Can you repair a brake cylinder?
Can you repair a brake cylinder? If it's scratched or has brake fluid on the inside, there are two things you can do: replace the drum with a new one or take the drum to a professional brake shop to have it turned and resurfaced. When to replace Seal on brake master cylinder? Replacing that seal means ensuring that the piston and cylinder are in good shape, and it's often the case that if the unit's condition is bad enough that the seal is gone from old age or wear, the cylinder bore may be scratched or corroded as well....