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Look at the low-pressure line and see if has condensation...if you don't see condensation it could be low in refrigerant...make sure the compressor is turning on first
This vehicle uses AN EXPANSION VALVE and not an Orifice tube. That is why HVAC should be left to the professionals. If you are thinking that taking it apart is the answer, you are going to have to replace the oil, the Receiver dryer, the refrigerant .
For best result you may be better off evacuating the system for 30 minutes or more, shut off the vacum pump and wait for 15 minutes to see if the gauge needle goes up? if it does not then add 2-3 cans and make sure you stay between 25 to 45 PSI while compressor on.
it's either low (in spite of your readings) or your a/c clutch is not working correctly or you have too big an air gap in the clutch.
First, just disconnect the 2 pin connector from the a/c pressure cycling swithc and jumper the 2 pins with a wire to force the clutch to stay engaged. See if it blows cold then, and stays engaged. You can run this way for about 15 minutes before you have to pull the plug.
report reulsts.
the A/C system can have many problems first check at the compressor. look to see if when the air is on that the clutch on the compressor is spinning. if it is not try adding some refrigerant to the low side inlet. i would use the kind with the dye in it. if the system is completely empty you may need to put two cans in just to get the compressor to kick on. if you have two cans in and the compressor clutch is not spinning then you compressor is shot and will need to be replaced. if it is spinning it should be blowing cold. look for leaks in the lines leaks will be identified by the dye glowing usually green if no leaks are found you may have just lost refrigerant from normal usage. if that is the case add another can to top it off and enjoy. hope this helps
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What you are most likely hearing is the compressor kicking on/off. The constant kicking could be a sign that there's insufficient refrigerant to keep the compressor running continuously without shutting on/off. Eventually, the compressor won't kick on at all, a safety feature designed to prevent doing damage to a compressor that's undercharged. Have the AC system checked.
the clutch on the air compressor coil is proably burnt out. disconnect electrical plug at end of air compressor and supply current direct from battery to see if clutch engages, if it does not, change thecoil clutch switch.
Does the blower work when you turn off the A/C? If not, it sounds like either the blower motor, relay or blower switch took a poo! 06 Kia? Should still be under warranty.
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