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2002 Kia Sedona EX 4dr Auto

2002 Kia Sedona
Trim Info:
Front Wheel Drive, 4 Door EX, 2WD Minivan
15 mpg city / 20 mpg hwy
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August 2, 2012, 12:30 pm

Jennifer K

Question: Do I need a new compressor?

I have a 2007 Kia Sedona. Yesterday the air was blowing very warm air, it 94 outside here. There is also a hissing noise, that sounds to be coming from the dash board. I took it to get charged today and with the ac running full blast the psi for low pressure was 50-55(which I was told is the max it should be) and the psi on the high side was 50. I was told it could not hold any addition refrigerant. You can look in and see the compressor spinning and if you turn the ac button off, it stops spinning. I was told the compressor needs replaced (by a friend who can fix some car problems, but upon googling, I am getting conflicting information. Hoping for some good news here.

August 8, 2012, 6:46 pm

Richard W
Expert Mechanic

You could need a compressor. But the psi reading and the temp out side don't add up. Low side psi should be 30 to 50psi. And the high side should be 150-250psi. When it is 95 outside and the A/C is off the psi should read 95psi. So it's hard to say what you need. with out more tests.

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