1. Welcome to TRD Forums! A community for Toyota, Lexus, and Scion Enthusiasts. To enjoy all the benefits of the site, we invite you to signup.

DIY DIY: unlink defrost & A/C compressor

Discussion in 'Other DIY & Questions' started by 1337Rolla, Nov 14, 2008.

  1. Offline

    1337Rolla oh my

    Administrator
    Message Count:
    3,979
    Likes Received:
    31
    Trophy Points:
    748
    DIY: unlink defrost & A/C compressor

    I figured out how to do this but like most of my mods, it's a pain. You have to pull the hvac controls in the center of the dash, pull out the A/C button assembly, then seperate the plastic shell from the board/button part. You will see a sort of lever on the side of the assembly, this controls the on/off for the defrost A/C. Your choices are A) remove the button completely, or B) remove the contacts that make the switch work when it moves.

    I did option B, reassembled... now my defrost is totally independent of the air conditioning system, and if you want to use the defrost A/C function, just press the A/C button while the heater is on.

    Better gas mileage while defrosting ftw! :p
    1337Rolla, Nov 14, 2008
    #1
  2. Offline

    Ares Active Member

    Message Count:
    2,217
    Likes Received:
    3
    Trophy Points:
    38
    Location:
    Houston TX
    LOL. Invention runs on necessity...
    Ares, Nov 16, 2008
    #2
  3. Offline

    10R New Member

    Message Count:
    173
    Likes Received:
    0
    Trophy Points:
    18
    Why is the Defrost and AC connected in the first place?
    10R, Nov 16, 2008
    #3
  4. Offline

    SBUBandit New Member

    Message Count:
    84
    Likes Received:
    0
    Trophy Points:
    0
    because the ac also drys the air which helps defrost. i've considered doing this too, cause once its defrosted, just the air flow will keep it defrosted. What I do for now is once you have the windshield clear, turn the directional knob to the floor, enough air leaks out of the defrost vents when its aimed to the floor to keep it defrosted most of the time. Every once in a while you just need to defrost for a minute. I love when i get in friends cars and they just drive around all winter with it set to defrost. that burns gas like crazy.
    SBUBandit, Nov 16, 2008
    #4

Share This Page