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Home >> Hummer >> 2008 >> H3 Adventure, Automatic >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Repair Instructions >> Master Cylinder Reservoir Replacement >> Removal Procedure

Removal Procedure

CAUTION: Refer to Brake Fluid Irritant Caution .
  1. Using a suitable tool, remove the brake fluid from the master cylinder reservoir.

    Discard the brake fluid into an approved container.

  2. Remove the brake master cylinder and power brake booster assembly. Refer to Brake Master Cylinder with Power Brake Booster and Chassis Control Module Replacement (LHD) or Brake Master Cylinder with Power Brake Booster and Chassis Control Module Replacement (RHD) .
  3. Install the CH-47830  to the master cylinder assembly.
  4. Position the CH-47830  with the master cylinder assembly in a vise.
    5. Fig 1: Master Cylinder Reservoir & Attachments
    GM1749133Courtesy of GENERAL MOTORS CORP.
  5. Release the fluid level sensor electrical connector (6) from the bracket.
  6. Remove the master cylinder reservoir bolt (1).
  7. Remove the master cylinder reservoir roll pin (2).
  8. Remove the master cylinder reservoir (3).
    9. IMPORTANT:
    • The grommets for the brake master cylinder should remain in the brake master cylinder body.
    • There are 2 different size grommets. The 2 outer grommets are larger than the center grommet.
  9. Remove the grommets (4) and (5), if necessary.
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