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A/C help

This is a discussion on A/C help within the General Help forums, part of the LSx Technical Help Section category; Originally Posted by Smittro Check the vaccume block located near the BCM up under the passenger dash kick panel near ...

  1. #21
    Veteran Blackbird WS6's Avatar
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    Quote Originally Posted by Smittro View Post
    Check the vaccume block located near the BCM up under the passenger dash kick panel near the glove box bucket.. it's round with multi colored hoses comming out of it.. Check connections and for dryrot. There could also be an obstruction in the "flapper" box..
    yea thinking its 90% this ^^ and if not its going to the dealer....yea i know bitch move BUT i cant explain to you guys how much i hate ac crap, it just doesnt work with me, i rather rebuild the whole drive line then mess with any ac shit

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    Smiles for 9.5 Years cammed goat's Avatar
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    I'm sure someone here will be able to talk you through the repair process.

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    Quote Originally Posted by cammed goat View Post
    I'm sure someone here will be able to talk you through the repair process.
    true....just have to fine WTF is the problem first and then post it up and take it from there

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    King 0f n00bz shady milkman's Avatar
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    Quote Originally Posted by Smittro View Post
    Check the vaccume block located near the BCM up under the passenger dash kick panel near the glove box bucket.. it's round with multi colored hoses comming out of it.. Check connections and for dryrot. There could also be an obstruction in the "flapper" box..
    good call

  5. #25
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    Quote Originally Posted by shady milkman View Post
    good call
    guess steve gets the heads.....so sad .....most likely hes doesnt know what to do with them so he might give then to you hahaha

    have to see if i can check that out tomorrow....should have been cable like back in the day

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    Quote Originally Posted by Blackbird-WS6 View Post
    guess steve gets the heads.....so sad .....most likely hes doesnt know what to do with them so he might give then to you hahaha

    have to see if i can check that out tomorrow....should have been cable like back in the day
    lol..i just thought i would offer that possibility as most people mess it up after intake installs and over time gets pushed off the fitting

  7. #27
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    Quote Originally Posted by shady milkman View Post
    lol..i just thought i would offer that possibility as most people mess it up after intake installs and over time gets pushed off the fitting
    true dat....i need to look at that to, just dont think it fell off with me just moving the car around from the last time the ac worked BUT none the less it could be the problem

  8. #28
    Moderator Cutlass's Avatar
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    maybe a critter chewed off that vacuum line under the hood

  9. #29
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    Quote Originally Posted by Cutlass View Post
    maybe a critter chewed off that vacuum line under the hood

    dont think so seeing as the car is always in the garage....and the line your talking about is the one behind the manifold?

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    Moderator Cutlass's Avatar
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    yeah it connects to the back of the intake and runs to the passenger near the PCM

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    Quote Originally Posted by Cutlass View Post
    yeah it connects to the back of the intake and runs to the passenger near the PCM
    ok...NOW if this line was not hooked up what would happen?

  12. #32
    Moderator Cutlass's Avatar
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    If the vacuum line was disconnected, you won't be able to switch the airflow modes from floor to dash to defrost. you can still change the temp from hot to cold since that runs off a old school cable.

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    Quote Originally Posted by Cutlass View Post
    If the vacuum line was disconnected, you won't be able to switch the airflow modes from floor to dash to defrost. you can still change the temp from hot to cold since that runs off a old school cable.
    ok would air still come out of the all the vents tho? or would it just leave the all open?

    see my problem is only with the 5 main front vents....idk lol im so fucking up right now over this shit lol

  14. #34
    Moderator Cutlass's Avatar
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    I'll keep it simple. Your symptoms sound exactly like the vacuum line is disconnected.

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    Quote Originally Posted by Cutlass View Post
    I'll keep it simple. Your symptoms sound exactly like the vacuum line is disconnected.
    hahahahahaha thanks....this is going to be fun trying to fine it is or not...any tips?? i have a FAST intake

  16. #36
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    ok so i fucked around with it today and didnt get anywhere what so ever lol

    when the 5 main (5 on the dash facing you) vents work, all the other vents are not blowing air soooo im guessing that means its working for that time being the right way

    99.99% of the time all the other vents are blwoing air (doesnt matter the setting) they all blow air BUT the 5 main dont and thats when its NOT working right

    the 5 main vents work when they want lol i have looked at everything i could and could not fine anything wrong

    does anyone has a pic or how-to for the line that goes in back of the manifold?? and if that was out would if do what its doing OR would the vents not work at all??

  17. #37
    Smiles for 9.5 Years cammed goat's Avatar
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    Did you check to see if there were any other lines which were disconnected?

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    Quote Originally Posted by cammed goat View Post
    Did you check to see if there were any other lines which were disconnected?
    yep everything is connected....they work ONLY when they want lol

    im at a lost right now, might just being it to the dealer BUT my car is all built, dont think there going to want to touch it

  19. #39
    Smiles for 9.5 Years cammed goat's Avatar
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    Most likely they won't. I know on my car, the knob can be set to have air blown at your face, face and feet, feet, defog. Trying to remember what the 4th gens settings are.

  20. #40
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    Quote Originally Posted by cammed goat View Post
    Most likely they won't. I know on my car, the knob can be set to have air blown at your face, face and feet, feet, defog. Trying to remember what the 4th gens settings are.
    yep the same with the 4th gen setting.....NOW when the main vents are not working its doesnt matter what setting i put it on, air comes out of all the vents BUT the main ones, when this happens the only thing i can control is the ac on or off,

    when it does work, god willing, the main vents work BUT if i go change the setting then it gets all fucked up again (i think) and when that happens all the vents will start blowing air BUT the main ones lol
    Last edited by Blackbird WS6; 10-16-2010 at 08:33 PM.

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