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  #91  
Old 09-29-2013, 12:05 PM
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Arnott on the driver side, new. OEM passenger side unknown age.

It appeared a bit lower on the Arnott side but both sides completely deflated yesterday when I removed the passenger side reservoir (I got scared) but appears level after filling up.

It feels great and as I am now a professional rear bag tech I can replace it anytime if necessary with a small & large flathead and a needle nose.
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  #92  
Old 09-29-2013, 07:09 PM
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Thanks alot GREG891.including all other folks who have shared
their inputs, your comments are truly appreciated and busted my confidence
to move forward now by replacing the two rear air spring bag.

However I do Not have any (self level suspension message) N'less the car
was parked for 24hrs on an uneven surface without moving, & from there
the message will appear at the 1st start-up, but will go away after the car
finished reaching it's normal heights.

Otherwise, I'm glad that you have endorsed the (Arnott Spring Air bag)
because I was looking at the (OEM Spring Air bag on Partsgeek.com)
and they run for: $200 each side.

I will keep you guys posted on the outcome...

(01 X5 4.4i E53)
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  #93  
Old 09-29-2013, 07:12 PM
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Quote:
Originally Posted by Gregory891 View Post
Do you have any dash light for the air suspension? If no, it would (ideally) good to check your car's fault codes with INPA, GT1 or any of the software packages that do this.

Have you measured the height (left & right) at the wheel arch and compare the differences on "good days" and "bad days"?

IF you don't have a dash fault light - the most likely issue is a slow, intermittent leak of the air bags. If you know that the air bags are the original build - it's a good time and idea to pro-actively replace them, especially as your symptoms indicate this. A defective height sensor will give you a dash code (I've experienced this).

I recently replaced my rear bags (always do this in pairs), a 2 hour job start to finish (I have jacks, stands, air tools, etc. at home). I can endorse Arnott products.

I would expect that the remote trigger initiates the rear suspension power circuit. Sometimes your RR corner is down and the height sensor tells the compressor to start raising this corner.
Thanks alot GREG891.including all other folks who have shared
their inputs, your comments are truly appreciated and busted my confidence
to move forward now by replacing the two rear air spring bag.

However I do Not have any (self level suspension message) N'less the car
was parked for 24hrs on an uneven surface without moving, & from there
the message will appear at the 1st start-up, but will go away after the car
finished reaching it's normal heights.

Otherwise, I'm glad that you have endorsed the (Arnott Spring Air bag)
because I was looking at the (OEM Spring Air bag on Partsgeek.com)
and they run for: $200 each side.

I will keep you guys posted on the outcome...

(01 X5 4.4i E53)
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  #94  
Old 10-04-2013, 05:24 PM
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Airbag spring replacement!!! pic!

Ok Once again I would like to contribute and thank all other folks
in this forum who have made it possible & easy for me to accomplish
this job, Otherwise I wouldn't have known anything that could cause my rear vehicle to go lower like that.

I have to say it's a pretty much forward job for any handy men to accomplish
with a few basic tools. But would be much better if you have an extra person
to help. I would say the much difficult part was the removal of the Airbag clip
on top...well, after watching the video on youtube, while doing my job
I figured it all out how to easily remove the two clips on top in less than 1mtes.

Ok let's get to the bottom line now, however I did not have the entire job pics
but I do want to share where and why my rear vehicle was going lower after parked for several hrs.

Here's how the (Right rear Spring Airbag) of my vehicle were after 12yrs old
And look at the New one from Arnott... However I replaced both side airbag even the left side was ok.



Sorry pictures could not be loaded due to the size of them, working on it...
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Last edited by mysweetx5; 10-04-2013 at 05:43 PM.
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  #95  
Old 06-09-2015, 05:37 PM
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Rear air suspension leaking Question

I have a X5 2002 E53 and recently noticed the rear air suspension problem.
After not driving the car for a week noticed the rear suspension had lowered (both sides).
Started the compressor pumped up and was fine for a few days.
Then parked the car outside - frost overnight the suspension lowered again (Both Sides).
Started the compressor pumped up and was fine for a few days.
Next morning the suspension was fine however just parked the car after lunch,, on my return after work the suspension had lowered (both sides).

While i'm 80% positive I need to replace the air suspension the doubt I have is why both side failing at the same time.

What are the other common, single point of failure in the system that could cause this. Is there a signal valve somewhere that feeds both sides that can be checked?
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  #96  
Old 06-10-2015, 01:20 AM
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AS you don't have any error codes on the dash, it's not likley to be the height switches or the compressor (piston seal) but simply the rear bags that leak (the most common problem). Usually one fails / leaks before the other - in your case it sounds like both.

Replace both rear bags (easy enough DIY project, see my post).

If you have access to ENPA, GT1 or similar to check for codes - a good idea as well.
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  #97  
Old 06-10-2015, 04:52 AM
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Thanks for the advice. I will replace the air bags and see how it goes.
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  #98  
Old 06-13-2015, 03:01 PM
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I know this is an old thread that I am bringing back to life but I have wondering if Arnott sent me the wrong air shock replacements.

I ordered the Left and Right sports air shocks for my 4.4l w/ rear only self leveling suspension,

opened both boxes to put on tomorrow (sunday) and one of the air shocks is a completely different size. The Left hand side is smaller then the right side. Wondering if anyone who has replaced this before knows if that is how it is suppose to be or if I got sent a comfort spring instead.

The picture the OP posted looks like they are of different sizes as well and the shipping documentation verifies I did order the correct part.

Please help if anyone has knowledge on this
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  #99  
Old 06-13-2015, 04:57 PM
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Quote:
Originally Posted by pwvarley View Post
I know this is an old thread that I am bringing back to life but I have wondering if Arnott sent me the wrong air shock replacements.

I ordered the Left and Right sports air shocks for my 4.4l w/ rear only self leveling suspension,

opened both boxes to put on tomorrow (sunday) and one of the air shocks is a completely different size. The Left hand side is smaller then the right side. Wondering if anyone who has replaced this before knows if that is how it is suppose to be or if I got sent a comfort spring instead.

The picture the OP posted looks like they are of different sizes as well and the shipping documentation verifies I did order the correct part.

Please help if anyone has knowledge on this
I know in fact you'll be shocked to see the new ones that just arrived compare with the older ones style that will be removed under the car...
Coz the older ones have been inflated with high pressure air making them expend with high tendency to support the heavy weight truck.

But as far for your question, I wish I could see the pictures of them
because when I did mine with Arnott about a year ago, they're both look
similar but way different than the older ones, but once you release the
high pressure air on them, they will expend accordingly.



(2001 4.4 X5 E53 Blue Topaz)
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  #100  
Old 06-13-2015, 05:03 PM
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Quote:
Originally Posted by mysweetx5 View Post
I know in fact you'll be shocked to see the new ones that just arrived compare with the older ones style that will be removed under the car...
Coz the older ones have been inflated with high pressure air making them expend with high tendency to support the heavy weight truck.

But as far for your question, I wish I could see the pictures of them
because when I did mine with Arnott about a year ago, they're both look
similar but way different than the older ones, but once you release the
high pressure air on them, they will expend accordingly.



(2001 4.4 X5 E53 Blue Topaz)
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