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Thread: 89 GT A/C Advice

  1. #1
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    89 GT A/C Advice

    In order to pull the engine on my 89 GT, I'll have to discharge the A/C refrigerant and plug the lines to the compressor. I had it retrofit to 134A a few years ago. I'm a fair mechanic, but have never fooled with A/C. The Ford service manual was written for the old style system and was not much help.
    I've been wanting to buy the equipment to recharge the system myself anyways. Would this equipment discharge the system? Any recommendations as to equipment or on-line tech help? Thanks.

  2. #2
    Senior Member Dan B.'s Avatar
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    Just set the stuff to the side. You don't have to break the system open.
    Quote Originally Posted by John4cam View Post
    Ahh fuque
    1985 Ranger--2WD, basic bolt-ons and tires, 11.92 @ 111mph.

    1986 Ranger--2WD, 5.0/T5/8.8.

  3. #3
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    It looks like two rigid lines run from the firewall to the compressor. Seems like it would be best to get these out of the way. The system needs recharged anyways, so I think I'd prefer to get them out of the way.

  4. #4
    Squiggles.......... Erics89GT's Avatar
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    just eliminate the ac.....less weight more power plus looks cleaner
    Daily: 2007 Ford Fusion SE

    1991 LX 5.0 5speed- lowered, mach1 wheels, trickflow intake, boss inc style pro cowl hood, 3.73s

  5. #5
    Will Work For Car Parts Terminated's Avatar
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    Quote Originally Posted by Erics89GT View Post
    just eliminate the ac.....less weight more power plus looks cleaner
    x11ty billion
    Dan -- 2003 Cobra DSG Coupe #6009

    If it looks good, you'll see it. If it sounds good, you'll hear it. If it's marketed right, you'll buy it. But if it's real, you'll feel it. IG: @donuttrump


  6. #6
    Member torqueboxer's Avatar
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    If you open up the system you gotta replace the air dryer if you want good performance ( it's the can that hangs behind the pass side valve cover). When it gets exposed to air the desiccant will soak up moisture and not work well anymore
    New combo going in 410w, tea225 high ports solid roller, novi2000, glens fuel system, pa
    Supercomp c4, some other things, hoping to run 10's...update 10.50@120 on 8 burned pistons...hoping to run 9's no cage in sight

  7. #7
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    Thanks for the tip. Could I vacuum out the system, remove the lines to the compressor and plug what's left to minimize moisture intrusion? I'm not sure how to capture the refrigerant though. Or is 134A safe to release into the atmosphere?

  8. #8
    Member torqueboxer's Avatar
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    You really don't have to open up the ac to pull he motor. If you want to keep the 134a then you need a vacuum pump/ manifold set/ empty refrigerant bottle. Depending on the size of the pump you buy it'll probably take 1/2-1 hour to evac he whole system I'd save the 300-500$ on he ac tools and put it toward some performance parts
    New combo going in 410w, tea225 high ports solid roller, novi2000, glens fuel system, pa
    Supercomp c4, some other things, hoping to run 10's...update 10.50@120 on 8 burned pistons...hoping to run 9's no cage in sight

  9. #9
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    Thanks Bud, I'll just leave it hooked up.

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