Removing dual clutch, gearboxes manufactured up to 05.2011 — AUDI

🧭 Before you start

Fits: platform code 2C0

• Opens: power steering fluid
• Special tools named: T10356/5
• Renewed: retaining ring
• Also covered elsewhere: Electronic Parts Catalogue (ETKA)

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• If required, order new breather cap for mechatronic unit for dual clutch gearbox J743; breather cap must be renewed after installing gearbox Electronic Parts Catalogue (ETKA).
• The clutch is pulled off upwards. The mechatronic unit remains on the gearbox.
• Secure bolts (A) with nuts as required.
• Risk of damage to clutch and other components!Push down clutch using only very light force. — To press down, turn spindle against thrust piece T10376.
• Only a few, »older« gearboxes do not have a clip.

📋 Procedure

1. ⚠ Risk of damage to gearbox.When performing repairs, the breather opening on the mechatronic unit for dual clutch gearbox J743 ((rear arrow)) and the gearbox breather ((front left arrow)) must be sealed off to avoid loss of fluid.If any oil escapes from the hydraulic fluid section of the mechatronic unit for dual clutch gearbox J743, it is not possible to replenish it or check the level! It is not possible to check the fill level of the hydraulic fluid section of the mechatronic unit for dual clutch gearbox J743. If oil escapes from the gear oil section, it can only be rectified by changing the gear oil. It is not possible to check the fill level.If the level of oil/fluid is too high or too low in either of the parts, the function of the gearbox will be impaired.Depending on the version, the breather cap on the mechatronic unit is damaged irreparably during removal and must be renewed. — Pull off both breather caps (arrows) and close using clean plugs from engine bung setVAS 6122 to achieve an oil-tight seal. [Note: As an alternative to the engine bung setVAS 6122, the protective cap02M 409 120 can also be used to seal the gearbox. Alternatively, the mechatronic unit can be sealed off properly with the protective cap0AM 325 120 A. For ordering, refer to Electronic Parts Catalogue.]
2. If required, order new breather cap for mechatronic unit for dual clutch gearbox J743; breather cap must be renewed after installing gearbox Electronic Parts Catalogue.
3. Turn gearbox on engine and gearbox jack upwards together with clutch. [Note: The clutch is pulled off upwards. The mechatronic unit remains on the gearbox.]
4. Remove retaining ring of hub (arrow).
5. Remove hub with hook3438 and a screwdriver.

6. Remove retaining ring (arrow) for clutch. [Note: If the retaining ring cannot be removed it is because the clutch has »clamped« the retaining ring at the bottom.In this case, depress the clutch slightly as described in the following. The retaining ring is thus relieved. Never strike the clutch or shaft with a hammer!Always renew retaining ring.]
7. Position support bracket T10323 parallel to gearbox flange as shown in illustration.
8. If necessary, balance out gaps using T10356/5, for example.
9. Screw in bolts (A) hand-tight. [Note: Secure bolts (A) with nuts as required.]
10. ⚠ Risk of damage to clutch and other components!Push down clutch using only very light force. — To press down, turn spindle against thrust piece T10376.
11. Remove retaining ring (arrow) for clutch.
12. ⚠ It is not permissible to reuse the retaining ring. — Insert puller T10373 into clutch and bore out clutch.
13. Remove clutch together with puller T10373.
14. Remove small engagement bearing with shim.
15. Remove large engaging lever.
16. Undo bolts and remove small engaging lever. [Note: Only a few, »older« gearboxes do not have a clip.]
17. Remove retainer for engaging lever.

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