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What is this

This is a discussion on What is this within the General Help forums, part of the LSx Technical Help Section category; What is this and Do I need it. Looking to take out as much as possible from the engine bay....

  1. #1
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    I take "the" out of

    What is this

    What is this and Do I need it. Looking to take out as much as possible from the engine bay.

  2. #2
    Member zmg00camaross's Avatar
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    Hard for me to tell what it is looks like a vaccum line hook to it and one way check valve

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    Just me Y2KPewterSS's Avatar
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    Pewter metallic
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    Looks like a vacuum line and one of them is the one that opens your dash vents.

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    ʢ ൧ ൨ ൩ ൪ ൫ ൬ ൭ ൮Ր Ց Ւ Փ Smittro's Avatar
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    I believe that is a directional vacuum valve. It contains a flapper valve that only lets air flow in one direction. If it is damaged air will sometimes pass through it both ways. You can test it by blowing through it and should be replaced in exactly the same direction. If it is what I think it is you probably need it. Again air should only pass in one direction.
    Last edited by Smittro; 05-18-2009 at 11:54 PM.
    :\Users\Steven\Pictures\d6ftg5nh.gif


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  5. #5
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    Quote Originally Posted by Y2KPewterSS View Post
    Looks like a vacuum line and one of them is the one that opens your dash vents.
    correct. It goes into the dash area and heater core area.

    I know this the hard way

  6. #6
    Member zmg00camaross's Avatar
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    Since it is a one way check valve and you probly like your vents to work properly I would tuck it under a loom of wires so you don't see it and leave it alone

  7. #7
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    Thanks for the responses. I am completely removing the A\C and heating elements from my car. The tube runs down to somewhere by the front head lights. Haven't been able to find where it goes yet. I just don't want to take it out and my engine starts having problems.

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    Moderator Cutlass's Avatar
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    I believe that vacuum hose connects somewhere behind the intake and thats where you should start looking so you can cap it off to avoid a vacuum leak.

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    Senior Member ss~zoso~ss's Avatar
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    Quote Originally Posted by JoshieDoom View Post
    correct. It goes into the dash area and heater core area.

    I know this the hard way
    me too, this part on mine had a hole / crack in it and my upper vents wouldnt open up

  10. #10
    Just me Y2KPewterSS's Avatar
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    Quote Originally Posted by Cutlass View Post
    I believe that vacuum hose connects somewhere behind the intake and thats where you should start looking so you can cap it off to avoid a vacuum leak.
    That's correct, it connects back by the MAP sensor.

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    Quote Originally Posted by Y2KPewterSS View Post
    That's correct, it connects back by the MAP sensor.
    Throw a pic in for good measure..


    Lil nub on the right


  12. #12
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    Good, so I cap it off at the back of the intake, and then take out all plumbing asocciated with it, and I should be good. Thank you all for the responses.

  13. #13
    TJEA Retirement Home Dr.Crash's Avatar
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    if you do that, you wont be able to turn your upper vents on.

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    Moderator Cutlass's Avatar
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    he's removing his AC stuff and Heater core so he's not concerned about the vents not working

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    that peice thats on the back of the intake that joshie has a pic of it holds the map sensor how do you get it out of the intake it feels kinda loose i was going to replace the o-ring before re-installing the intake

  16. #16
    Moderator Cutlass's Avatar
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    I've heard it won't come out with out breaking it so I'd leave it alone.

  17. #17
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    Quote Originally Posted by Cutlass View Post
    I've heard it won't come out with out breaking it so I'd leave it alone.
    Same. Jaison broke his... honestly I would silicone the hell outta it or upgrade the intake before I would try to replace it.

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    will 2 part epoxy stick to that type of plastic thanks

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    Quote Originally Posted by mknight759 View Post
    will 2 part epoxy stick to that type of plastic thanks
    JB weld or any other plastic type weld will. A good scuff and degrease and it should work.

  20. #20
    TJEA Retirement Home Dr.Crash's Avatar
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    Quote Originally Posted by Cutlass View Post
    he's removing his AC stuff and Heater core so he's not concerned about the vents not working
    gotcha, missed that part

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