My manual says w/o hydraulic lift 90-165 psi, with hydraulic lift 200 psi max. When I first posted about checking pressure I was thinking something was stuck allowing way to high of pressure and blowing out the little internal oring. It seems your pressure is good so I'm stumped about what could be causing your leak. Just to be sure, the leak is around the little button not the hex part of the valve, correct? Something is wrong for both your rebuilt and new valves to all be leaking. Without hydraulic lift the charge pump relief valve is on top. With hydraulic lift the one on top becomes the lift relief and the charge pump relief is on the side.
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