E-Class (W211) 2003-2009

Code 5503, no leaks rebuilt compressor

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Old 09-12-2021, 10:27 AM
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mercedes e500 2006
Code 5503, no leaks rebuilt compressor

Hi

Im out of ideas, I checked all shocks with spraying soap water I rebuilt my air compressor with kit from ebay(new gasket and piston ring) and a removed my airtank in trunk and drowned it in pool of water - no leaks anywhere.

all I havnt’ checked is the relay for pump.

when I use my i980 icarsoft to monitor airmatic pressur sensor, as soon as I go into suspension > actual values, this command stop the function of the compressor. As soon as I leave the suspension menu the pumps starts again. So therefor I can get a accurate reading (takes about 5 sec from it stops to my scanner to load 2 menus. But when I do this I get 7 bar from B7 airmatic pressure sensor. But I suspect this value is higher because of my scanner as i described.

car sits fine I dont see any corners ever going down

Last edited by larsk84; 09-12-2021 at 10:48 AM.

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