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  #1  
Old 06-13-2013, 10:05 PM
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cole9953 cole9953 is offline
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Default AC compressor

Has anyone had an AC compressor go out on their R53? Did it make a horrible whine before it died?

My ac compressor is making a whine that rivals the SC with a 15% and alta intake at low to mid rpms. The whine I think has always been there but it seems to be getting worse.

Should I start looking for a compressor?
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Old 06-14-2013, 10:54 PM
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Yes hahah my 02 did the same thing
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Old 06-14-2013, 11:07 PM
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My AC compressor never died on my R53 but it always had a weird growl in hot weather.
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Old 06-14-2013, 11:50 PM
ScottinBend ScottinBend is offline
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Mine also makes a growl when used. If the sound is getting worse, check it out. Have you checked the A/C coolant pressure/level? It might be low.
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  #5  
Old 06-15-2013, 04:27 AM
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I checked it last summer, ill try and get it done again this week end.

In other news my SES light came on and the traction control light intermittently starting this after noon..

Pulled the code at autozone came back cylinder 1 misfire... Poped the hood and heard a vacuum leak found a hole in this line here that I covered with electrical tape as scene here
Click the image to open in full size.

Safe to assume that was the cause of the ses light?
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99 silverado very black, loud, and quick. also no low
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Old 07-06-2013, 06:10 AM
yellowbritishrocket yellowbritishrocket is offline
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thats the supercharger vac line...thats usually the one people T off for the gauge...that wont cause a misfire..i would suspect it could be a spark plug or the wire...pull the plug and check the color
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Old 07-06-2013, 06:39 AM
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I covered the hole and cleared the code. 500ish miles later and still no light.... I guess it was a one time thing.

Compressor still howling like a sonofabitch though.
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99 silverado very black, loud, and quick. also no low
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  #8  
Old 07-06-2013, 08:12 AM
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Honestly, I never realized a whine or a growl coming from my compressor but my AC hasn't worked in lord knows how long so maybe I just dont remember but I took my car to Eurofix to see why my AC wasn't working and they said that the signal was being sent to the compressor from my controls but the compressor wasn't coming on.... So I guess that means I better be finding a compressor....
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  #9  
Old 07-10-2013, 08:42 PM
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Nathan - Might just be the clutch. Measure for resistance between the trigger wire on the compressor side, and ground. Or between both wires from the compressor, if it's a two wire system. I don't know the exact spec, but there should be some resistance. If not, the coil on the clutch is bad. If there is some resistance, check that there is 12v at the connector with the AC on. The other thing it could be is a worn clutch, which can sometimes be reshimmed. That's really it for compressor issues causing the AC to not come on. Other possibilities are low refrigerant, faulty low or high pressure switches, or bad wiring. You can jump the leads on either switch to bypass, but there are voltage spec for each which can be measured (no, I don't know what it is). Auto AC systems were pretty easy before they began integrating them with the OBC. I'm pretty certain the MINI system is basic, even with climate control.
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Old 07-21-2013, 04:54 PM
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Quote:
Originally Posted by Blackbomber View Post
Nathan - Might just be the clutch. Measure for resistance between the trigger wire on the compressor side, and ground. Or between both wires from the compressor, if it's a two wire system. I don't know the exact spec, but there should be some resistance. If not, the coil on the clutch is bad. If there is some resistance, check that there is 12v at the connector with the AC on. The other thing it could be is a worn clutch, which can sometimes be reshimmed. That's really it for compressor issues causing the AC to not come on. Other possibilities are low refrigerant, faulty low or high pressure switches, or bad wiring. You can jump the leads on either switch to bypass, but there are voltage spec for each which can be measured (no, I don't know what it is). Auto AC systems were pretty easy before they began integrating them with the OBC. I'm pretty certain the MINI system is basic, even with climate control.
Awesome, thanks i'll check it out and see what I come up with. I figured that really the only thing that it would be is the clutch because it's the only thing that would actually keep it from coming on if there is nothing wrong with the controls.
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  #11  
Old 07-21-2013, 05:53 PM
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I heard a high pitched noise yesterday when I turned on the ac....damn
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  #12  
Old 07-22-2013, 01:49 AM
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Quote:
Originally Posted by rickyr53 View Post
I heard a high pitched noise yesterday when I turned on the ac....damn
Uh-oh....
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