i have a 88 GMC S15, 4 banger had to change the upper clutch master because it broke right where the line goes into it(made out of plastic)tried to bleed out the air, and think i have it all out but the clutch grabs right at the bottom, and is hard to get it in gear have to pump it a few times , does anyone know any tricks or anything to help fix this problem? Any Information is much appretiated! THANX!