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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Repair Instructions >> Master Cylinder Reservoir Replacement >> Removal & Installation Procedure

Removal & Installation Procedure

    Fig 1: View Of Power Brake Booster Inlet Hose Clamp And Master Cylinder Reservoir
    GM1977784Courtesy of GENERAL MOTORS CORP.
  1. Install the 2 master cylinder reservoir grommets to the master cylinder, if removed.
  2. IMPORTANT: Apply a small amount of clean brake fluid from a sealed container to the master cylinder reservoir grommets prior to installing the reservoir.
  3. Release the power brake booster inlet hose clamp (1), connect the hose and install the master cylinder reservoir (2).
  4. NOTE: Refer to Fastener Notice .
    Fig 2: Identifying Master Cylinder Reservoir Bolt
    GM1977783Courtesy of GENERAL MOTORS CORP.
  5. Install the master cylinder reservoir bolt (1).

    Tighten:  Tighten the bolt to 2 N.m (18 lb in).

  6. Fig 3: Identifying Master Cylinder Reservoir Roll Pin
    GM1977782Courtesy of GENERAL MOTORS CORP.
  7. Install the master cylinder reservoir roll pin (1).
  8. Fig 4: Identifying Brake Fluid Level Sensor Electrical Connector
    GM1977781Courtesy of GENERAL MOTORS CORP.
  9. Install the brake fluid level sensor electrical connector (1) to the sensor bracket.
  10. Fig 5: Identifying Brake Master Cylinder And Power Brake Booster Assembly
    GM1977780Courtesy of GENERAL MOTORS CORP.
  11. Remove the CH-47830  (1) from the master cylinder assembly.
  12. Install the brake master cylinder and power brake booster assembly. Refer to Brake Master Cylinder with Power Brake Booster and Chassis Control Module Replacement .
  13. Fill the brake master cylinder reservoir. Refer to Master Cylinder Reservoir Filling .