the metal is the piston, the rubber is the seal - the outer rubber boot is the 'safety' - if there's any wetness outside it, you need new inner rubber cup, or new cylinders - the rubber can't seal a rough/scored surface

Bill


Moved over to the Passing Lane

"When we tug a single thing in nature we find it attached to the rest of the world" John Muir
"When we tug a single thing on an old truck, we find it falls off" me
Some TF series details & TF heater pics & Rust-a-holics Unanimous parking lot