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Screeching noise

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by physk, Mar 10, 2011.

  1. physk
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    physk Member

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    [Mar 10, 2011]
    Got an Audi a4 1.9tdi

    makes a sharp grumbling noise when you full lock the steering wheel either way

    any ideas budds?
    #1
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  3. swarcup
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    swarcup Well-Known Member

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    [Mar 10, 2011]
    Check your power steering fluie level, they do this when its below level. Best place to start
    #2
  4. kujo
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    kujo New Member

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    [Mar 11, 2011]
    If not it could be the alternator pulley! I had this recently and mine had seized. The garage replaced this and the belt and I think it was about £180 as they had to take the alternator out to replace the pulley due to a lack of space in the engine bay.
    #3
  5. chrisash32
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    chrisash32 Member

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    [Mar 11, 2011]
    Exacaly the same as me. After a while mine got worse and was even doing under normal steering.. So i had it replaced yesterday :)

    Replaced the alternator pulley and also the AUX Belt + AUX Belt Tensioner.

    All working fine again now :)
    #4
  6. mattyboyc
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    mattyboyc Active Member

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    [Mar 11, 2011]
    I've had the same on mine,it also squealed when you backed off the throttle that turned out to be the air-con pump bearing had seazed.
    #5

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