Repair of the rear brake cylinder (Chevrolet Aveo T200)

Disassembly

1. Remove the wheel cylinder assembly from the support shield.

2. Remove the protective caps, pistons and seals from each end of the wheel cylinder.



3. Remove the spring.

4. Remove the bypass valve cap and the valve itself.

Assembly

1. Inspect the wheel cylinder cavity and pistons for grooves, nicks, corrosion and wear.

2. With the help of crocus (iron oxide powder) grind down areas in the wheel cylinder cavity with minor corrosion.

Note: If the cavity is not cleared with the crocus, replace this unit.

3. Wipe all parts with brake fluid. Dry them with clean compressed air. Before installation, lubricate the new seals, pistons and wheel cylinder cavity with clean brake fluid.

4. Coat all parts except the dust caps with a thin layer of brake fluid from the cylinder.

5. Install the bleed valve and its cap on the wheel cylinder.



6. Install the spring into the cylinder, then the pistons, seals and protective caps.

7. Check the pistons for free movement.

8. Install the wheel cylinder.



(Information taken from the official website: chevyman)