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Whats that Noise??

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by J7USS, Jul 24, 2007.

  1. J7USS
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    J7USS Shuddup Foooool!!

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    [Jul 24, 2007]
    When I start my car up in the Morning you usually get that Motorised noise for about 15 seconds, It sounds like a Hoover, What is it and since driving through a Deepish puddle (on the M5 which I got caught in for 13hrs) everytime I start her up after its been sitting all night and day I get that Hoover Noise but it sounds rough, Like its dry rotating Grinding noise, Any help Folks will be appreciated...

    :icon_thumright:
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  3. dualmono21
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    dualmono21 Well-Known Member

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    [Jul 24, 2007]
    sounds like the pump which is priming the injectors
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  4. J7USS
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    J7USS Shuddup Foooool!!

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    [Jul 24, 2007]
    Ok, what does it mean when its suddenly making a racket??? New Pump, Grease the Pump, Recon the pump..:think:
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  5. golf
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    golf ***** rent boy VCDS Map User

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    [Jul 25, 2007]
    It's your secondary air pump, that makes all those weird humming noises. I don't know what could be causing the excessive noise though.
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  6. jase0851
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    jase0851 Member

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    [Jul 25, 2007]
    yeah mine makes a hoovery noise for about 1 minute on start up sounds like ive got a big bore exhaust on then goes of just before choke and quietens right down. sounds whistley when its quietening down if you know what i mean
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  7. J7USS
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    J7USS Shuddup Foooool!!

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    [Jul 25, 2007]
    yeah mine used to sound like that but now it sounds like a Morphy richards Blender...:faint:
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  8. jase0851
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    jase0851 Member

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    [Jul 25, 2007]
    oh wierd that j7uss, so mines normal then
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