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Thread: My Turbo seems louder..... I think :-(

  1. #1
    Regular Member blues n twos's Avatar
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    Default My Turbo seems louder..... I think :-(

    I might be completely barking up the wrong tree here but need some advice....

    I have noticed that whilst under load I seem to be able to here the turbo "whistling" more where as before I only heard it when it dumped pressure on gear changes. ???

    No noticable loss of power and no warning lights on dash etc.

    I have noticed my chrome exhaust trims seem to get very sooty quickly as well.

    One last thing... I gave the car a good thrashing through the gears to blow out some cobwebs and when I hit the boost at 2500rpm in 2nd gear there was a surge in power but a big cloud of smoke behind me

    What do I need to check? i'm thinking hoses etc but have had a poke and a prod but can't see anything obvious.

    All tips appreciated

    Jon

  2. #2
    Regular Member monty2000's Avatar
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    Vehicle : Vectra C Pre Face, Colour Coded, CR Tech Box, Pipercross Panel filte, Blanked EGR :-)

    Trim : Club

    Engine : 1.9cdti 16v

    Year : 2005

    Default

    my turbo always whistles whoossh. i dont get no probs though

  3. #3
    Regular Member blues n twos's Avatar
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    Quote Originally Posted by monty2000 View Post
    my turbo always whistles whoossh. i dont get no probs though
    I'm prob worrying about nothing but thought I would throw it out to see if anyone else has experienced similar.

    The fact that I have full power and no lights is reassuring

    Jon

  4. #4
    Ex-Staff Full Member John LE's Avatar
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    Vehicle : Facelift Insignia/Corsa D

    Trim : LE/VXR

    Engine : 2.0 cdti/1.6 Turbo

    Year : 13/07

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    Are you using any extra oil fella? Blue smoke or anything?

    Just sounds like a normal DTi to me, lovely sound it is too

  5. #5
    Regular Member blues n twos's Avatar
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    Quote Originally Posted by john.robertson2 View Post
    Are you using any extra oil fella? Blue smoke or anything?

    Just sounds like a normal DTi to me, lovely sound it is too
    No oil.... change every 5k and is always on the max where it was when the change was done

    Only notice smoke at night when I boot it and a car behind with headlights on but not noticed it to be blue. When I had a good rev of it a while ago there was a bit of blackish smoke.

    Also had another check of the pipes but they all seem ok.

    Prob normal then

    Jon

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    Regular Member BigWilko's Avatar
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    Vehicle : Signum

    Trim : Design

    Engine : 3.0 CDTI

    Year : 2005

    Default

    It may be a busted intercooler. Check the front radiator for oil patches that might have sprayed from a hole in the intercooler behind. That's what mine did! The bottom of my intercooler was just about hanging off but it was only noticeable when the bumper was off.

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    Regular Member nokiaman1978's Avatar
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    dont know, mines seemed louder after dmf change, or it's just because it's warmer and had window down i can hear it.

  8. #8
    Regular Member vauxhall-john's Avatar
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    i just changed my turbo and the one that ive put on the car seems to be pretty loud and whistle alot dunno if it was my old one that was goosed or not

  9. #9
    Regular Member blues n twos's Avatar
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    Quote Originally Posted by vauxhall-john View Post
    i just changed my turbo and the one that ive put on the car seems to be pretty loud and whistle alot dunno if it was my old one that was goosed or not
    I think i'll stick with my whistling one then

    How much was the new turbo by the way?

    Jon

  10. #10
    Regular Member vauxhall-john's Avatar
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    Default

    it was second hand from a guy who works at a breakers, got the turbo and egr and throttle body for £100 so cant complain lol

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