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AC Recharge

Discussion in '1st Gen. Tacomas (1995-2004)' started by saweetlou, May 27, 2010.

  1. May 27, 2010 at 5:35 AM
    #1
    saweetlou

    saweetlou [OP] Well-Known Member

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    I found this guy on craigslist doing charges for 40 bucks, my trucks AC isn't working all that well. Long story short this guy fills my AC and its not very cold so he releases some R12 into the air and puts another can in and still not very cold, all the while I have the truck revving 2 grand, now it was pretty hot here yesterday in T.O. so understandably my temp started to rise. The guy gets a little freaked and says you better get someone to check it out. Anyways he charges me 20 bucks. I drive away the temp goes down and the AC get colder and colder, makes perfect sense to me why this happened, just needed air flow to get things moving. My question is I think he put too much R12 in, his gauge was showing boarder line red, can anything get damaged by having too much R12 in it.
     
  2. May 27, 2010 at 5:41 AM
    #2
    KenpachiZaraki

    KenpachiZaraki Its Wicked Flow BITCHES!!

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    Umm I think we use r134a in our trucks. R12 hasn't been used since like the 80s. Besides to do ac service, you have to be certified to do that, anyone can recharge then you overcharge your system and then blow out you orings, then its more expensive in the end. Do it right and have a professional look at it.
     
  3. May 27, 2010 at 5:56 AM
    #3
    07trd4x4

    07trd4x4 Well-Known Member

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    You cant buy do it your self ac recharging kits at kargen! Saw one the other day. Can remember the name of the poduct off hand
     
  4. May 27, 2010 at 6:06 AM
    #4
    saweetlou

    saweetlou [OP] Well-Known Member

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    My Bad R134a is what he used, So it will blow out the O rings with too much pressure.
     
  5. May 27, 2010 at 6:24 AM
    #5
    KenpachiZaraki

    KenpachiZaraki Its Wicked Flow BITCHES!!

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    Yup and replacing them isn't too bad, but time it will take to do it, plus labor charge, it will come out more expensive. There are recharge kits at auto parts stores, but you have to keep in mind that you have to know the capacity of the ac system, some kits already come with a hose and pressure gauge, but if you put the right amount in, and still getting warm air, you have another problem. Its just safer to have some one look at it who's not gonna blow up your compressor.
     
  6. May 27, 2010 at 6:32 AM
    #6
    saweetlou

    saweetlou [OP] Well-Known Member

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    Which O rings are we talking about, the ones on the canister where the 2 lines connect behind the front grill
     
  7. May 27, 2010 at 7:16 AM
    #7
    chmura

    chmura Well-Known Member

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    Did he vacuum out the entire system??

    The proper way to recharge a system when the AC is not working is that you need a pump to evac the entire system. Hold the system under negative pressure for 10+ minutes and see if it changes, if it changes you have a leak. This is a fundamental start.. Did you put oil in the system? You are suppose to add little amount of oil in the system also Overcharging is bad it can blow the seals in the compressor pump and in the lines causing a headache to find out where the leaks are..
     
  8. May 27, 2010 at 3:48 PM
    #8
    KenpachiZaraki

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    Exactly, theres a proper way of doing it, and any monkey can charge a system. I have people come in and buy a can of r134a and put it in right out in the parking lot. we can't help either, nor can we tell people how to put it in. If you or someone else screws it up, its on you. Like I said before, take it some place thats certified and avoid a headache all together. my .02
     
  9. May 27, 2010 at 4:10 PM
    #9
    BradleyScottETC

    BradleyScottETC Class IV Category 8 Elite VIP Member (Only)

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    Overcharging a system decreases capacity and raises pressure, putting stress on the compressor and diminishing the systems ability to reject heat. If you pull a system into a vacuum that has a leak without FIRST checking for a leak you will pull air and moisture into your system that will ALSO damage it. It is bad practice to check for leaks by pulling a vacuum. I suggest charging the system properly with R-134a and testing possible leak points (hose connections and joints) with soap-bubble leak-reactant you can purchase at any hardware store.

    More than likely, performing any maintenance aside from changing your cabin filter and keeping your condenser coil clean is a terrible idea if you have no experience or knowledge.

    Also, releasing R-134a into the atmosphere like this guy did is also against the law, and you can be fined up to $25,000 for doing so.
     
  10. May 27, 2010 at 4:33 PM
    #10
    BakoTruck

    BakoTruck Well-Known Member

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    When should you have it recharged anyways? Like every 4-5 years or what, or when it doesn't fell as cold?
     
  11. May 27, 2010 at 4:58 PM
    #11
    Manlaan

    Manlaan Well-Known Member

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    Its a closed system, like your refrigerator. Ideally, it should never need to be recharged. Things bouncing around like they tend to in an automobile will cause some leaks though, as to why the above mentioned negative pressure test should be preformed before just refilling it.

    Generally, if its cold enough for you, its fine. If its not (and things are working), you've lost some freon along the way and need your system properly checked so you aren't just dumping it in the air.
     
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