Wheel Cylinder - Jeep J-10 Series 1982 Technical & Service Manual

Table of Contents

Rg. 26-10 Master Cylinder—CJ and Scrambler Models

(3) Fill master cylinder reservoirs to within 1/4

inch (6.35 mm) of rim with Jeep Brake Fluid or equiva

lent grade marked SAE J-1703 or DOT 3.

(4) Install cover and diaphragm seal.

(5) On models with nonpower brakes, connect push

rod to brake pedal.

(6) Bleed entire brake system as outlined under

Brake Bleeding.

WHEEL CYLINDER

The rear drum brake wheel cylinder consists of a cast

iron housing with a piston bore machined in it. Two

opposed pistons, rubber piston cups, and a compression

spring with integral cup expanders are contained within

the piston bore (fig. 2G-13). Rubber dust boots are in

stalled at each end of the cylinder to prevent entry of

dirt and water. Each cylinder is equipped with a bleeder

screw to facilitate brake bleeding.

The compression spring is used to hold the piston cups

tightly against the pistons and the integral cup expan

ders hold the piston cups tightly against the walls of the

piston bore. The expanders prevent air from being

drawn past the cups and into the hydraulic system when

the brakes are released.

(1) Remove wheels, brakedrums, and brakeshoes.

Refer to Drum Brake Section for procedure.

Troubleshooting