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06-15-2010, 12:52 PM | #1 |
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Air conditioning low pressure recharge point
Hi all,
I'm looking to check the level of the air con gas, does anyone happen to know where the low pressure recharge point is located? The high pressure recharge point is nice and handy just behind the radiator at the top of the engine bay but I couldn't locate the other recharge point. Cheers, Chris |
06-15-2010, 07:05 PM | #2 | |
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06-15-2010, 08:11 PM | #3 |
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If you find it, please post a pic. I looked for it when I only saw one some time ago, and was wondering where the hell it was. Hopefully it's somewhere we can reach it without removing any parts. Keep us posted man. Freaking Germans; it's nice when they make things better, but why the hell they have to make many others worse?
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05-13-2013, 04:57 PM | #4 |
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bumping this thread...
I think my ac is out... have not turned on my ac for months and today its about 101 and turned the AC on and no cold air at all... so im going to try the charge it but dont know where the low pressure recharge point. ANYONE?
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05-14-2013, 10:10 PM | #6 |
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Drives: Harrop E90 M3
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Under the drivers side microfilter cover
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05-16-2013, 06:59 PM | #7 |
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05-21-2013, 10:05 PM | #9 |
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Please tell the world you're not using a cheap top off kit w/leak stop in it...
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05-06-2014, 05:30 PM | #11 |
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Before you bother recharging you should check to ensure your compressor clutch isn't burned out. When you cycle the AC should hear the compressor cycle on / off...you can also visually watch the center section of the AC pulley turn on/off.
If your AC clutch runs and you still don't get cool air then the next most likely cause (as you said) is a leak. I would start with a simple charge kit of R134a from Autozone (or similar). For example: http://www.autozone.com/autozone/acc...questid=966250 These also usually have refrig oil in them which is good if your system bleed dry (and therefore your compressor needs some oil lovin'). I do not have any negative experience with the sealant that comes in these kits that MilehighM3 mentioned. But if you have a big enough leak that your system is dry then I do not believe a little stop leak will hurt...more than likely it will charge enough to run a couple of days then be gone and you'll be at a repair shop getting something replaced. Let us know what you find out. By the way...is there no cold air on either side? Meaning driver and passenger? These M3 have separate evaporators so if one side is cold and the other is not then that pretty much guarantees you have a leaky evap on that side. |
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05-06-2014, 06:00 PM | #12 | |
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05-07-2014, 08:24 PM | #14 |
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Yep, not surprised. As long as the passenger side works, I guess. I only use AC when I'm driving with my girl anyway. Maybe I'll see if a recharge will help a little. I don't see myself paying that kinda money for AC repair... At least there's no humidity here in New Mexico, haha.
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