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high boost screaming noise, please help

Discussion in 'General Technical / How To' started by alkee, Jun 20, 2004.

  1. alkee
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    alkee New Member

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    hi, i ve been bouncing this round the tt forum for a bit now , but no body seems to be able to help. so i thought i would try here.. problem is a noise coming from the turbo area when the car is at max boost (24psi)ive had it on a rolling road even had a hand down to try a feel for leeking boost etc. but nothin . the noise is a cross between a fan belt sliping and a the top of a bottle been blown and only does this noise when i floor it early and leave it to build up ,lets say from 40mph in 4 gear, ive had a boost gauge on , and it does it at about 22 to 24 psi . got new dv and samco inlet hose fitted, checked all jubilee clips etc, so the question is really what could make this noise without there being a leek?
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  2. alkee
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    alkee New Member

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    sounds interesting where abouts is this gauge hose taping point is it on the inlet hose, what gauge is this for? thanks in advance
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  3. alkee
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    alkee New Member

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    mmm dont really sound like thats it.my noise is coming from the turbo area. and i havnt got a boost gauge fitted full time , only when i tested the preasure
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  4. Markey
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    Markey Active Member

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    Is there a spilt in your cat?
    I had a noise that sounded like a duck repeatively quacking when boosting.
    Found that there was a small gap inbetween where the Cat met the down pipe and another one where the down pipe joins the Mid section really easy to sort out.
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  5. Gambba
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    Gambba Active Member

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    Had a similar noise on my cracked turbo, especially when lifting off...high boost.

    I hope not for your sake, but it was a noise like that which you describe.
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  6. alkee
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    alkee New Member

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    you got me worried /ubbthreads/images/graemlins/shocked.gif but im not loosing any power or psi at all ?
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  7. Mike.M
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    Mike.M Well-Known Member

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    I am very sure that the noise you are hearing is due to the gauge.

    I had it higher up the rev range.........will look for the part for you.
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  8. alkee
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    alkee New Member

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    cheers mike hope your right, have you got a picture of where it may be
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