Replacing.

8 - Selector Lever

• Removing and installing. Refer to → 7-Speed Dual Clutch Transmission 0CK; Rep. Gr.34; Gearshift Mechanism; Selector Shaft Seal, Replacing.

9 - Selector Shaft Seal. Refer to → 7-Speed Dual Clutch Transmission 0CK; Rep. Gr.34; Gearshift Mechanism; Selector Shaft Seal, Replacing.

• Replacing

10 - Left Flange Shaft

• Removing and installing. Refer to → 7-Speed Dual Clutch Transmission 0CK; Rep. Gr.39; Differential; Left Flange Shaft, Removing and Installing.

11 - Clutch Cover Seal

• Replacing. Refer to → Chapter "Input Shaft Seal, Replacing".

Left Seal, Replacing

Special tools and workshop equipment required

• Seal Installer - Flange Shaft -T40164-
• Puller - Flanged Shaft -T10037-
• Sealing Grease -G 052 128 A1-

• Transmission is secure on the Gearbox Support -T40206-. Refer to → Chapter "Securing on Engine and Transmission Holder"

Removing

- Remove the right flange shaft. Refer to → 7-Speed Dual Clutch Transmission 0CK; Rep. Gr.39; Differential; Right Flange Shaft, Removing and Installing.

Remove the bolts -arrows- and the final drive cover.

  Caution

Danger of causing damage to the differential.

• Slowly and carefully remove final drive cover from transmission housing. Otherwise differential can fall out of transmission.
• A differential that has fallen out can no longer be installed. If differential falls out, transmission must be replaced.

- Carefully remove the front final drive cover. At the same time some transmission fluid will drain out.

- Carefully remove the differential -arrow- and lay it on a soft support.

- Remove the left flange shaft. Refer to → 7-Speed Dual Clutch Transmission 0CK; Rep. Gr.39; Differential; Left Flange Shaft, Removing and Installing.

- Remove the flywheel. Refer to → Chapter "Flywheel, Removing and Installing".

- Pry out the shaft seals with a screwdriver.

  Caution

Danger of damaging the seating surface in the transmission housing.

Position the screwdriver carefully.

Installing

Install in reverse order of removal while noting the following:

- Always clean the transmission housing in the area where the differential is accessed -arrow A- and the shaft seal seat -arrow B-.

- Lightly coat the new seal on the outside with oil and install it using the Seal Installer - Flange Shaft -T40164-.

• The open side of the seal faces the Thrust Piece for Final Drive at Gearbox -T40164-.

- Install the shaft seal all the way. Be careful not to bend it.

- Fill the space between the sealing/dust lip halfway with Sealing Grease -G 052 128 A1-.

- Install the differential -arrow-.

- Replace the O-ring -A- on the front final drive cover and coat it with transmission fluid.

- Insert the final drive cover and tighten the bolts -arrows-. Tightening specification. Refer to → Fig. "Final Drive Cover - Tightening Specification and Sequence".

- Installing the right flange shaft. Refer to → 7-Speed Dual Clutch Transmission 0CK; Rep. Gr.39; Differential; Right Flange Shaft, Removing and Installing.

- Install the flywheel. Refer to → Chapter "Flywheel, Removing and Installing".

- Installing the left flange shaft. Refer to → 7-Speed Dual Clutch Transmission 0CK; Rep. Gr.39; Differential; Left Flange Shaft, Removing and Installing.

Right Seal, Replacing

Description of the Procedure. Refer to → 7-Speed Dual Clutch Transmission 0CK; Rep. Gr.39; Seals; Right Seal, Replacing.

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