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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Mechanical - 6.6L - On Vehicle Repair Instructions) >> On-Vehicle Repair Instructions >> Intake Manifold Replacement - Center >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Install NEW center intake manifold gaskets.
  2. Install the center intake manifold.
    Fig 1: View Of Center Intake Manifold
    GM1335931Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  3. Install the center intake manifold bolts/nuts.

    Tighten:  Tighten the bolts/nuts to 10 N.m (89 lb in).

  4. Install the IAT sensor (2).
    Fig 2: IAT Sensor Electrical Connector
    GM1602068Courtesy of GENERAL MOTORS CORP.

    Tighten:  Tighten the sensor to 10 N.m (89 lb in).

  5. Connect the IAT sensor electrical connector (1).
  6. Install the turbocharger. Refer to Turbocharger Replacement .
  7. Install 2 NEW O-rings onto the intake manifold tube.
  8. Lubricate the O-rings with clean engine oil to aid in the installation.
  9. Install the intake manifold tube.
    Fig 3: View Of Intake Manifold Tube
    GM1335575Courtesy of GENERAL MOTORS CORP.
  10. Install the EGR valve cooler tube. Refer to Exhaust Gas Recirculation (EGR) Valve Cooler Tube Replacement .
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