Based thread title, I thought I would add to this one rather than start a new thread.

Most of the time my EAS seems to hold height overnight within about an inch . . Unless I park it backwards on the drive, or on slope at work. . . In either case if the rear is lower than front, the rear seems to drop to the bump stops within about an hour. If the front is lower, then the car stays up & level.

Before somebody mentions "self-levelling", I have a relay fitted that completely removes power to the EAS system when the Ignition is switched off . . . so no clicking valves, timers, etc.

Strange eh ?

Pete

Cannot be other than a leak then.
 
Mine used to drop on the front,it was the O ring on both N/S and O/S valve in valve block. They have a habit of rolling over as you fit it back together but with care it is fairly easy
 
Mine used to drop on the front,it was the O ring on both N/S and O/S valve in valve block. They have a habit of rolling over as you fit it back together but with care it is fairly easy

Which O'ring would that be, the only O'ring that seals the bags in the block is the smaller of the two in the base of the valve seat. All other o'rings on the valves are only used when the bags are being filled.
 

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