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Thread: Squeaky Turbo?

  1. #1
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    confused Squeaky Turbo?

    Hello guys!

    i have a vectra 2.0 dti (107k)

    right i've noticed over the last few weeks my turbo (well i certainly think it is!) on my vectra is squeaking, its one little squeak quite high pitched but it only happens wen you rev it wen revs are dropping (it always does it after first start up aswell either hot or cold!) but it does happen wen changing gear wen driving aswell (same again wen revs are dropping).
    i have looked at the threads on cleaning the egr valve and will attempt this 2moro cause it probs has never been done!!

    but how do you clean the boost valve or is it all one unit?

    and is there anything else you think it could be?

    it does it wen turbo is dropping in revs so could it be somethnig to do with waste/dump gate?

    i dont have a great knowledge of engines but dont mind getting my hands dirty!

    thanx everyone!!

    Sorry for got to pur, i dont have any eml's on and i dont think im getting any power loss although it does seem sluggish at times!

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    you can go out today and buy a new turbo it will make exactly the same noise grin and bear it i know a few people with exactly the same thing

  3. #3
    Regular Member Dazzy2006's Avatar
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    i dont have a sqeak but i do have a whistle on gear changes, i wouldnt worry about it m8 as said its pretty common

    Yes there is a boost sensor, follow the how 2 and it will get u in the right area even though its based on a cdti but there is no yellow tag,just undo 1x torx bolt and wiggle it out iirc

    http://www.vectra-c.com/forum/showthread.php?t=88845

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    Can be a slight leak in the turbo pipes. Turbo to intercooler, or intercooler to engine.

    Happened to me years ago on an old Astra 1.7TD. HTH

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