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where does the wastegate vacume line hook up to ?

This is a discussion on where does the wastegate vacume line hook up to ? within the Duramax Forum forums, part of the General Discussion category; just had some work dont to my truck and found that the vacuum line that goes to the waste gate ...

  1. #1
    Registered User jones20992's Avatar
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    where does the wastegate vacume line hook up to ?


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    just had some work dont to my truck and found that the vacuum line that goes to the waste gate actuator is not hooked up to anything where does it hook up to thanks guys
    1982 3/4 4wd
    1991 1/2 ton suburban 4wd
    2002 1500 suburban
    1984 chevy m1028a1

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    Re: where does the wastegate vacume line hook up to ?

    Wastegate solenoid.
    1994 K1500 ECSB 6.5/4L80-E
    1987 V20 Suburban DRW 6.2/TH400. WIP.

  3. #3
    Registered User jones20992's Avatar
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    Re: where does the wastegate vacume line hook up to ?

    where is that i cant seem to find it the one end is attached to the vac can hanging off the turbo i am guessing that is the solenoid? but if i am wrong where is it located ?



    would someone mind taking a picture
    Last edited by jones20992; 09-09-2010 at 12:15 PM.
    1982 3/4 4wd
    1991 1/2 ton suburban 4wd
    2002 1500 suburban
    1984 chevy m1028a1

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    Re: where does the wastegate vacume line hook up to ?

    It goes between the actuator (on the turbo) to the solenoid (above driver side valve cover toward the firewall).
    1994 K1500 ECSB 6.5/4L80-E
    1987 V20 Suburban DRW 6.2/TH400. WIP.

  5. #5
    Registered User jones20992's Avatar
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    Re: where does the wastegate vacume line hook up to ?

    Quote Originally Posted by RCpullerdude View Post
    It goes between the actuator (on the turbo) to the solenoid (above driver side valve cover toward the firewall).


    ok so i found 2 that look like this, and one pig tail that does not have one connected. i am ether missing a egr or boost Solenoid. now other then the dots how can you tell winch is winch. i also don't know winch side to plug it in to but out of what i am guessing is 6 vacuum ports i have none hooked up could you maybe also shed some light on winch goes where ?


    ok so i found a red dot and a white dot winch means i am missing the green dot = boost solenoid so i am off to autozone and to go get one and about 10 feet of vacuum line if some one could tell me where it all goes that would be great
    Last edited by jones20992; 09-10-2010 at 01:23 PM.
    1982 3/4 4wd
    1991 1/2 ton suburban 4wd
    2002 1500 suburban
    1984 chevy m1028a1

  6. #6
    Registered User vegaman04's Avatar
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    Re: where does the wastegate vacume line hook up to ?

    FYI the stock waste-gate controller setup is very unreliable. Plastic hoses that break and maximum boost is ever rarely achieved. Convert it to a mechanical (spring) controller.

    Otherwise, run the new vac hose to the actuator on the turbo, run the other end to the solenoid and replace the other vac line to the vacuum pump.

    06' Silverado 2500HD 6.6l Duramax

 

 

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