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Chevrolet uplander a/c problems


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Puckett95
New User

Jul 4, 2017, 6:22 AM

Post #1 of 4 (664 views)
Chevrolet uplander a/c problems Sign In

I have a 2008 Chevrolet Uplander and every time I turn the ac on it blows the clutch fuse. I've replaced the ac compressor and it still hasn't fixed it. Any suggestions as to what could be wrong


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Jul 4, 2017, 7:18 AM

Post #2 of 4 (660 views)
Re: Chevrolet uplander a/c problems Sign In

? This is to say you replaced the compressor because of blowing a fuse? Why?
OK: Did new compressor come with a complete new clutch ready to go or what did you do? Ohm check the clutch coil you want about 4.5 ohms just sitting there unplugged.


If higher or lots higher it's shorted but not two different coils if so. Don't forget turning on A/C also enables fans so may have to trace back if that where the short is.
Try this: Unplug compressor's clutch coil is that plug and see if it still blows the fuse if short of test equipment then you know it had nothing to do with the compressor or clutch - separate items just they are together,


T



Hammer Time
Ultimate Carjunky / Moderator
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Jul 4, 2017, 8:05 AM

Post #3 of 4 (656 views)
Re: Chevrolet uplander a/c problems Sign In

That fuse powers the relay, which in turn powers the clutch.
You can have a short if the wire leading to the relay (not likely if only blows when AC turned on), the relay itself or the wire from the relay to the compressor.





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(This post was edited by Hammer Time on Jul 4, 2017, 8:29 AM)


Sidom
Veteran / Moderator
Sidom profile image

Jul 4, 2017, 12:46 PM

Post #4 of 4 (632 views)
Re: Chevrolet uplander a/c problems Sign In

Like HT says.....You have a short......I'm not sure if you are going to check this out or take it in......If you are taking it in, there is no point posting the tests to run....






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