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Home >> Hummer >> 2009 >> H3 Alpha >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 5.3L - Introduction >> Repair Instructions >> Manifold Absolute Pressure Sensor Replacement >> Installation Procedure
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Installation Procedure

IMPORTANT: Lightly coat the MAP sensor seal with clean engine oil before installing the sensor.
    Fig 1: MAP Sensor Retainer & Intake Manifold
    GM1897168Courtesy of GENERAL MOTORS CORP.
  1. Install the MAP sensor (2) into the intake manifold.
  2. Install the MAP sensor retainer (2) to the intake manifold.
    3. Fig 2: Engine Wiring Harness Electrical Connector & MAP Sensor
    GM1897166Courtesy of GENERAL MOTORS CORP.
  3. Connect the engine wiring harness electrical connector (3) to the MAP sensor.
  4. Install the upper intake manifold cover. Refer to Upper Intake Manifold Sight Shield Replacement .
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