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Vaccuum Leak. Manifold hose

This is a discussion on Vaccuum Leak. Manifold hose within the Firebird / WS6 forums, part of the Vehicle Specific category; Where does this hose go? Its coming from the back of the manifold and i dont know where it connects ...

  1. #1
    Senior Member Lunatikgixxer's Avatar
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    Bat mobile black
    2000 Trans am WS6 M6

    Vaccuum Leak. Manifold hose

    Where does this hose go? Its coming from the back of the manifold and i dont know where it connects to back there..

  2. #2
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    silver
    2000 formula



    that is either the line to the AIR........or to the HVAC........if it leads to the pass side.........its HVAC

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    Senior Member Lunatikgixxer's Avatar
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    Bat mobile black
    2000 Trans am WS6 M6

    nooo where does the other end connect to? that side is connected to the back of the manifold

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    that T you see in the pic......with a black rubber angled nipple......and a hard line.......is the line for the AIR....the other end of that T goes to the HVAC nipple that is in your pic

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    oops..........unless it is the other end of the HVAC line that connects to the the nipple somewhere by the HVAC on the firewall........so which is it....the firewall side or the back of the manifold side?...........ah silly me..........re read your post.......i will get a pic of the firewall side for ya tommorrow
    Last edited by sjsingle1; 08-27-2011 at 08:23 PM.

  6. #6
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    silver
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    my flash worked pretty good

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    silver
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  8. #8
    Senior Member Lunatikgixxer's Avatar
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    Bat mobile black
    2000 Trans am WS6 M6

    Thanks man! i will check it out in the AM. Thank you

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    Member damianj03's Avatar
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    slap your mama red
    1998 trans am

    i just checked the back of my intake it is a 98 with the ls1 intake still on it and i only felt the vacuum line for the hvac i didnt feel another one for the air system. Is there a difference in the years for the ls1 intake? Also i removed the air system when i did headers on it.

  10. #10
    Senior Member Lunatikgixxer's Avatar
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    Bat mobile black
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    Ok that still isnt what im talking about, that part is fine and connected.. Its the small hose that looks similar to that but runs out of the back of the intake manifold... Where does this end connect to?

  11. #11
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    that end connects to the AIR....let me find a pic..........

  12. #12
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    that blue weatherpack thingy is the AIR selenoid......there are 2 nipples on it......one goes to the hockey puck lookin thingy right behind it(not shown in pic).........the other goes to that hard line in the pic

  13. #13
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    there are only 2 lines running off of that T......either AIR or HVAC

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    this is the hockey puck thingy....it bolts on the back of the head with the bracket..........you can see the other hard line on it

  15. #15
    Senior Member Lunatikgixxer's Avatar
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    Bat mobile black
    2000 Trans am WS6 M6

    i found it! thanks for the help. hopefully it solves my high idle problem

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