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Message: <blockquote data-quote="Mike10" data-source="post: 55645" data-attributes="member: 5461">How close did you examine the two gears. Often in a pump failure one of the gears will split or shear the key between the shaft and the gear and thus will not drive the pump.  Since excessive pressure is what cracks the pump housing, you should also replace the relief valve in the control valve.  Did you install the center housing in the correct orientation and did you install a new seal kit? A relief valve stuck in the open positon will also keep the hydraulics from working.  I have seen parts of needle bearings get stuck in the relief valve and if anyting did go through the pump the next stop is the control valve and the relief valve. You should not need to bleed the pump since the reservoir oil level is higher than the pump inlet.</blockquote>