Air Cleaner Outlet Duct Replacement for GMC Truck Sierra - 4WD 2008

1. Loosen the outlet duct clamps at the air cleaner assembly and the turbocharger.
2. Remove the air cleaner outlet duct.

Important: The air cleaner outlet duct must be fully seated against the positive stop feature on the turbocharger inlet and also must be fully seated against the positive stop features on both sides of the air cleaner assembly.

Notice: Refer to Fastener Notice in the Preface section.




1. Install the air cleaner outlet duct.
2. Tighten the outlet duct clamps at the turbocharger and the air cleaner assembly.

Tighten
Tighten the clamps to 4 N·m (35 lb in).