Chevrolet Sonic Repair Manual: Rear Brake Cylinder Overhaul
- Disassembly Procedure
-
- Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
- Remove the rear brake cylinder. Refer to Rear Brake Cylinder Replacement.
- Remove and discard the brake cylinder dust seals (1).
- Remove the brake cylinder pistons (1) and spring (2).
- Remove and discard the brake cylinder piston seals.
- Inspect the brake cylinder bore for excessive corrosion, scoring, nicks, and pitting.
- If the brake cylinder bore exhibits the above conditions, the brake cylinder assembly requires replacement.
- Remove light corrosion in the cylinder bore with a fine crocus cloth.
- Thoroughly clean the brake cylinder and pistons with denatured alcohol and dry with filtered, non-lubricated compressed air.
Warning:
Refer to Brake Dust Warning.
Warning:
Refer to Brake Fluid Irritant Warning.
- Assembly Procedure
-
- Lightly lubricate the new piston seals and brake cylinder bore with GM approved brake fluid from a clean, sealed, brake fluid container.
- Assemble the new piston seals with the lip of the seals facing inward to the brake cylinder pistons.
- Install the brake cylinder pistons (1) and spring (2) into the brake cylinder bore.
- Install the new brake cylinder dust seals (1).
- Install the rear brake cylinder. Refer to Rear Brake Cylinder Replacement.
- Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding.
Note:
Do not lubricate the brake cylinder dust seals.
Rear Brake Backing Plate Replacement
Removal Procedure
Warning: Refer to Brake Dust Warning.
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
Remove the tire and wheel assembly. Refer ...
Rear Brake Cylinder Replacement
Removal Procedure
Warning: Refer to Brake Dust Warning.
Warning: Refer to Brake Fluid Irritant Warning.
Raise and support the vehicle. Refer to Lifting and Jacki ...
Other materials:
Environmental Fallout (Acid Rain)
Caution: Refer to Clearcoat/Ultraviolet Screeners Caution.
Note: Always refer to the manufacturer's packaged instructions for
the detailed procedures of materials used for compounding and/or polishing.
Since the severity of the condition varies from area to area, proper diagno ...
Rear Wheelhouse Liner Replacement (Hatchback - Right)
Rear Wheelhouse Liner Replacement
Callout
Component Name
Preliminary Procedure
Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and
Installation.
1
Rear Wheelhouse Panel Liner ...
Charge Air Cooler Outlet Air Hose Replacement
Removal Procedure
Remove the front bumper fascia. Refer to Front Bumper Fascia Replacement.
Loosen the clamp (1) at the charge air cooler outlet pipe (2) to throttle
body (3).
Disconnect the intake air pressure and temperature sensor harness connect ...
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