2009 Hummer H3 Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Installation Procedure

    Fig 1: Identifying BPMV Gasket And EBCM With BPMV Assembly
    GM2193503Courtesy of GENERAL MOTORS CORP.
  1. Install a new BPMV gasket (1) to the brake master cylinder.
    2. NOTE: Ensure the locating pin is in the master cylinder body.
  2. Install the EBCM with BPMV assembly (2) to the brake master cylinder.
    3. Fig 2: Identifying Electronic Brake Control Module (EBCM) With BPMV Assembly Bolts
    GM2193502Courtesy of GENERAL MOTORS CORP.
  3. Loosely install the EBCM with BPMV assembly bolts (1) to properly locate the assembly before tightening the bolts.
    4. CAUTION: Refer to Fastener Caution .
  4. Tighten the EBCM with BPMV assembly bolts to 32 N.m (24 lb ft).
    5. Fig 3: Identifying Fluid Level Sensor Wiring Harness Bracket
    GM2193501Courtesy of GENERAL MOTORS CORP.
  5. Install the fluid level sensor wiring harness bracket (1).
    6. Fig 4: Identifying Fluid Level Sensor Wiring Harness Bracket Bolt
    GM2193498Courtesy of GENERAL MOTORS CORP.
  6. Install the fluid level sensor wiring harness bracket bolt (1) and tighten to 8 N.m (71 lb in).
  7. Install the power brake booster pump with accumulator as an assembly. Refer to Power Brake Booster Pump Replacement .
  8. Install the master cylinder reservoir. Refer to Master Cylinder Reservoir Replacement .
  9. Remove the brake master cylinder assembly from the CH-47830:  Holding Fixture.
  10. Install the brake master cylinder with power booster and control module assembly. Refer to Brake Master Cylinder with Power Brake Booster and Chassis Control Module Replacement (LHD) .
  11. Bleed the hydraulic system. Refer to Hydraulic Brake System Bleeding (Pressure with RPO BRM) or Hydraulic Brake System Bleeding (Pressure without RPO BRM) or Hydraulic Brake System Bleeding (Manual with RPO BRM) or Hydraulic Brake System Bleeding (Manual without RPO BRM) .
  12. Program the electronic brake and traction control module. Refer to Control Module References .
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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