GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2006 🢒 TrailBlazer - 4WD 🢒 Engine 🢒 Engine Electrical 🢒 Air Cleaner Element Replacement

Removal Procedure
  1. Remove the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement.

    2. Object Number: 1204792 Size: SH
  2. Disconnect the mass air flow (MAF) / intake air temperature (IAT) sensor electrical connector (1).
  3. Remove the radiator support diagonal brace. Refer to Radiator Support Diagonal Brace Replacement.

    4. Object Number: 1217755 Size: SH
  4. Loosen the 4 air cleaner cover retaining screws (1).
  5. Remove the air cleaner housing cover (2). Lift and rotate the cover in order to remove the cover from the vehicle.
  6. Remove the air filter element (6) and the MAF/IAT sensor (3) from the lower air cleaner housing/washer solvent tank assembly (4).
  7. Separate the air filter element (6) from the MAF/IAT sensor (3).
  8. Inspect the entire assembly for dust, debris, or water. Clean or replace as necessary.

Installation Procedure

    Object Number: 1217755 Size: SH
  1. Install the MAF/IAT sensor (3) to the air filter element (6).
  2. Install the air filter element (6) and MAF/IAT sensor (3) to 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 cover (2).

  3. Install the air cleaner cover (2) and secure with 4 retaining screws (1).

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

  4. Install the radiator support diagonal brace. Refer to Radiator Support Diagonal Brace Replacement.

    5. Object Number: 1204792 Size: SH
  5. Connect the MAF/IAT sensor electrical connector (1).
  6. Install the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement.