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Thread: No boost, no spooling, wtf?

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  1. #1
    Senior Member | IA Veteran Catnip's Avatar
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    Guess I'll be doing option #2 as I made sure it's not stuck. lol
    '92 C2500 6.5 Turbo Diesel | '96 240sx

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    resident honda hater redrumracer's Avatar
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    Quote Originally Posted by cgEvan
    Guess I'll be doing option #2 as I made sure it's not stuck. lol
    well if its not stuck open then #2 wont do you any good, unless somehow the spring the the wastegate broke and just opens freely, but then you still wouldnt need #2 to see that. it has to be leaking boost somewhere, or an exhaust leak before the turbo.

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    Quote Originally Posted by redrumracer
    well if its not stuck open then #2 wont do you any good, unless somehow the spring the the wastegate broke and just opens freely, but then you still wouldnt need #2 to see that. it has to be leaking boost somewhere, or an exhaust leak before the turbo.
    It's definitely not freely, I had to use pliars to grip it, and it was still very springy.

    I know it's boost leaking, but that doesn't explain the all of a sudden loss of turbo noises. If there was a pre-turbo exhaust leak, wouldn't I hear it and find traces of black sut around it?
    '92 C2500 6.5 Turbo Diesel | '96 240sx

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    resident honda hater redrumracer's Avatar
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    Quote Originally Posted by cgEvan
    It's definitely not freely, I had to use pliars to grip it, and it was still very springy.

    I know it's boost leaking, but that doesn't explain the all of a sudden loss of turbo noises. If there was a pre-turbo exhaust leak, wouldn't I hear it and find traces of black sut around it?
    id hope you would be able to hear if there was an exhaust leak, and there might not be immediate black soot. just go through and check all your connections and make sure you didnt blow off a connector. not sure about the turbo noise tho.

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