2005 S80 T6 AC always on
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    1. #1
      Junior Member
      Join Date
      Jan 2015
      Posts
      8

      2005 S80 T6 AC always on

      My 05 S80 T6 AC seems always on when the car is running, no matter "Auto", "A/C", "Fan" are on or not.

      For example, I have "Auto" off, "A/C" off, "Fan" all the way to zero, there is always some cold/warm air coming out of the vent. I can even use 2 temperature knobs to control the air temperature just like "A/C" is switched on. If I turn the fan speed up, more cold/warm air coming out, but I cannot turn it fully off.

      Another thing I noticed is when I am on freeway, speed is high, there seems more cold/warm (cold/warm depends on temperature knob settings) air coming out from the vent.

      Any suggestions? What should I check? Thank you.

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    3. #2
      Do you hear the A/C compressor turning on and off? Or you've only noticed that a little bit of air is lways coming out of the vents?
      S80 T6 2001 IPD Tune w/torque delete, Ferrita Dual 2.5" DP/CB 3" exhaust, Volvo Tranny cooler, Bilstein HD's, H&R Springs, IPD Anti-swaybars, IPD End-links, IPD Skid Plate, AEM Water/Methanol kit, IPD Lower Tranny Mount, Ultra Racing Front & Rear Strut Tower Braces, and Front and Rear undercarriage braces, Heico Front Spoilers, 17x8 R Pegs, R Calipers and Rotors, Front Girodisc, 5 & 10 mm H&R spacers, etc...

    4. #3
      Junior Member
      Join Date
      Jan 2015
      Posts
      8
      Quote Originally Posted by SkyWriter View Post
      Do you hear the A/C compressor turning on and off? Or you've only noticed that a little bit of air is lways coming out of the vents?
      Sorry, how/when do I hear A/C compressor turning on/off? Thank you.

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