Wheel Cylinder: Service and Repair

Rear Brake Cylinder Replacement

Removal Procedure
Warning: Refer to Brake Dust Warning (Brake Dust Warning).

Warning: Refer to Brake Fluid Irritant Warning (Brake Fluid Irritant Warning).


1. Remove the brake drum. Refer to Brake Drum Replacement (Removal and Replacement).
2. Clean the area surrounding the wheel cylinder of dirt and debris.




3. Disconnect the wheel cylinder brake pipe fitting (1).
Cap the brake pipe fitting to prevent brake fluid loss and contamination.




4. Remove the wheel cylinder bolts (1).




5. Spread the top of the brake shoes slightly and remove the wheel cylinder (1).

Installation Procedure




1. Spread the top of the brake shoes slightly and install the wheel cylinder (1).





Caution: Refer to Fastener Caution (Fastener Caution).

2. Remove the wheel cylinder bolts (1) and tighten to 8 Nm (71 lb in).




3. Connect the wheel cylinder brake pipe fitting (1) and tighten to 19 Nm (14 lb ft).
4. Install the brake drum. Refer to Brake Drum Replacement (Removal and Replacement).
5. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding (Rear Brake Caliper - Cobalt SS) (Service and Repair)Hydraulic Brake System Bleeding (Manual) (Service and Repair)Hydraulic Brake System Bleeding (Pressure) (Service and Repair).
6. Adjust the drum brakes. Refer to Drum Brake Adjustment (Adjustments).