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What sockets for DIY 8P front wheel bearing change ?

Discussion in 'A3/S3/Sportback (8P Chassis)' started by marty1, Oct 5, 2011.

  1. marty1
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    marty1 New Member

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    [Oct 5, 2011]
    Hi, I have an Audi A3, 2.0l tdi 140, the car is on a 2004 plate, 8P?
    The front wheel bearing has gone, i bought one locally and it came with a new hub bolt and four bolts to secure the hub but i need help buying the correct sockets for the job.
    The hub bolt is 12 sided, around 24mm??? , maybe metric???, can anybody advise me on the correct socket required.

    The hub itself came with four bolts that secure it, they have a 12 sided pattern going into the head of the bolt (male), again i have no idea what size of socket i need to buy so i can get the bearing changed, please help, thanks...
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  3. marty1
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    marty1 New Member

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    [Oct 11, 2011]
    Anyone ???
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  4. Adam.
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    Adam. Meow.

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    [Oct 11, 2011]
    24mm for driveshaft.
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  5. marty1
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    marty1 New Member

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    [Oct 12, 2011]
    Ok, after some digging i found the required info. For future reference it is as follows...

    Required tools:
    21mm Socket - for removing brake calipers
    12mm triple square socket/bit - to remove 4 rear bolts on wheel bearing/hub
    T30 socket/bit - to remove rotor from hub

    27mm socket - to remove axle bolt
    *** Some have a standard hex bolt and some have a 12 point bolt head. Make sure to check your specific vehicle. ***

    3 inch extensions for ratchet

    Rubber mallet - to pound out axle from wheel hub(not shown in picture)
    Torque wrench with capable range from 35-150 ft lbs.

    A breaker bar to remove a seized axle bolt - these usually only come in 3/4 socket size so a 3/4 to 1/2 reducer will be needed.
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  6. marty1
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    marty1 New Member

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    [Oct 20, 2011]
    Ok, just bought all the tools i didn't have, one adjustment to the above is that the wheel hub bolt is 5/16 th in size with 12 splines inside it, a 24mm fits but it is a bit loose, hope this info helps someone else down the line...
    #5

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