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2010 Air Conditioner

Discussion in '2nd Gen. Tacomas (2005-2015)' started by MT Madman, Aug 5, 2010.

  1. Aug 5, 2010 at 3:52 PM
    #1
    MT Madman

    MT Madman [OP] Senior Citizen

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    I'm not happy with the A/C in my truck, when I'm cruising along at 70 - 80 the output air cycles between cold and cool when I have the recirculate on like the compressor is kicking in on out. I've had it to the dealer and they say everything is OK but I'm not so sure, of all the vehicles I've own they've never done this unless the system was low on freon. Do any of you have this issue or know if it's actually normal?
     
  2. Aug 5, 2010 at 4:53 PM
    #2
    upflying

    upflying Well-Known Member

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    I only know a little about a lot of things so my answer may be wrong. But at 80 mph, you are using a fair amount of throttle. The microprocessor in the PCM senses the need for power and cuts out the compressor to compensate. Many cars and trucks are engineered to cut the AC off during WOT.
     
  3. Aug 5, 2010 at 4:58 PM
    #3
    84Hilux

    84Hilux Well-Known Member

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    Mine does it too. I asked the dealer and they said it is normal.
     
  4. Aug 5, 2010 at 5:00 PM
    #4
    Juggernaut

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    I also thought this was weird at first but newer cars do this to prevent ice build up over the coils. If it was 115*F outside it would not cycle, if its 80*F it cycles more often. It is normal for our trucks, the AC system is sized to large for normal summer heat :)
     
  5. Aug 5, 2010 at 9:09 PM
    #5
    ChompsterTacoma

    ChompsterTacoma Well-Known Member

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    My 2010 does the same shit. I still sweat even when the ac is on with temperature outside is just under 100. Still scratching my head why my 1995 beat up camry ac is sooo much colder.
     
  6. Aug 5, 2010 at 9:12 PM
    #6
    ppham444

    ppham444 Well-Known Member

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    Try turning the fan speed knob to HIGH.
     
  7. Aug 5, 2010 at 9:30 PM
    #7
    RogueLeader

    RogueLeader Well-Known Member

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    For max cold, I have to have the vents set at dash. If I set the vents for dash/floor, it doesn't get near as cold. In fact, even in temps over 100, I have to turn the fan speed from 3 to 2 after driving the truck enough for the a/c to blow cold air.
     
  8. Aug 5, 2010 at 9:37 PM
    #8
    BlazeTaco

    BlazeTaco Well-Known Member

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    The older systems have R12 refrigerant which does get colder, But for air conditioning in cars having electric cooling fans is always better than mech ones. The compressor on my Taco doesn't cycle though when its 100 degrees out, it stays on basicly the whole time. That temp works any ac unit pretty hard.
     
  9. Aug 5, 2010 at 9:43 PM
    #9
    REVHARD25

    REVHARD25 Well-Known Member

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    you guys need to move ...you live in a place thats too hot if you really need the ac at 80 mph:D
     
  10. Aug 6, 2010 at 5:51 AM
    #10
    knayrb

    knayrb Well-Known Member

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    I've noticed that in mine. When my vent in directed at my hand on the steering wheel I feel the air get cold and then not so cold then back to cold again and again. The average temp in the truck is just fine. It's been 90-100 here lately and I'm cool in the truck.

    I do have to take it in for a fix on the fan. It chirps/squeaks on the low setting after being on for 1/2 hour.
     
  11. Aug 6, 2010 at 2:54 PM
    #11
    MT Madman

    MT Madman [OP] Senior Citizen

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    I was called by someone checking with me on my last visit for service, the first and then only question was if I was happy with the service I got. She said she'd let the dealer know about it and today they called me so I explained it to the service manager and he's going to drive a Taco and see if he notices it and get back with me. I'll keep ya posted.
     
  12. Aug 6, 2010 at 3:05 PM
    #12
    BradleyScottETC

    BradleyScottETC Class IV Category 8 Elite VIP Member (Only)

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    Uh, no.

    [​IMG]

    R-12 does not "get colder".

    Also, electric fans are considered beneficial because they don't rely on the serpentine belt to turn, so it's not a load on the engine.
     
  13. Aug 6, 2010 at 3:10 PM
    #13
    GT150

    GT150 Well-Known Member

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    Mine is ice cold............I have to turn my temp knob up sometime because I'm being frozen to death.
     
  14. Aug 6, 2010 at 3:14 PM
    #14
    Mark350

    Mark350 Well-Known Member

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    Mine does the job but it's definately not an ice box in the cabin or anything
     
  15. Aug 6, 2010 at 3:21 PM
    #15
    fubar718

    fubar718 Well-Known Member

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    outside humidity level has a significant effect on ac performance. the other guy was correct at higher throttle the computer does shut the compressor off to give the car more power.
     
  16. Aug 6, 2010 at 3:26 PM
    #16
    Azjohn

    Azjohn Well-Known Member

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    Ice cold here in Arizona.
     
  17. Aug 6, 2010 at 3:29 PM
    #17
    MT Madman

    MT Madman [OP] Senior Citizen

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    Cruisin' at 70 with minor rolling hills? I could see that if the tranny had to drop out of OD or something, no this is rolling along at 70 on basically flat land.
     
  18. Aug 6, 2010 at 4:38 PM
    #18
    jassco

    jassco Well-Known Member

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    I only use outside air for first minute then switch to recirculate and it stays pretty nice on low fan. On the hottest days it seems to do better at just above max and recirculate on. The temp sensor in the front can also effect the A/C as it uses it for efficiency.
     
  19. Aug 6, 2010 at 4:41 PM
    #19
    ::childstoy::

    ::childstoy:: Hi-Tech Rednek

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    My shit is freezing me out here in this PA heat wave... :D
     
  20. Aug 6, 2010 at 5:02 PM
    #20
    Isthatahemi

    Isthatahemi Well-Known Member

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    I just did a huge trip, part of it across AZ. The AC compressor only seemed to cut out at higher rpm, at full throttle, never at part throttle, and never in OD. I also found the best way to get it cool was to drive with a heavy foot, rpms up a little..... gets the compressor turning, and air over the rad. I did notice that the temperature from the vents did fluctuate, but not a lot.
     
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