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Home >> Chevrolet >> 2003 >> Tracker 2D Utility, 4WD, Standard >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Disc Brakes & Drum Brakes >> Overhaul >> Master Cylinder >> Disassembly (ABS)

Disassembly (ABS)

  1. Remove the reservoir from the master cylinder. See Figure . See MASTER CYLINDER RESERVOIR  under REMOVAL & INSTALLATION.
  2. Remove the master cylinder from the booster. See MASTER CYLINDER  under REMOVAL & INSTALLATION.
  3. Remove the piston stopper snap ring from the master cylinder. See Fig 1 . Remove the piston stopper. Remove the cylinder cup. Remove the plate.
  4. Pull the primary piston assembly carefully from the master cylinder in order to prevent damage to the inside of the cylinder wall.
  5. Remove the secondary piston assembly carefully from the master cylinder by tapping the flange on 2 pieces of wood or two soft objects. See Fig 2 .
  6. Remove the secondary piston pressure cup. Remove the piston cup. Remove the O-ring. Inspect the components for wear or damage. Replace the components if necessary.
    7. NOTE: DO NOT reuse piston cups
  7. Wash disassembled parts with brake fluid. Inspect the master cylinder bore for scoring or corrosion. Replace a damaged master cylinder.
    8. CAUTION: DO NOT use a cloth in order to dry the cylinder, because lint from a cloth will stick to the cylinder bore surfaces.
  8. Rinse the cylinder in clean brake fluid. Shake excess rinsing fluid from the cylinder.
Fig 1: Identifying Piston Stopper Snap Ring
G00284633Courtesy of GENERAL MOTORS CORP.
Fig 2: Removing Piston Assembly
G00284634Courtesy of GENERAL MOTORS CORP.
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