set height control lever to it's lowest level, inside the engine compartment attached to the front of the engine is the pressure regulator it has a sphere like the ones on the suspension attached to it, on it is a 13 mm bolt release this bolt half a turn DO NOT remove it as it has a spring and a ballbearing behind it open it and close it 2-3 times then close it ,put suspension on highest wait untill fully raised then return to normal system bled
bob k, July 2009