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#1
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A/C not blowing cold
I have a manifold gauge set and am getting around 90psi on both high and low sides with the A/C either on or off. The clutch is engaging when I turn the A/C on and will stop when I turn off. I checked the two 7.5a fuses in the glove box and am good. I am looking for some advice on what to troubleshoot and hoping for advice it's not the compressor gone bad :-(. I am not well versed on A/C other than adding R134. Thanks! |
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#2
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I believe that you have a variable displacement compressor that has a problem with the control valve. There are a bunch of YouTube videos on this.
This should be the one you need: https://www.ebay.com/itm/Santech-Con...sAAOSwwS1a51uB |
#3
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I actually wasn't able to find any videos with someone specifically doing a BMW or M54 compressor. It does however look like the compressor has to be evacuated, removed and then this drops in the backside from under a plate? Or can it be done with the compressor still in the vehicle?
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#4
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Read up on magnetic clutch. It sounds like it's being activated but not engaging. I've never done the job so t lingo might not be accurate but I think there are shims that set the clutch plates and If the clutch wears enough it stops grabbing.
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#5
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These compressors are variable displacement - Afaik don't use a magnetic clutch...
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#6
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Electric goes in and it clicks. Semantics aside its a clutch. It doesnt spin when not engaged. (Eg stay spinning just change to 0% displacement), it definitely has some form of clutch.
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#7
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Quote:
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#8
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Quote:
__________________
2006 Infiniti G35 2001 BMW 3.0I E53 X5 Build date 08/2000 SOLD Lotus Europa 1970 Destroyed by fire Lotus Europa 1970 S2 Renault Powered Lotus Type 52 1970 Twincam Webers Powered PORSCHE 911 Targa 1982 The Garage Queen Audi Avant donated to Kars for Kids BMW 525IT Sold Audi 4000CS Quattro Sold Jensen Healey Lotus Powered Sold Opel 1900 Sold Triumph Spitfire 1971 Sold Triumph Spitfire 1968 Sold Plymouth "Cuda" 340 Six pack SOLD |
#9
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If you heard the click when the compressor is enage that means the magnetic clutch is working. If you don't hear the click that means the magnetic clutch is not working. You can't have a click and the magnetic clutch isn't working.
__________________
2006 Infiniti G35 2001 BMW 3.0I E53 X5 Build date 08/2000 SOLD Lotus Europa 1970 Destroyed by fire Lotus Europa 1970 S2 Renault Powered Lotus Type 52 1970 Twincam Webers Powered PORSCHE 911 Targa 1982 The Garage Queen Audi Avant donated to Kars for Kids BMW 525IT Sold Audi 4000CS Quattro Sold Jensen Healey Lotus Powered Sold Opel 1900 Sold Triumph Spitfire 1971 Sold Triumph Spitfire 1968 Sold Plymouth "Cuda" 340 Six pack SOLD |
#10
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Quote:
https://www.youtube.com/watch?v=DNx0X4INfiw
__________________
2006 Infiniti G35 2001 BMW 3.0I E53 X5 Build date 08/2000 SOLD Lotus Europa 1970 Destroyed by fire Lotus Europa 1970 S2 Renault Powered Lotus Type 52 1970 Twincam Webers Powered PORSCHE 911 Targa 1982 The Garage Queen Audi Avant donated to Kars for Kids BMW 525IT Sold Audi 4000CS Quattro Sold Jensen Healey Lotus Powered Sold Opel 1900 Sold Triumph Spitfire 1971 Sold Triumph Spitfire 1968 Sold Plymouth "Cuda" 340 Six pack SOLD |
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