Just because the pump ran does not mean it is good. The Das tests will usually tell you exactly what the issue is.
Sent from my iPhone > On Mar 21, 2020, at 7:25 PM, Buggered Benzmail via Mercedes > <mercedes@okiebenz.com> wrote: > > I decided today to go spend some time trying to figure out why this $500E500 > is all squatted down. I took off the air pump to check it out (which I need > not have done, but I wanted to see if it was banged up from the off-road > excursion. It was fine. > > Turns out it was getting no electrons. FUSE was fine. A bit of research > showed there is a relay in the electrical box. Pulled that and tested it, > seemed to be kaput (0 ohms) across the actuation contacts. So I jumpered the > 12V contacts and it ran!!! So the relay is bad. > > I had the car off the ground, wheels dangling but it didn’t seem to pump up > any struts. There was air coming out of the intake side. This might indicate > blown o-rings maybe so it might need a rebuild. > > I put the computer on and did a diagnostic on the airmatic after I dropped it > back down. It had a bunch of codes, one being the solenoid which I guess > controls air going out? A couple of the struts which are not totally > collapsed were showing 5+bar pressure which is about a third of what they are > supposed to be. The other two were much lower. I tried to run pressurization > on each strut but I think it needs to be off the ground, or if the air is not > actually being solenoided out I guess it won’t work. > > Got dark and late so I came in. I’ll have to dig into it a bit more. > > Oh, I disconnected the 2 rear air lines at the pump distribution block and > put compressed air in them while the car was off the ground but no change. > Maybe there’s some other logic or components in the system they won’t allow > that , I don’t know. I’ll research it all more. > > --R > Sent from iPhone > _______________________________________ > http://www.okiebenz.com > > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
