Wheel Cylinder: Description and Operation

Fig 2 Rear Wheel Cylinder 11 And 12 Inch Brakes:

Fig 1 Wheel Cylinder Installation:

The piston boots are of the press-on type and prevent moisture from entering the wheel cylinder.

To perform service operations or inspections of the wheel cylinder , it will be necessary to remove the cylinders from the support plate and disassemble on the bench.

CAUTION: Wheel cylinder with cup expanders MUST have cup expanders after any service procedures (reconditioning or replacement).