GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 TrailBlazer - 2WD 🢒 Engine 🢒 Engine Controls and Fuel - 4.2L 🢒 Air Cleaner Element Replacement

Removal Procedure
  1. Remove the radiator support diagonal brace if applicable. Refer to Radiator Support Diagonal Brace Replacement .

    2. Object Number: 1297836 Size: SH
  2. Disconnect the secondary air injection (AIR) reaction pump inlet hose from the air cleaner air outlet duct.

    3. Object Number: 1361132 Size: SH
  3. Loosen the 3 air cleaner housing retaining screws (1).
  4. Remove the air cleaner housing (2).
  5. Lift the air cleaner element (6) and air outlet duct (3) from the lower air cleaner housing/washer solvent tank assembly (4).
  6. Remove the air cleaner element (6) from the air outlet duct (3) with a twisting and pulling motion.
  7. Inspect the entire assembly for dust, debris, or water. Clean or replace as necessary.

Installation Procedure

    Object Number: 1361132 Size: SH
  1. Install the air cleaner element (6) onto the air outlet duct (3) with a twisting and pushing motion.
  2. Install the air cleaner element (6) and air outlet duct (3) into the lower air cleaner housing/washer solvent tank assembly (4).

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

    Important: Ensure the air inlet duct (5) is properly positioned in the lower air cleaner housing/washer solvent tank assembly (4) before installing the air cleaner housing (2).

  3. Install the air cleaner housing (2).

    4. Tighten
    Tighten the 3 air cleaner housing retaining screws (1) to 4 N·m (35 lb in).


    Object Number: 1297836 Size: SH
  4. Connect the AIR pump inlet hose to the air cleaner air outlet duct.
  5. Install the radiator support diagonal brace if applicable. Refer to Radiator Support Diagonal Brace Replacement .