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Home >> Chevrolet >> 2021 >> Blazer RS, FWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Repair Instructions >> Brake Master Cylinder Replacement >> Installation Procedure

Installation Procedure

  1. Brake Master Cylinder Reservoir - Install - Brake Master Cylinder Reservoir Replacement (without JEO) , or Brake Master Cylinder Reservoir Replacement (with JEO) 
  2. Bench bleed the brake master cylinder. Brake Master Cylinder Bench Bleeding 
  3. GM4285070Courtesy of GENERAL MOTORS COMPANY

    Brake Master Cylinder Gasket (1) - Install NEW

  4. GM4285067Courtesy of GENERAL MOTORS COMPANY

    Brake Master Cylinder Assembly (1) - Install

  5. GM4285064Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Install NEW nuts. Do NOT reuse old nuts.

    Brake Master Cylinder Nut (1) - Install and tighten 49 N.m (36 lb ft) [2x]

  6. GM4285063Courtesy of GENERAL MOTORS COMPANY

    Brake Pressure Modulator Valve Master Cylinder Reservoir Rear Brake Pipe Fitting (1) - Install - Brake Pressure Modulator Valve Master Cylinder Reservoir Rear Pipe Replacement 

  7. GM4285116Courtesy of GENERAL MOTORS COMPANY

    Brake Pressure Modulator Valve Master Cylinder Reservoir Front Brake Pipe Fitting (1) - Install - Brake Pressure Modulator Valve Master Cylinder Reservoir Front Pipe Replacement 

  8. Brake Fluid Level Indicator Switch Electrical Connector - Connect
  9. Reposition and install the radiator surge tank. - Radiator Surge Tank Replacement (LCV) , or Radiator Surge Tank Replacement (LGX) , or Radiator Surge Tank Replacement (LSY)
  10. Bleed the brake system. Hydraulic Brake System Bleeding (Manual without JEO) , or Hydraulic Brake System Bleeding (Pressure without JEO) , or Hydraulic Brake System Bleeding (Pressure with JEO)