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Old 07-04-2021, 07:05 PM   #1
sv650steve
 
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Bad AC

My A/C blows hot. The shop quoted my $1900 for a new high pressure switch, metering device, evap coil, filter dryer, and compressor. It just started happening. I read pressure on the lowside and it was around 100 psig. I did not have the fitting to do the high side (i'll be buying that tomorow). There are no bubbles in the sightglass and it looks like the refridgerant is not moving.

Could I just buy the compressor, high pressure switch, and vaccume pump and hope for the best? Or should I replace the whole system like they suggested? A rebuilt compressor is only $400 and comes with a 2 year warranty.
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Old 07-05-2021, 09:16 AM   #2
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When my a/c died, the dealership diagnosed "seized" compressor, to which I said BS. My pressure switch was the point of failure which I replaced with a unit off eBay for around $20.
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Old 07-05-2021, 12:34 PM   #3
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What do you mean you don’t have a high pressure fitting? It’s got to be there someplace! Keep looking.

I am leery of the shop saying so many things are wrong
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Old 07-05-2021, 03:55 PM   #4
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Quote:
Originally Posted by bronsin View Post
What do you mean you donít have a high pressure fitting? Itís got to be there someplace! Keep looking.

I am leery of the shop saying so many things are wrong
I'm sure he is referring to the high pressure fitting for his test gauges, not the lack of the actual high pressure Schrader valve on the AC lines.
The shop wouldn't necessarily be saying that all those components have failed. I know for a fact that if a compressor is to be replaced, the manufacturer stipulates that some other components be replaced (ie the dryer) or the compressor warranty is void. Other parts in that list not necessary for warranty are prob just parts in an AC replacement bundle.
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Old 07-05-2021, 07:00 PM   #5
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I'd go to another shop.
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Old 07-06-2021, 03:35 PM   #6
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if it really is a seized compressor, then replacing the whole ac system is the best choice, most of the time those ac flushes never work, have another look at it and make it is seized compressor, and not the clutch not engaging, cause ifyou do have a seized compressor, you already metal filings all throughout the system and youneed to replace everything
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Old 07-06-2021, 06:19 PM   #7
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Originally Posted by remcafee View Post
if it really is a seized compressor, then replacing the whole ac system is the best choice, most of the time those ac flushes never work, have another look at it and make it is seized compressor, and not the clutch not engaging, cause ifyou do have a seized compressor, you already metal filings all throughout the system and youneed to replace everything
Looks like I was wrong!
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