GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2008 🢒 TopKick C-Series (Conventional) C4/C5 🢒 Engine 🢒 Engine Controls and Fuel - 7.8L (LF8) 🢒 Air Cleaner Outlet Duct Replacement

Removal Procedure

    Object Number: 1253436 Size: SH

    Notice: DO NOT remove any constant tension clamp retaining a bellow to an air cleaner elbow. Once a constant tension clamp is removed, the integrity of the clamp is damaged. The sealing joint between a bellow and the air cleaner bellow should not be broken. Once this joint is broken, the air cleaner duct assembly must be replaced.

  1. Remove the clamps from the air cleaner bellow to the air cleaner assembly.
  2. Remove the clamps from the inlet scoop and the air cleaner bellow.
  3. Remove the air cleaner duct assembly from the vehicle.

Installation Procedure

    Object Number: 1253436 Size: SH
  1. Install the air cleaner duct assembly on the vehicle.
  2. Install the clamps to the air cleaner duct bellow and the air inlet scoop.
  3. Install the clamps to the inlet scoop.

    4. Notice: Refer to Fastener Notice in the Preface section.

  4. Tighten the clamps.

    5. Tighten
    Tighten the clamps to 2.5 N·m (22 lb in).