@@goodneighborsports8228 , two isolation valves have ports on back seat position? Connect gauge manifold in one of these and then close valve. Luckily you also have drain valve in bottom, use that. Entire de-pressurising process is missing.
mohamed jaris at the bottom of the valve stem there is another nut that holds in the valve packing. You loosen it a 1/4 turn before working the stem. Also you pull a deep vacuum on the filter canister to remove air before opening the valves after the filter change.
It hurts my feelings to see him. Put that Crescent rich on that summer spouse. Then. But maybe that's just the technician in me speaking. But I've always been a stickler for the right tool for the right job.
Impossible. Unless you plug in a seperate transducer to trick the board thinking it has oil pressure, it would go off on oil pressure failure. If not, you would quickly grenade the compressor / shaft seal / your career :D
