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air stuck on defrost?

This is a discussion on air stuck on defrost? within the General Help forums, part of the LSx Technical Help Section category; Well as it says...My air inside is stuck on defrost of windshield.... My ac dont work cuz it needs to ...

  1. #1
    JOSEY FUCKING WALES! Frankthetank's Avatar
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    air stuck on defrost?

    Well as it says...My air inside is stuck on defrost of windshield....

    My ac dont work cuz it needs to be recharged.....so i dont know if its trying to blow cold air or not....

    Last time this car was like this is when i bought it....i guess some line on the back of the intake wasnt plugged in....My buddy fixed it...

    I just put my tranny back in and i think i might have knocked out that line when trying to move the dipstick in for it.....not sure

    where exactly is this line at?

    its driving me crazy not having any air blowing on the inside with this tx heat

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    Veteran 0rion's Avatar
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    It's a real small line that plugs into the rear of the intake. You can probably chase it up the passenger side and find where it goes. It's gonna be a pain in the ass but you can get it. Wish I had a picture of where it goes....that'd help you quite a bit. Maybe somone will chime in that has a picture of where it goes.

    There's a T connection for that line too, maybe it came off the T. Something else to check.
    Last edited by 0rion; 07-24-2008 at 11:35 PM.

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    JOSEY FUCKING WALES! Frankthetank's Avatar
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    what does it go to and from?

    is it easier to see from underneath?

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    Veteran 0rion's Avatar
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    I don't think you'll be able to do anything with it from underneath. It plugs into the back of the intake. It's a little 1/8" vacuum line. You can see it on the passenger side back by the back of the intake. Check to see if it's loose and then look for that check valve or whatever it is that it connects to by the firewall. You can possibly get your hands back there to feel for it if your hands are small. That line is what supplies vacuum to switch the vents.

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    JOSEY FUCKING WALES! Frankthetank's Avatar
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    thanx man.....u say u can actually see it though from above? and it just runs betweent he firewall and the bck inf the intake?

  6. #6
    Veteran 0rion's Avatar
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    yep

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