Phil and Greg's AC Party - Page 3

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  1. #21
    CelicaSupra.com Member zank's Avatar
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    Quote Originally Posted by Malloy View Post
    Looking good...mk2 with ac = livin large.

    ps. Im saving this for a rainy day
    http://img.photobucket.com/albums/10...8/IMG_1113.jpg
    You have no idea how many quotes ran through my head when i first saw that picture
    85 Starfire Pearl 6MGE 5spd
    85 Jet Black 7MGTE 5spd

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  3. #22
    CelicaSupra.com Member Solo1Supra's Avatar
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    Quote Originally Posted by SilverMk2 View Post
    Did you guys have any problems with installing yours? I must have got a complete lemon on mine. Most of the lines didn't fit, etc.
    With the installs I did, some tweaking of the lines was necessary, but nothing major. The 2 upper condensor brackets needed alittle coaxing as well.
    Joe B.
    '85 P-Type
    '89 MK III

  4. #23
    Boosting Mod SilverMk2's Avatar
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    That stuff is obvious. The fabricated line in front of the radiator support the brazed fittings were warped and don't fit together with the lines. The low pressure hose that came out of the firewall was 2-3" too long and kinked when installed. I reused the stock there, but the other one I need to go and get a new line made. The compressor is also extremely difficult to install without the edge to support the compressor like the stock bracket.

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  6. #24
    CelicaSupra.com Member Solo1Supra's Avatar
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    An extra set of hands definately comes in handy when installing the compressor.
    Doing it solo sucks, been there done that.
    I start the top 2 bolts, just to support it, then the lower 2 bolts, slip in the washers/spacers, take out the top 2, slide in spacers, tighten up, done.
    Hardest part on the first install I did was, no pics on how the brackets went.
    Alot of trial and error there till I got it figured out.
    I didn't have any problem with the line out of the firewall being that long.
    Joe B.
    '85 P-Type
    '89 MK III

  7. #25
    CelicaSupra.com Member jdk_ii's Avatar
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    PhilG just emailed me.

    Looks like it was a good time. The evaporator is a pill. If I ever replace one again,
    I'm just going to additionally remove the upper dash panel, plus give all the duct work a cleaning.

    40-45F at the vents is a good range. I've seen ~40F on mine at idle.
    Recirc ON, next to highest fan speed, front electric fan on, 80F outside ambient.

    When driving, there's more air exchange as well as the compressor is pumping more.
    I recall mine hit 36/37F. BruceM noted as close to 32F on one of his
    several status calls to me.

    Greg - nice job on cleaning your evaporator.

    Compressor Brackets - I used some hold down belts to position it. Still sucked.
    Best to have a friend handy, as it will make short time of the install.

    Aaron - shoot me an email on what you are having trouble with.
    I have heard a few found the evap to EPR hose too long. Other's did not.
    I did line them up once I got them, and none appeared too long.
    Though I suspect the hose line is rather hard, and a 1/4" variance might
    create the situation you encountered.

    Leaving it uncharged - certainly it's a good idea to get it charged in a reasonable time frame once installed.
    Since Phil keeps his whip stored, he should be ok.

    I concur. A few of these pics could have alternate captions.
    Jim
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  8. #26
    CelicaSupra.com Member Greg G's Avatar
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    Quote Originally Posted by Solo1Supra View Post
    Did you get pics of the mouse hole in your blower fan?
    I only wish they choked on the plastic and died.... but gratefully not while in the blower housing.





    Greg
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  9. #27
    CelicaSupra.com Member Greg G's Avatar
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    So while it reached 72F today (I know... hardly AC weather), I wanted to further test the system.

    I let the car idle in my driveway with the compressor running for approx 20-25miins. Steady 40F blowing thru the vents. At roughly the 25min point, I snapped these pix of the suction lines with a slight frosty coating at the compressor and just forward of the radiator support. Does this suggest freezing up? I ask because the vent temp crept up to 45-48 F. I dont think the Evaporator was freezing because the suction line at the firewall was merely "sweating".

    All pix taken approx same time...











    Last edited by Greg G; 11-24-2014 at 09:18 PM. Reason: fixing photos
    Greg
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  10. #28
    CelicaSupra.com Member Greg G's Avatar
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    Quote Originally Posted by SilverMk2 View Post
    That stuff is obvious. The fabricated line in front of the radiator support the brazed fittings were warped and don't fit together with the lines. The low pressure hose that came out of the firewall was 2-3" too long and kinked when installed. I reused the stock there, but the other one I need to go and get a new line made. The compressor is also extremely difficult to install without the edge to support the compressor like the stock bracket.
    Aaron.... not gonna say these arent legitimate problems, only that I didnt have any of these issues. My brazing was nice and neat.

    Yours is a 7M application right? Perhaps that amplifies the hose tolerance issues and makes the compressor mounting more difficult?
    Greg
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  11. #29
    CelicaSupra.com Member williamb82's Avatar
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    so how bad was changing the condensor and expansion valve behind the dash? i have a brand new mk2 compressor and new toyota hoses coming off it an plan to buy a new heater core, expansion valve, and evaporator and drier and get my 84 7mgte going with real r12 like it was designed for. ill be replacing all o rings and all shrader valves as well just to be safe. just wondering as i am thinking of buyin the rest of the stuff as soon as my tax rebate gets here.
    william
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  12. #30
    CelicaSupra.com Member Greg G's Avatar
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    Hey William... the condensor is pretty easy. Joe suggested we pull the hood latch and header reinforcement bracket rather than drop the radiator. I think that made things a little easier.

    But the Evaporator is a pain in the ass no matter what you do. Seems like everything gets removed from the dash and center console to get it out. On the bright side, I think its a terrible mistake to NOT yank the evaporator when redoing the AC system. After seeing the crap clung to both ours, I doubt it wld ever cool if we didnt clean them out. My sure most all mk2's wld look similar by now.

    Whats the going rate for R12 anyways these days?
    Greg
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