Thread: [B]4x4 front wheel bearings and river crossings[/B]

Extended diff breathers do work, a normal diff breather is usually just a cap on top of the diff which close with pressure , a hot diff cold water and this is what creates the vacuum and sucks water in , extended diff breathers allow the diff to equalise and not as much vacuum , I have seen heaps of examples of how they help keep water out all things being equal with grease and seals ,