Getting hands-on with rebuilding a master cylinder
If your brake pedal feels a bit spongy lately, rebuilding a master cylinder might be the project you need to tackle this weekend to get that firm stop back. It's one of those jobs that seems pretty intimidating when you first look at the schematic, but once you get the unit on your workbench, it's actually a very logical piece of machinery. Most of the time, you don't even need to replace the whole housing; usually, it's just the internal rubber seals that have given up the ghost after years of heat and friction. ...