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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1072 (Engine Mechanical - 6.6L (2 Of 5)) >> On-Vehicle Repair Instructions >> Center Intake Manifold Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Intake Manifold Tube
    GM1873384Courtesy of GENERAL MOTORS CORP.
  1. Remove the exhaust gas recirculation (EGR) valve cooler tube. Refer to Exhaust Gas Recirculation Valve Cooler Replacement .
  2. Remove the water outlet tube. Refer to Water Outlet Tube Replacement (LMM) .
  3. Remove the intake manifold tube.
  4. Remove and discard the 2 intake manifold tube gaskets.
  5. Remove the turbocharger. Refer to Turbocharger Replacement .
    6. Fig 2: View Of IAT Sensor & Electrical Connector
    GM1602068Courtesy of GENERAL MOTORS CORP.
  6. Disconnect the intake air temperature (IAT) sensor electrical connector (1).
  7. Remove the IAT sensor (2).
    8. Fig 3: View Of Center Intake Manifold
    GM1335931Courtesy of GENERAL MOTORS CORP.
  8. Remove the center intake manifold bolts/nuts.
  9. Pull-up the center intake manifold in order to remove.
  10. Remove and discard the gaskets.
  11. Clean the center intake manifold in cleaning solvent and air dry.
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