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A/C help

Discussion in '1st Gen. Tacomas (1995-2004)' started by tacosuprem, Jun 5, 2010.

  1. Jun 5, 2010 at 7:21 PM
    #1
    tacosuprem

    tacosuprem [OP] Well-Known Member

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    hello everyone. I just bought a 1997 toyota tacoma. It has the 2.7 litre 4 cly ,5 speed ,4X4 ,reg cab. It also has 209,000 miles. Runs great!

    The A/c on the tacoma works, but it works only for a few days. i charged the system and it gets ice cold then looses its charge. i tried the dye test and did not see any dye anywhere. i used a black light, but nothing. has anyone else have this type of problem? i saw an a/c leak repair kit at walmart but didnt want to use it till i got more info. I love the truck! i just wish i can keep the a/c working more than 2-3 days. What do you guys think? i cant afford going to an a/c shop. Help florida is hot as he11. :confused::confused:
     
  2. Jun 5, 2010 at 7:41 PM
    #2
    NelsonTacoma

    NelsonTacoma This is my derpawayinator!!!!!

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    If you don't see any leaks in the engine compartment it's possible that you have a leak in the evaporator core. Did you try shining the black light through your a/c vents or around the evap drain tube? The walmart repair kit is only a band-aid and won't fix your problem. If worse comes to worse I would take it to a mechanic you trust and have them look at it.
     
  3. Jun 6, 2010 at 11:02 AM
    #3
    tacosuprem

    tacosuprem [OP] Well-Known Member

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    yes i did check the vents and the evap drain tube. does the evap tube suppose to have cool air blowing out of it?
     
  4. Jun 6, 2010 at 11:05 AM
    #4
    BradleyScottETC

    BradleyScottETC Class IV Category 8 Elite VIP Member (Only)

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    He means the actual evaporator coil. It is possible that you have a leak there. Also check your condenser coil as well. The UV leak check method isn't always the best way to locate a leak- you may have some hairline cracks in one or more of the rubber hoses that make up your line set that you wouldn't be able to see with the dye.

    Also know that introducing the dye into your system decreases it's efficiency. :/
     
  5. Jun 6, 2010 at 1:51 PM
    #5
    wolfgang123

    wolfgang123 Well-Known Member

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    same truck as mee!!!!! haha but my a/c compressor needs to be replace i have the same problem as you. no leaks and the system holds pressure but a/c only works for like a day.
     
  6. Jun 6, 2010 at 1:59 PM
    #6
    Maintenance Man

    Maintenance Man Well-Known Member

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    Try good ole soap and water on all visible A/C lines, if no bubbles, get a quote from a mech. I work on A/C's for homes, you just can't beat soap and water!
     
  7. Jun 6, 2010 at 2:02 PM
    #7
    Maintenance Man

    Maintenance Man Well-Known Member

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    Also, if you lose charge and can get your hands on some nitrogen, you can put around 90 p.s.i. of nitrogen in the system and sometimes you can hear the leak with the higher pressure of nitrogen. Nitrogen is safe, JUST DONT OVERCHARGE!
     
  8. Jun 6, 2010 at 2:57 PM
    #8
    NickJ*97756

    NickJ*97756 Well-Known Member

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    I had this same problem but i took it to a mechanic and it ended up being a leak in a hose in the air box, behing the glove box
     
  9. Jul 24, 2011 at 12:19 PM
    #9
    hc243102

    hc243102 Active Member

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    i got the same exact truck, same problem. did you ever find out what was up?
     
  10. Jul 27, 2011 at 1:42 PM
    #10
    Warhorse

    Warhorse New Member

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    same problem here, I lose charge in about 5 minutes, and Im getting a smell through my vents does anyone have advice for pulling the evap coil. oh by the way I read that stop leak makes all rubber components swell in a attempt to seal the leak so that cant be good.
     
  11. Jul 28, 2011 at 3:34 AM
    #11
    tacosuprem

    tacosuprem [OP] Well-Known Member

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    Hey guys,
    I did find the problem. I had a pinhole leak on the 1/2 aluminum pipe coming off the evaporator coil. I just used a piece of rubber like from a hose and put a pipe clamp on it. It has worked perfect. No leaks yet after a year.
     
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