Leaking rear wheel cylinders?

[Frank Necrosis]

Originally Posted by CoryM

When you say "leaking", what are you seeing? It's not uncommon for the assembly lube to ooze out over time and leave a film on the outside of the cylinder.
Cheers.

The outside was covered in oil with some running down the backing plate. One of the rubber boots was full of brake fluid when peeled back. Also, the bleeder we completely rusty. It was frozen in the cylinder. Even when broken loose, it kept fighting the whole way out.

Once the cylinder was removed, the ends of the cylinder were compressed just to see what would come out. There were some rusty and brass flakes in the fluid.

Took longer to get the tools out and bleed the cylinder than it did so swap it out. Of course, I sprayed the end of the brake line and retaining bolt with penetrating oil a few days before it was changed.