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AC Clutch Locked


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zsteve
New User

Jun 27, 2021, 8:40 PM

Post #1 of 4 (533 views)
AC Clutch Locked Sign In

2009 BMW 335i 3.0L 40k miles.

AC is not working/no cold air but AC compressor appears to have a locked clutch with it always engaged. (front always spinning) regardless of AC on or off.
Is it possible that only the clutch is damaged and that I can replace it without discharging the system?


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Jun 28, 2021, 2:21 AM

Post #2 of 4 (517 views)
Re: AC Clutch Locked Sign In

It's not isolated so discharging it is in order to replace if required,
T



Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jun 28, 2021, 3:21 AM

Post #3 of 4 (511 views)
Re: AC Clutch Locked Sign In

You should really leave this to a professional that's experienced with this system. Your car doesn't even have a clutch. It is controlled through internal valving.

You can do more damage than good messing around with this system.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Nacho
User

Jul 8, 2021, 7:26 PM

Post #4 of 4 (472 views)
Re: AC Clutch Locked Sign In

Those compressors have a refrigerant control valve (RCV). With only that mileage, I bet that it stopped working. We use an RCV tester to determine whether is good or bad. I hope you find someone who is willing to replace it instead of the whole compressor.
You'll teach them to fly, but they won't fly your flight; you'll teach them to dream, but they won't dream your dreams; you'll teach them to live, but they won't live your life; however, in every flight, in every dream, in every life there always be the print of your lessons taught (Mother Theresa)






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