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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 94 (Drum Brake System) >> Repair Instructions >> Rear Brake Cylinder Overhaul >> Assembly Procedure

Assembly Procedure

WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
  1. Lightly lubricate the new piston seals and brake cylinder bore with GM approved brake fluid from a clean, sealed, brake fluid container.
  2. Assemble the new piston seals with the lip of the seals facing inward to the brake cylinder pistons.
  3. Install the brake cylinder pistons (1) and spring (2) into the brake cylinder bore.
    Fig 1: Brake Cylinder Pistons & Spring
    GM2507692Courtesy of GENERAL MOTORS COMPANY
  4. Install the new brake cylinder dust seals (1).
    Fig 2: Brake Cylinder Dust Seals
    GM2507691Courtesy of GENERAL MOTORS COMPANY
    NOTE: Do not lubricate the brake cylinder dust seals.
  5. Install the rear brake cylinder. Refer to Rear Brake Cylinder Replacement .
  6. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding (Manual)Hydraulic Brake System Bleeding (Pressure) .
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