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Home >> Chevrolet >> 2009 >> Cutaway 6.6 6 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 6.6L LMM - Introduction >> Repair Instructions >> Intake Air Heater Replacement >> Installation Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Installation Procedure

    Fig 1: View Of 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: Identifying Intake Air Valve Bolts
    GM1862033Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Fastener Caution .
  2. Position the intake air valve to the IAH and install the intake air valve bolts and tighten to 20 N.m (15 lb ft).
    3. Fig 3: View Of 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 the intake air heater (IAH).
  6. Install the charge air cooler outlet pipe. Refer to Charged Air Cooler Hoses/Pipes Replacement (Inlet) or Charged Air Cooler Hoses/Pipes Replacement (Outlet) .
  7. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
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