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Another airmatic problem!
yes who could believe that lol, first sorry for bad English I'm from Sweden.
I have a merc e500 from 2003, owned it for 6 years now and have been pretty safe from problem with the airmatic.
Under this 6 years I have just changed right front strut and left rear strut and that's all.
But now I have this wisit workshop airmatic code on the dash that's comes and goes all the time. From what I can see the car doesn't sink much or anything over a night and the code comes when I drive and goes away if I restart the car. The compressor starts pumping always when the code not displaying.
My icarsoft v2 gets me the code 5508 the pressure line system leaking. But I wonder if it is a height sensor that's faulty? I attached a pic of the voltage of the sensors and left front is definitely not in range. Any ideas guys? Thanks!
I think you do have a leak and the pump "times out" from running too long, throws the error code, stops pumping until code gets reset. There are tons of threads on chasing leaks here and on youtube
I think you do have a leak and the pump "times out" from running too long, throws the error code, stops pumping until code gets reset. There are tons of threads on chasing leaks here and on youtube
Hmm okay! What about the low voltage on the left sensor then? Or is that in range?
I think you do have a leak and the pump "times out" from running too long, throws the error code, stops pumping until code gets reset. There are tons of threads on chasing leaks here and on youtube
Agreed. Check the line that goes between the valve block and the compressor. Its not uncommon for it to rub against the inner fender liner and wear a hole in it.
Agreed. Check the line that goes between the valve block and the compressor. Its not uncommon for it to rub against the inner fender liner and wear a hole in it.
Thanks I'll look at it as first thing! I'm away at work for 4 days so I raised the car and will check with obd when I get back to see if there's anything difference in height then.
From SimDAS "actuation of level valves" the following values are considered valid:
Front axle:
-Inclination angle of control arm between 3.1* and 4.1*
Level signals must be in the following range:
-Left front 1.8v - 2.8v
-Right front 2.2v - 3.2v
Rear axle:
-Inclination angle between -0.9* and -1.5*
Level signal must be in the following range:
-Rear 2.2v - 3.0v
So, it is possible you need to recalibrate the control arm inclination angle or the sensor is producing erroneous values. Let us know what you find.
Hii again. So after some leak search I found out a little leak on a hose in left front wheelhouse to the rear strut. I chopped the line and put a "extender" we use in work for airlines. And it were sealed yeah! The hose between compressor and valve was all good. But I wonder if the valve maybe leaking between the different Chambers? No leak visible but look at the pics and this is after just one night. It looks like air moving between the struts and the pressure sensor dropped also over one night.
Hii again. So after some leak search I found out a little leak on a hose in left front wheelhouse to the rear strut. I chopped the line and put a "extender" we use in work for airlines. And it were sealed yeah! The hose between compressor and valve was all good. But I wonder if the valve maybe leaking between the different Chambers? No leak visible but look at the pics and this is after just one night. It looks like air moving between the struts and the pressure sensor dropped also over one night.
Remember, density of air will change with temperature. A small drop or gain overnight wouldn't worry me much. If in a few days you're down a bit of pressure it's safe to say you have a leak.
Remember, density of air will change with temperature. A small drop or gain overnight wouldn't worry me much. If in a few days you're down a bit of pressure it's safe to say you have a leak.
Thanks yeah I forgotten the fluctuations over time. I don't need the car for the time so we'll see if it drops more from now!
Okay here comes a update!
First leak I found was in right innerfender second leak I found was the t-block in the rear end. Both leaks are now fixed. Jumped out and drove and bam code come back! Dohh!! *#+#*
Continued follow every cm of the lines no leak anywhere took apart half car it felt like. No leaks at all. Then I got the idea to loose the hose from compressor to the valveblock and taadaa the valveblock created bubbles immediately! See attached pic. Now I wondering is this my problem? Faulty valveblock? I searched some and find this on eBay but it felt very cheap for being both valveblock and compressor? Is it some replication or do you guys think it's reliable?
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