Question about 2004 Kia Sedona
There are many common issues with the ac there is a thermostatic switch (thermistor) that goes bad it keeps the evaporator from freezing up and will interrupt compressor relay power. there is another common probwith the triple switch located on the reciever dryer. there are other problems but them are common there is also a tsb about charge capacity.
Posted on Jun 27, 2009
It may just need a charge of refrigerant and be checked for leaking
Posted on Jun 22, 2009
Hi Diagjunkie, I like your answers, my Sedona shows the AC is on inside but doesn't activate the compressors magnetic clutch?
When I feed a live supply from the battery to the clutch it operates fine but still dosn't chill the car (so I'm guessing the compressor is fine) so which issue do you think I have and where can I find the thermistor to check it?
Posted on Jun 30, 2009
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Posted on Jan 02, 2017
I do not understand why you keep reposting the same question. The answer that I provided on the 2nd post is the ONLY possible answer, unless you added 2 more cans after it stopped blowing cold - then your system is definitely overcharged. To diagnose your issue, you MUST inspect the system for a leak using a UV lamp and the correct light filter glasses. There is no way around it.
Posted on May 10, 2011
its probley leaking in the evaporator you cannot see it without removing the dash see if anyone that you know has a freon sniffer then lacated the drain tube for the evaporator case most of the time its located on the fire wall on the right lower area with a full charge use the sniffer and see if indicates a leak
Posted on Jul 18, 2009
There's little else you can do then as all the other possibilities require professional attention.
Most common causes are a failed a/c clutch unit or a failed pump. It might even be a failed a/c pump drivebelt, but as that usually also drives other things such as the power steering and alternator (on most vehicles) you'd have noticed other problems as well.
Getting an estimate is cheap, but the work itself usually isn't, but at least an estimate (or three, shop around) will enable you to make an informed choice as to what to do next. When I lived Stateside it was amazing how many otherwise perfectly good cars were in wrecking yards simply because a/c had failed and repairing it was more than the vehicle's value.
Posted on May 25, 2010
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