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#41
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That is exactly what I thought, so I DO have a leak somewhere on the front left one. I never noticed it before when I was messing with it. My car was sitting for a few days and yesterday I open it, it automatically pumps up the fronts and then I hear hissing. I quickly put my hand in there and felt air coming out from somewhere around the bottom back. It stopped after a few secs, so I guess it is something that when there is higher pressure it leaks and once it settled it releases slowly (I am assuming due to the higher pressure of the new pump). Unfortunately I am traveling in a few days and don’t think I’ll have the time to take it apart before then, will have to wait till I get back in a few weeks. Sent from my iPhone using Tapatalk
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03.06 BMW X5 4.8is LeMans Blue |
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#42
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Okay so before my flight I managed to find an hour to play around with it so that I can research what the issue is while I am gone, and I am quite stumped. I have found that there is air leaking from where the bag attaches to the strut (? Not sure of the name, marked it in the attached photo). The weird thing was that I was not able to recreate this every time, maybe once every 5 times I pumped it up. My thoughts are that there might be an issue with the seal? There doesn’t seem to be any damage to the bag itself, it’s 4 years old and hasn’t seen too much use.
Anybody have any idea what could be wrong here? Or had similar experiences?
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03.06 BMW X5 4.8is LeMans Blue |
#43
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How did you identify the leak?
I finally found mine - yay for quarantine projects! Mine is single axle air suspension, but it was a slow leak from the body of the proportioning valve itself. Quote:
Thanks for that link! I was trying to find the valve by itself, and not replace the entire pump/valve/housing unit. Took a while, BMW doesn't list it as a separate line item. Some creative googling and found it here also: https://www.suncoreindustries.com/pr...discovery-l318 Has anyone attempted rebuilding the valve successfully? |
#44
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Well, first of all I could actually hear mine for a few seconds, so then I went in with soapy water and found it. Still weird that it doesn't happen every time though, makes me think there might be some other issue involved as well. I emailed Arnott directly asking if they have heard of anything like my issue before, I'm going to try to get the seals from them and try to replace those and go from there.
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03.06 BMW X5 4.8is LeMans Blue |
#45
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Yeah, I just installed a set of Arnott bags on mine, but that wasn't the only problem apparently. I replaced the O-rings in the valve, but it apparently is leaking through the body of the valve solenoids. New valve for me! |
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