Hydraulic clutches for manual transmissions use brake fluid to supply ... Pushing in the clutch pedal makes fluid flow from a master cylinder (or fluid reservoir) to the slave cylinder, which ...

Some Mustang owners with brand-new models may need to get their cars checked for leaking fluid. Ford Motor Company issued a ...

but like brake calipers, sometimes it can spring leaks or otherwise fail, and it must be rebuilt or replaced. The master cylinder is topped by the brake-fluid reservoir, which must be kept full.