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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 210 (Hydraulic Brake System) >> Repair Instructions >> Brake Master Cylinder Primary Piston Position Sensor Replacement >> Removal Procedure

Removal Procedure

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  1. Place the ignition switch in the OFF position.
  2. Disconnect the primary piston position sensor electrical connector.
  3. Fig 1: Primary Piston Position Sensor Screws & Primary Piston Position Sensor
    GM1892243Courtesy of GENERAL MOTORS CORP.
  4. Remove the 2 primary piston position sensor screws (1).
  5. Remove the primary piston position sensor (2).

    Tilt the rear of the position sensor downward and remove the sensor.