air conditioner

  1. M

    2015 Yukon XL Air Condition Issue

    Hello all, I am seeking some help diagnosing an issue with my truck. At the end of last summer, I ran into an issue where the fan behind my condenser stopped working, causing my AC to stop blowing cold air. I have replaced the engine coolant temperature sensor, thermostat, AC compressor...
  2. BigRedTahoe

    Diagnosing Weird A/C Issue -- Mode Door? Blend Door?

    Hey guys, I've got a 2001 Tahoe LS with A/C that hasn't worked since I bought it back in November. As it warms up, I'm trying again to diagnose it and coming up empty. Confirmed that it has refrigerant, and when I turn on the A/C the compressor lines themselves get ice cold. However that cold...
  3. 2019YukonXLowner

    Air conditioning is so loud!

    I have a 2019 Yukon XL Denali and even when it is on low & not auto, the fan runs so loud. Sometimes I have to turn the air off just to have a bit of quiet. Anyone else notice this &/or have a fix? Thanks!
  4. J

    2015 Tahoe LTZ/Electronic and AC shut off randomly.

    My 2015 tahoe LTZ AC and electronics shut off and turns back on randomly while I'm driving. It only last for less than a second but it got me worried that something is wrong. The first message that pops up on my dash says "parking assist off" but then it disappears since its actually on. My...
  5. D

    AC blows hot

    Need help getting AC COLDER. 2007 Tahoe 5.3l, 140k. AC blows 75-80deg F and 60-65deg F on recirc. Brand new Denso OEM compressor, low PSI 45-50/ high psi 225-250, installed cabin air filter kit. The recirc door moves perfect and the Hot/Cold controls seem to be working correctly and evenly on...
  6. PNWYukon

    AC leak test options?

    The AC has been out for a while and we had the schrader valves replaced, which did nothing. Can anyone recommend a way to locate the leak in the system aside from going to a shop?

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