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Home >> Chevrolet >> 2002 >> C3500 HD 8.1 G, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 8.1L >> Repair Instructions >> Manifold Absolute Pressure (MAP) Sensor Replacement >> Removal Procedure
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Removal Procedure

  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).
    Fig 1: Intake Manifold, Sight Shield, MAP Sensor Electrical Connector & Fastener
    G01598877Courtesy of GENERAL MOTORS CORP.
  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.
    Fig 2: MAP Sensor, Intake Manifold, Bolts & Washer
    G01598878Courtesy of GENERAL MOTORS CORP.
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