GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 Sierra Denali 🢒 Engine 🢒 Engine Controls and Fuel - 6.6L 🢒 Intake Air Valve Replacement

Removal Procedure

    Object Number: 1871112 Size: SH
  1. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.
  2. Remove the charge air cooler outlet pipe. Refer to Charge Air Cooler Outlet Pipe Replacement.
  3. Disconnect the engine wiring harness electrical connector (2) from the intake air valve.

    4. Object Number: 1871113 Size: SH
  4. Remove the upper intake manifold brace bolts and brace.

    5. Object Number: 1871114 Size: SH
  5. Remove the intake air valve bolts (1), nuts (2) and valve.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1871114 Size: SH
  1. Position the intake air valve to the intake pipe and install the intake air valve bolts (1) and nuts (2).

    2. Tighten
    Tighten the bolts to 20 N·m (15 lb ft).


    Object Number: 1871113 Size: SH
  2. Install the upper intake manifold brace and bolts.

    3. Tighten
    Tighten the bolts to 24 N·m (18 lb ft).


    Object Number: 1871112 Size: SH
  3. Connect the engine wiring harness electrical connector (2) to the intake air valve.
  4. Install the charge air cooler outlet pipe. Refer to Charge Air Cooler Outlet Pipe Replacement.
  5. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.