Vacuum lines on passenger side - who goes where?

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  1. #1
    Boost-a-holic Malibyte's Avatar
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    Vacuum lines on passenger side - who goes where?

    Hi all -

    I'm in the process of repairing some minor damage to the '84 after a brief under-the-hood car-be-que at the Vegas meet last year. The vacuum lines on the passenger side near the washer reservoir all got cooked and I need to know where they are all supposed to connect up. Can anyone tell me, or point me toward a page in the TSRM that has a diagram? I looked but couldn't find one.

    TIA!
    '84P 5-speed - 2JZ-GTE, PT 6265 turbo, R154, 3.58 - 465 rwhp @17 psi
    '85P 5-speed - 5M-GE - BPUs - otherwise unmolested

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  3. #2
    CelicaSupra.com Member Khlause's Avatar
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    I took photos of my 86 car that's presently dismantled for an engine swap, and minor fixes to various systems. I cannot promise you that the 85-86 is identical, but it's the easiest for me to photo right now.

    https://imgur.com/a/jbwUuPZ

    I have attempted to post photos for you but nothing appears to be working in a timely manner so I just provided a link to the photos on imagur.

    There is a single hose that's in picture 1 that leads nowhere, this one goes to the engine manifold.

    The rest can be viewed in the following pictures 2 and 3 in better detail.

    These lines are for the HVAC system, and are fed by that single line.

  4. #3
    Boost-a-holic Malibyte's Avatar
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    Thanks, Khlause! Very much appreciated!! I'm pretty sure that there wouldn't be a significant difference between the '84 and '85 when it comes to these lines.

    Bob
    '84P 5-speed - 2JZ-GTE, PT 6265 turbo, R154, 3.58 - 465 rwhp @17 psi
    '85P 5-speed - 5M-GE - BPUs - otherwise unmolested

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  6. #4
    CelicaSupra.com Member Khlause's Avatar
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    Glad that worked for you, hope that your fire repairs go well. Make sure to re-do the seam sealer in that area on both sides.. Pull the fenders and the hood / grill behind the hood and there is a seam where the sealer fails and cracks over time (under the hinges) check for rust and then do what you can to eliminate.. (what I am doing right now), and re-seal. That seam runs down toward the ground also, just forward of the door and can also be failed and rusting..

    There is also the seam inside the wiper mechanical compartment, that's the weld between the fireall and that wiper mechanical area where the flange (joint) is spot welded together. Rust can form in that (its a real ass to get at) Some of that spay rust killing paint is the best option in this location.

  7. #5
    CelicaSupra.com Member SupraFiend's Avatar
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    Hey Bob. Those hoses bridge multiple systems so there isn't one single vacume diagram I believe. Heres the AC/heat one...

    http://www.cygnusx1.net/Supra/Librar...ection=AC&P=16

    System components for reading that diagram...

    http://www.cygnusx1.net/Supra/Librar...ection=AC&P=22

    And the charcoal canister is down there too so the Evap system diagram is important...
    http://www.cygnusx1.net/Supra/Librar...Section=EC&P=5

    Whatever is on your hood might help too.
    Black 86 mk2 Project Car
    New SDR 86 mk2 Daily User, Highway Cruiser AND Parking Lot Abuser in the works!

  8. #6
    Boost-a-holic Malibyte's Avatar
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    Thanks, Seamus!

    Those will help. Much appreciated!

    Bob
    '84P 5-speed - 2JZ-GTE, PT 6265 turbo, R154, 3.58 - 465 rwhp @17 psi
    '85P 5-speed - 5M-GE - BPUs - otherwise unmolested

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    CelicaSupra.com Member RedP85's Avatar
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    I did email pics at your rcs address, if still valid.
    -Jocelyn,
    P85-6MGE SDR(HKS kit c/w IC and F-Con in a box) 225KKm, NAL seats, 2.5 Brullen, ACT clutch, LJM, SS lines, Trip Computer. EuroH4
    P85-5MGE SDR had 439KKm (for 17 years my daily driver, RIP...), 2002 E39 ///M5 LMB Hidden Content
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  10. #8
    Boost-a-holic Malibyte's Avatar
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    Quote Originally Posted by RedP85 View Post
    I did email pics at your rcs address, if still valid.
    Hi, Jocelyn -
    Email address is still valid (I still get messages from the forum there), but did not get your email. Try it again, and if doesn't work a second time, I'll PM you another address to try. The spam filtering is pretty aggressive on my mail server, though almost all non-spam emails with pics do get through.

    Thanks -
    Bob

    P.S. - Seamus - the sticker under my hood is worn enough that it's pretty hard to read in places (the whole lower half!) LOL.
    '84P 5-speed - 2JZ-GTE, PT 6265 turbo, R154, 3.58 - 465 rwhp @17 psi
    '85P 5-speed - 5M-GE - BPUs - otherwise unmolested

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  11. #9
    Boost-a-holic Malibyte's Avatar
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    OK. I got everything hooked up, apparently correctly - but the heater isn't blowing hot. Fuse is OK as blower works. Haven't done the electrical test on the water valve yet. However...just wondering - regarding the 4-way connector near the center of the attached pic - do all four ports communicate with each other? I didn't have one of those oddball tees, so I used two three-way ones, so right now both of the hoses coming into what was that 4-port connector from the VSV do talk to each other and the vacuum ports on the firewall.

    Thanks!

    20190516_143103.jpg
    '84P 5-speed - 2JZ-GTE, PT 6265 turbo, R154, 3.58 - 465 rwhp @17 psi
    '85P 5-speed - 5M-GE - BPUs - otherwise unmolested

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  12. #10
    CelicaSupra.com Member '82supra's Avatar
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    Reversing a couple lines, particularly those connected to the water valve on firewall, might activate heater core flow.
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