Posted 2/21/2011 04:52 (#1626246 - in reply to #1626240) Subject: Re: 3588 2+2 Hyd Question
Nevada, Iowa
Had some similar symptoms once. Turned out to be the o-ring on the belly hyd. filter assy. I had reused it a few times and must have nicked it. It wouldn't leak but it would suck air. Check the hose clamps on that uncooperative filter cover hose too.