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Home >> Chevrolet >> 2001 >> C3500 HD 8.1 G, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 8.1L - Repair Instructions >> Repair Instructions >> Manifold Absolute Pressure Sensor Replacement >> Removal Procedure
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Removal Procedure

    Fig 1: Sight Shield, Intake Manifold, MAP Sensor Electrical Connector & Fasteners
    GM684798Courtesy of GENERAL MOTORS COMPANY
  1. Loosen the fastener (4) from the intake manifold sight shield .
  2. Remove the sight shield (1) from the intake manifold (3).
  3. Disconnect the manifold absolute pressure (MAP) sensor electrical connector (2).
    4. Fig 2: View Of Manifold Absolute Pressure Sensor
    GM684801Courtesy of GENERAL MOTORS COMPANY
  4. Remove the MAP sensor retaining bolt and washer (1).
  5. Remove the MAP sensor (3) from the intake manifold (2).
  6. Inspect the MAP sensor seal for wear or damage and replace as necessary.
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