02-29-2020, 08:48 AM | #1 |
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X5 Rear Air Suspension Issue 🙄
Hi all,
Looking for some help and advice please. I have a Bmw x5 2014, 7 seater with rear air suspension. Started to notice the rear sagging a few weeks back in the mornings, jump in car start it up and the suspension would rise as normal. Forward a couple of weeks...could hear air gushing out left side and had to have car recovered to garage, who diagnosed as needing new air spring. New Arnott spring ordered and fitted. 2 days later rear sagged again! Garage said other side will most likely need replacing, so again ordered and fitted, so both sides now have brand new Arnott air springs. 1 week later...car is still sagging in the mornings, but this time one side more than the other. The passenger side that got replaced first is down more than drivers side. So before I go back to the garage I thought I would change the blue/red air lines around to see if the issue is the valve block...issue still persists, but driver sides rides much higher now and get a chasis error! Think this could be air that needs purging with ista or me changing the air lines around. Anyways would you say issue is with the Arnott air spring...or compressor? I am just going to change the air lines back round to put it back to normal. Garage closed till next week and this issue is driving me crazy haha! Has anyone had a similar issue and can tell me what this could be please 😉 |
02-29-2020, 10:16 AM | #2 | |
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02-29-2020, 10:41 AM | #3 | ||
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i have just removed the compressor which was actually full of water! dried out silica beads and reinstalled. now riding at correct height and chassis error has now gone! doubt it will have fixed the drop but least im back to how it was lol hopefully it is something simple like the air line on top of spring. is this something I can get access to myself? |
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02-29-2020, 10:46 AM | #4 | |||
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I was also going to replace the silica beads in my compressor but decided to tackle the springs first. It solved my issue, so I returned the beads.
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02-29-2020, 10:52 AM | #5 | ||||
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02-29-2020, 10:55 AM | #6 | |||||
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Should mention, I sprayed soapy water to see if there was any nicks or to see where the air was escaping.
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02-29-2020, 11:11 AM | #7 | ||||||
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02-29-2020, 11:25 AM | #8 | |||||||
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There are a few threads on here with DIY's on it. Check them out.
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02-29-2020, 01:58 PM | #9 | ||||||||
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03-19-2020, 06:14 PM | #10 |
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update
ok...so i changed the valve block still the same
then bought some new air line pipe, connected to bag and still same issue new air bags, new pile, new valve block!! next is a new air bag, and then a compressor!! sooo hard to diagnose, doing my head in haha |
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03-19-2020, 08:31 PM | #11 | |
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I had the same problem on mine and all I did was replace to Arnott's and made sure the blue and red lines were pushed in all the way in the Arnott's. I did unscrew the lines from the compressor side and screwed them in last after everything in the back was back together, minus Wheels. I opened my door and it worked. Put my wheels back on and lowered. Sounds like you've done some serious replacement but if you changed everything you should inspect your compressor. Maybe you have a hairline fracture at the compressor side connections and it's allowing air to escape after it inflates. Let me know... |
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03-20-2020, 09:43 AM | #12 | ||||
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i have replaced with 2 new arnott springs too! update 20th march - i have just replaced my compressor. ive put it all back together now, just need to sit tight and see if it drops. generally takes a couple of hours to drop a fraction so will keep an eye on it. so thats 2x new arnott air springs, new air line, new valve block, new compressor. haha fingers crossed now final thing if it still drops will be replace the air spring....Arnott will only cover cost of original if they can find fault with original replacement....so didnt want to risk being stuck with 2....least i know its the air spring if it continues to drop will let you know |
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03-20-2020, 09:46 AM | #13 | |||||
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Hope all is good to go for you 🤙🏽 |
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03-20-2020, 01:31 PM | #14 | ||||||||||||
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got my replacement new compressor, after fitting the suspension dropped after 2 hours again!! just picked up a new arnott spring...fitted and going to monitor it now! looks like the compressor was fine so back to my original. the joys haha |
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03-20-2020, 01:34 PM | #15 | |||||||||||||
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03-20-2020, 07:11 PM | #16 | ||||||||||||||
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replaced new arnott spring...still looks to be dropping! i dont understand!! fucked off is an understatement! anyone got any ideas? |
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03-20-2020, 08:30 PM | #17 |
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03-20-2020, 09:09 PM | #18 | |||||||||||||||
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All I can think about is the lines. They are probably not seated correctly and letting air out. I mean, you've replaced the whole system. You sure it's not just you being paranoid 😅 How much is it dropping? |
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03-21-2020, 07:59 AM | #19 |
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yep new spring and its still dropping! i have been monitoring with my cctv camera and can gradually see the back corner drop
going to finally put the new compressor on again now that the new arnott spring is in place. wish i went the spring replacement route now! |
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03-21-2020, 08:14 AM | #20 | |
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Did you try the soapy water method as well?
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03-21-2020, 08:41 AM | #21 | ||||
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cant hear any air escaping tried spraying with soapy water too and no bubbles it takes around 2 hours to drop a cm or so |
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03-21-2020, 10:46 AM | #22 | |||||
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