Ruth Castillo
Student, Web Developer, and Software Engineer in USA
Replacing Your Boats Mercruiser U-joint BellowsOutdrive bellows are rubber “boots” that seal out water around the exhaust, U-joints and shift cable, while allowing the drive to pivot and tilt. These can wear out and require regular replacement.Before anything place shifter in foward gear and suport trim cylinder from falling and breaking the oil lines, then take off the outdrive.Once removed replace all bellows and gimbel bearing at once. For now, let's focus on the exhaust bellows and u joint bellows. SEI outdrive