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Home >> Chevrolet >> 2011 >> Cutaway 6.6 L >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 6.6L (LGH) - Repair Instructions >> Repair Instructions >> Intake Air Heater Replacement >> Installation Procedure

Installation Procedure

    Fig 1: IAH Gasket
    GM1862035Courtesy of GENERAL MOTORS CORP.
  1. Position a NEW IAH gasket to the intake manifold tube and position the IAH to the intake manifold tube.
    2. Fig 2: Intake Air Valve Bolts
    GM1862033Courtesy of GENERAL MOTORS CORP.
    CAUTION:

    Refer to Fastener Caution .

  2. Install the throttle body assembly. Refer to Throttle Body Assembly Replacement .
    3. Fig 3: Engine Wiring Harness Electrical Connector
    GM1862030Courtesy of GENERAL MOTORS CORP.
  3. Install the positive battery cable and nut to the IAH and tighten to 4 N.m (34 lb in) .
  4. Connect the engine wiring harness electrical connector (2) to the intake air valve.
  5. Connect the engine wiring harness electrical connector (1) from IAH.
  6. Install the charge air cooler outlet pipe. Refer to Charge Air Cooler Outlet Pipe Replacement .
  7. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
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