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Higher AC pressure with window cracked?

Discussion in '2nd Gen. Tacomas (2005-2015)' started by sook, Apr 17, 2011.

  1. Apr 17, 2011 at 3:34 PM
    #1
    sook

    sook [OP] Well-Known Member

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    Avid Offroad light bar, Steelcraft step bars, Extang Revolution tonno, TRD black chrome headlights, 09 LED tails, all window tint, OEM DTRL w/ GM shorty bulbs, tailgate hose clamp, fighter pilot with red cold-cathode, Pioneer AVH-4300BT
    I searched and didn't find anything. Could mean this is normal or it could mean that this iPad app doesn't search properly.

    I've noticed that regardless of the settings on the AC, if I crack any of the windows the slightest amount, the AC pressure/blower increases a large amount. Is that normal? Or does it mean that some vents somewhere are clogged or closed? Also, if the AC is off when I close the doors and then turn the AC on, I can feel the pressure change in the cab.

    Thanks
     
  2. Apr 17, 2011 at 3:41 PM
    #2
    supralight

    supralight Well-Known Member

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    mine does it also. Stronger when windoes are cracked/door opened, but not by much. But definatly audible.

    I would say a ''large amount'' like you say, though.
     
  3. Apr 17, 2011 at 5:20 PM
    #3
    Superx2

    Superx2 Well-Known Member

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    think of it kinda like a furnace. you have to (with a furnace) have the same air coming in (RA return air) as you have air going out (SA supply air) does that make sense? more air coming in is always gonna be better...more efficient.
     
  4. Apr 17, 2011 at 6:25 PM
    #4
    olgzr

    olgzr Well-Known Member

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    I've noticed a similar thing when I push the recirculate button on and off. I can feel the pressure increase when I turn the recirculate off. I assumed that the vent that the air goes out needs to be larger.
     
  5. Apr 17, 2011 at 10:04 PM
    #5
    JKD

    JKD Well-Known Member

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    I have wondered if my cabin vent is stuck shut. To get a good look at it, I think I'd either need to remove the rear seat back assembly, or pull the bed of the truck...one of the two.
     
  6. Apr 17, 2011 at 10:07 PM
    #6
    ktmrider

    ktmrider Senior Member

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    I dont get this cause in the manual it says for max AC put it on high and turn on the recirculate
     
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