Question about 2005 Audi A4

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  • Anonymous Mar 13, 2014

    my Audi a4 will start but not go into gear



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This gearbox is computer controlled,you will have to get it on the diagnostic machine to isolate the problem,we would all be guessing if we said its so and so.......

Posted on Aug 19, 2010

  • MistaFixa Dec 26, 2010

    Multitronic gearboxes on the A4-A6 range commonly suffer ECU problems. to remove the ECU do the following:

    1. Jack the car up on Axel stands/ramps or if you have access to a pit it will make life a little easier.
    2. You need to remove the splash guard underneath the car so you can see the back of the gear box.
    3. Drain the gear box of oil which will require a special tool which you can get for £10 from Draper Expert 1/2 Square Drive Drain Plug Key For VW Or Audi 63476 Draper Hdpk1.
    4. Remove the electronic cable that connects onto the ECU that protrudes out the back of the back of the gear box.
    5. The back of the gearbox has 12 torques holding the cover in place. Once you have removed most of them you will need to remove the rear engine mount to get at the last torque bolt at the top of the gear box.
    6. Support the gear box with a trolley jack so you can lower the gearbox to get at the last few torques.
    7. The rear engine mount can be slid towards the back of the car so you can get at the back of the gear box. There is a couple of other bolts that you will need to remove that hold the ECU cable in place.
    8. Once you have all the torques that hold the gearbox in place the cover can be slid off.
    9. Once the cover is removed be careful not to bend the metal gasket as it can be used again as long as it’s not damaged (Audi would probably change this along with the ECU seal).
    10. Once the cover is off you can now see the ECU which is held in place by 3 torques or Star bolts.
    11. After the 3 torques have been removed you can then slide the ECU off but be careful not to bend or tilt it as you remove it from the gearbox as it has guide rails made of plastic which can break easily.

    Once off, you can send the ECU away for test



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