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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 220 (Engine Mechanical - 4.8L, 5.3L, 6.0L Or 6.2L (2 Of 5)) >> On-Vehicle Repair Instructions (1 Of 2) >> Engine Oil Pressure Sensor & Switch Replacement >> Removal Procedure

Removal Procedure

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    Fig 1: View Of Engine Harness Electrical Connectors & Inlet Hose Clamp
    GM1697098Courtesy of GENERAL MOTORS CORP.
  1. Remove the intake manifold. Refer to Intake Manifold Replacement (RPOs LY2/LY6)  or Intake Manifold Replacement (RPOs LC9/LMG/LY5/L76)  or Intake Manifold Replacement (RPO L92 - First Design)  or Intake Manifold Replacement (RPO L92 - Second Design) .
  2. Disconnect the engine harness electrical connector (1) from the oil pressure sensor.
    3. Fig 2: View Of Oil Pressure Sensor & Washer
    GM1403317Courtesy of GENERAL MOTORS CORP.
  3. If not equipped with active fuel management perform the following step, using J 41712  or equivalent, remove the oil pressure sensor (706) and washer (707). See Special Tools .
    4. Fig 3: View Of Oil Pressure Sensor, Washer & Valve Lifter Oil Filter
    GM1402008Courtesy of GENERAL MOTORS CORP.
  4. If equipped with active fuel management perform the following step, using J 41712  or equivalent, remove the oil pressure sensor (706) and washer (707). See Special Tools .
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