LEMON Manuals: Even more car manuals for everyone
Home >> Buick >> 2018 >> Encore Preferred, AWD >> Repair and Diagnosis (Single Page) >> Brakes >> Mechanical - Hydraulic >> Drum Brake System >> Repair Instructions >> Rear Brake Cylinder Overhaul >> Disassembly Procedure

Disassembly Procedure

    WARNING:

    Refer to Brake Dust Warning .

    WARNING:

    Refer to Brake Fluid Irritant Warning .

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the rear brake cylinder. Refer to Rear Brake Cylinder Replacement .
  3. GM2507691

    Remove and discard the brake cylinder dust seals (1).

  4. GM2507692

    Remove the brake cylinder pistons (1) and spring (2).

  5. Remove and discard the brake cylinder piston seals.
  6. Inspect the brake cylinder bore for excessive corrosion, scoring, nicks, and pitting.
  7. If the brake cylinder bore exhibits the above conditions, the brake cylinder assembly requires replacement.
  8. Remove light corrosion in the cylinder bore with a fine crocus cloth.
  9. Thoroughly clean the brake cylinder and pistons with denatured alcohol and dry with filtered, non-lubricated compressed air.