Thread: Got pictures for my vacuum line where does it go

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  1. #1 Got pictures for my vacuum line where does it go 
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    Where does this vacuum line go? It is the middle on on the T that wraps around the engine bay towards the battery. Here are some pictures.

    vacuum line GTP pics pictures from cars photos on webshots


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    2000 Pontiac Grand Prix GTP

    I love my 5.0, but a little civilized muscle is a good thing! Especially when it always runs and doesn't leave you stranded on the highway.....
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  2. #2 Re: Got pictures for my vacuum line where does it go 
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    A member told me something about this line, but my question is where do I attach it? Thanks for any and all help
    2000 Pontiac Grand Prix GTP

    I love my 5.0, but a little civilized muscle is a good thing! Especially when it always runs and doesn't leave you stranded on the highway.....
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  3. #3 Re: Got pictures for my vacuum line where does it go 
    GTP Level Member QwikGT's Avatar
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    that is so your HVAC will work, i would fix that asap, it goes down the firewall to inside the car
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  4. #4 Re: Got pictures for my vacuum line where does it go 
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    anybody have a picture of where it goes into or comes out of the firewall?
    2000 Pontiac Grand Prix GTP

    I love my 5.0, but a little civilized muscle is a good thing! Especially when it always runs and doesn't leave you stranded on the highway.....
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  5. #5 Re: Got pictures for my vacuum line where does it go 
    GTX Level Member DanGTP's Avatar
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    It goes through the firewall with the rest of the wires from the fuse block. It's near the bottom of the firewall on the passenger side. You can see it fairly easily from below the car if necessary.
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    '97 GTP: 9.5:1 Diamonds, P&P Everything, XP, SSIC, GenV, Shiny Headers, 3.29's, HPTuners, E85
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  6. #6 Re: Got pictures for my vacuum line where does it go 
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    ok thanks Ill try and figure out what it connects onto now that i know where it leads. Im probably going to have to end up running a new wire.
    2000 Pontiac Grand Prix GTP

    I love my 5.0, but a little civilized muscle is a good thing! Especially when it always runs and doesn't leave you stranded on the highway.....
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  7. #7 Re: Got pictures for my vacuum line where does it go 
    GTX Level Member DanGTP's Avatar
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    The line you are holding in the pictures runs into a check valve with 2 outlets right behind the battery on the front side of the fender well. At the split, one line runs along side the wires coming out of the fuse block and into the cabin to the heater controls and the other around the nose of the car and to a vacuum reservoir behind the driver's side fog light. At least that how it is on my '97. Since it's newer, yours may only run through a check valve and directly to the heater controls. I modified mine to work in that way since the line that ran around to the reservoir was split and I didn't feel like running fresh line all the way over there.
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    '97 GTP: 9.5:1 Diamonds, P&P Everything, XP, SSIC, GenV, Shiny Headers, 3.29's, HPTuners, E85
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  8. #8 Re: Got pictures for my vacuum line where does it go 
    GrandPrix Junkie Sabrewings's Avatar
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    It should still have a vacuum canister if the HVAC is vacuum operated. That way you can operate the HVAC while under boost.
    2004 Impala LS - got some mods sold!!!
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  9. #9 Re: Got pictures for my vacuum line where does it go 
    GTX Level Member DanGTP's Avatar
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    Operating the HVAC while under boost..... That just sounds like trouble. I suppose what I did can be considered a safety feature?
    ~
    '97 GTP: 9.5:1 Diamonds, P&P Everything, XP, SSIC, GenV, Shiny Headers, 3.29's, HPTuners, E85
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  10. #10 Re: Got pictures for my vacuum line where does it go 
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    Ok thanks for all the help guys. This gives me everything i need to know
    2000 Pontiac Grand Prix GTP

    I love my 5.0, but a little civilized muscle is a good thing! Especially when it always runs and doesn't leave you stranded on the highway.....
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