Removing gearbox (vehicles with 1.4 ltr. TFSI engine): Audi A3

🧭 Before you start

Fits: Audi A3 (8P, 2003–2012)

• Timing position: the crankshaft or camshaft is set and locked during this job
• Special tools named: locking pin

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• When disconnecting the battery there is a risk of serious damage to electronic components:Observe the correct procedure for disconnecting the battery. — Remove battery Electrical system27.
• Risk of damage to selector lever cable.Guide selector lever cable out of cable support bracket when lowering gearbox.Do not bend or kink the selector lever cable. — Unplug electrical connector (2).
• Take up weight of engine with spindle; do not lift.
• Depending on version, different types of noise insulation may be fitted.
• Depending on version, different types of wheel housing liner may be fitted.

📋 Procedure

1. Shift selector lever into position "“P”".
2. Pull off cover (1) for air duct (release retaining clips (arrows) on the sides).
3. Pull off bottom section of air duct (release retaining clips (arrows)).
4. Detach bottom section of air duct with air hose.
5. Detach air hose (1) from turbocharger (release hose clip).

6. Detach vacuum hose (2).
7. Remove bolt (3) and remove air cleaner housing.
8. ⚠ When disconnecting the battery there is a risk of serious damage to electronic components:Observe the correct procedure for disconnecting the battery. — Remove battery Electrical system27.
9. Remove bolts (arrows) and detach battery tray.
10. Pry selector lever cable (2) off gearbox selector lever using removal lever80 - 200.
11. Pull off securing clip (1) for selector lever cable.
12. ⚠ Risk of damage to selector lever cable.Guide selector lever cable out of cable support bracket when lowering gearbox.Do not bend or kink the selector lever cable. — Unplug electrical connector (2).
13. Push back dust boot (1) and disconnect "“B+ wire”" from starter solenoid.
14. Remove nut (3) for earth wire.
15. Remove bolts (1) and (2) and detach starter from gearbox.
16. Remove bolts (3, 4, 5) securing gearbox to engine.
17. Remove cover and oil dipstick.
18. If necessary, lever clip off sealing element using removal lever80 - 200 and fold up sealing element.
19. Set up support bracket10 - 222 A on wing mounting flanges (vehicles up to 05.2008) or on body flanges (vehicles from 05.2008 onwards).
20. Hook spindle of support bracket into engine lifting eye (left-side).
21. Take up weight of engine with spindle; do not lift.
22. ⚠ Risk of scalding from hot steam and hot coolant.The cooling system is under pressure when the engine is hot.Cover filler cap on expansion tank with a cloth and open carefully to release pressure. — Open filler cap on expansion tank.
23. Remove both front wheels.
24. Remove noise insulation General body repairs, exterior50. [Note: Depending on version, different types of noise insulation may be fitted.]
25. Remove noise insulation frame (arrow)General body repairs, exterior50.
26. Remove front section of front wheel housing liner on both sides General body repairs, exterior66. [Note: Depending on version, different types of wheel housing liner may be fitted.]
27. Unplug electrical connector (2) on radiator outlet coolant temperature sender G83.
28. Place drip tray for workshop hoistVAS 6208 under the engine.
29. Detach coolant hose (bottom) (1) from radiator (lift retaining clip).
30. Unplug electrical connector (2).
31. Remove bolts (1) and (3) and take out radiator cowl from below.
32. ⚠ Risk of irreparable damage to gearbox components.Never touch the contacts in the gearbox connector with your hands. Static discharge can seriously damage the control unit and mechatronic unit. — Touch a suitable earthed object with your hand (without gloves) to discharge any static electricity.
33. Unplug electrical connector (1) for mechatronic unit for dual clutch gearbox J743.
34. Take electrical connectors (2) and (3) out of bracket and unplug.
35. Remove all retainers from mechatronic unit for dual clutch gearbox J743.
36. Move electrical wiring harness clear on gearbox.
37. Unplug electrical connector (1) at oil level and oil temperature sender G266.
38. Unclip bracket (2) for electrical wiring leading to oil level and oil temperature sender G266 at subframe.
39. ⚠ Risk of damage to flexible joint.The flexible joint in the front exhaust pipe must not be bent further than 10°. — Remove nuts (1) and (2).
40. Move electrical wiring for Lambda probe after catalytic converter G130 clear (arrows).
41. Remove nuts (2) and (3) and separate exhaust system.
42. Remove bolts (1) and (5).
43. Pull bracket (4) for exhaust system off pins on front exhaust pipe.
44. Detach front exhaust pipe to front.
45. Unbolt drive shafts (left and right) from gearbox flange shafts Running gear, front-wheel drive and four-wheel drive40.
46. Remove nuts (arrows) securing swivel joint (left and right).
47. If fitted, unscrew nut on bracket for front left vehicle level sender G78.
48. Disengage swivel joints from wishbones.
49. Use assembly lever to press drive shafts (left and right) off gearbox.
50. Swivel suspension strut (left and right) outwards and support with extension 2024 A /1, as shown in illustration.
51. ⚠ Risk of accident if parts of support are not properly secured.Secure locking pin and swivel joint with retaining clip (arrow) and nut (1). — Remove flange shaft (right-side) .
52. Remove bolts (1, 2, 3) and detach pendulum support.
53. Remove bolts (arrows) for assembly mounting on gearbox.
54. Lower engine/gearbox assembly using spindle of support bracket10 - 222 A until distance (a) is obtained between gearbox housing and gearbox mounting.
55. Remove bolts (arrows) and detach gearbox support.
56. Remove bolts (arrows) and detach heat shield (1).
57. Drill two 7 mm diameter holes in support T10036, as illustrated.
58. Bolt support T10036 onto subframe with two M6x20 mm bolts (arrows).
59. Bolt engine support3300 A to support T10036.
60. Press engine approx. 50 mm towards front of vehicle using spindle of engine support.

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