Hi All, I Just Got A 26' Seahawk With Single-ram Non Power Assisted Ext. Steering.the Problem Is The Helm Pump Is Making A Ratcheting Sound When Turned,and Sometimes Locks Up.i Have Bled The System And It Still Does The Same Thing.i Am Pretty Shure It Is A Bad Helm Pump,but Wanted To Get Some Advise On A Good Replacement With Tilt(displacement,and Approx.lock To Lock,price,sources)the Shaft Is 7/8" And Has A Throw Of 9",thanks