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Discussion in 'A3/S3 Forum (8L Chassis)' started by willmad89, Jun 16, 2014.

  1. willmad89
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    willmad89 Member

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    [Jun 16, 2014]
    I have replaced my clutch and gearbox, thought all was well till I started it up and can hear a horrible noise from the gearbox, with clutch pressed in and out doesn't make a different sounds like grinding like a bearing gone anyways I forgot to check the gearbox oil and its low would that cause this noise any ideas before I waste my money putting gearbox oil in
    #1
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  3. A3-Lee
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    A3-Lee Active Member

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    [Jun 16, 2014]
    Sounds like main shaft bearing but can't be certain without hearing it
    #2
  4. Lewis583
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    Lewis583 Active Member VCDS Map User

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    [Jun 16, 2014]
    Wouldn't a main shaft bearing go quiet if the clutch has been pressed?

    You sure you put the clutch friction plate in the right way round?
    #3
  5. VAG-Slag
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    VAG-Slag Active Member

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    [Jun 16, 2014]
    ^ my thoughts also. . . And my name is also Lewis. Ha!

    Lewis
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  6. willmad89
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    willmad89 Member

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    [Jun 16, 2014]
    I put the clutch plate in right way as when I removed it I checked which way round it went before putting the new one on, a friend told me to check the oil so I checked it and it had almost none in so think ill be putting some oil in tomorrow hopefully that will solve it
    #5
  7. Greg-S3
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    Greg-S3 Active Member

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    [Jun 16, 2014]
    Main shaft bearings are generally only noisy when under load, is this just at idle or driving etc?
    #6
  8. willmad89
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    willmad89 Member

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    [Jun 16, 2014]
    both mate idle and when driving but I only took it round the block and not gonna start it again till I put gear oil init
    #7
  9. Greg-S3
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    Greg-S3 Active Member

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    [Jun 16, 2014]
    It'd have to have no gear oil to be that bad. Was the starter motor on dowels to locate? I've seen starter motors not fitted properly and the teeth always on contact with the starter motor. Fly wheel torqued up correctly?
    #8
  10. willmad89
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    willmad89 Member

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    [Jun 16, 2014]
    theres no dowels on the starter I checked that and I moved it around to see if that was the problem and I never touched the flywheel so cant be that either
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  11. Greg-S3
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    Greg-S3 Active Member

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    [Jun 16, 2014]
    Did you use a tool to align the clutch plate properly?
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  12. VAG-Slag
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    VAG-Slag Active Member

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    [Jun 16, 2014]
    This'll only help getting the gearbox on though... If the gearbox goes on it's aligned well enough!
    #11
  13. shan00ble
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    shan00ble Member

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    [Jun 17, 2014]
    Did u replace your dmf
    #12
  14. willmad89
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    willmad89 Member

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    [Jun 17, 2014]
    I didn't touch the fly wheel but the clutch that was on before looks like a racing clutch would that have anything to do with it ?
    #13
  15. willmad89
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    willmad89 Member

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    [Jun 17, 2014]
    I have just listened to it there and when at idle sounds like a chatter like a train and then when I accelerate sounds like a whine that's the best way to describe it
    #14
  16. shan00ble
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    shan00ble Member

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    [Jun 17, 2014]
    I had a ton of chatter at idle and replaced my dmf and clutch noise gone. The flywheel gets really loose and makes that chattering noise.
    #15

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