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

Removal Procedure

    Object Number: 1217755 Size: SH
  1. Remove the following components from the lower air cleaner housing/washer solvent tank assembly (4):
    2. • The air cleaner cover (2)
    • The filter element (6)
    • The mass air flow (MAF)/intake air temperature (IAT) sensor (3)
    • The air inlet duct (5)
    • Refer to Air Cleaner Element Replacement.

    Object Number: 907812 Size: SH
  2. Disconnect the following electrical connectors:
    3. • The windshield washer pump (1)
    • The headlamp washer pump (2), if equipped
    • The low solvent level sensor (4)
    • The lift gate washer pump (6), if equipped
  3. Remove the wire harness to the washer solvent level sensor from the retaining clips (3, 5).

    4. Object Number: 1362808 Size: SH
  4. If applicable, disconnect the headlamp washer hose from the headlamp washer pump located on the lower air cleaner housing/washer solvent tank. Cap the headlamp washer pump outlet fitting to prevent loss of washer solvent.

    5. Object Number: 1361746 Size: SH
  5. Disconnect the washer pump hoses (3) and plug the outlet ports to prevent loss of washer solvent.
  6. Remove the 2 retaining nuts (1) from the mounting studs on the air cleaner housing/washer solvent tank assembly.
  7. Lift the lower air filter housing/washer solvent tank assembly (2) off of the studs and remove the assembly.

Installation Procedure

    Object Number: 1361746 Size: SH
  1. Install the lower air filter housing/washer solvent tank assembly (2) onto the mounting studs.
  2. Connect the washer pump hoses (3) to the washer pumps.

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

  3. Install the 2 retaining nuts (1) to the mounting studs on the air cleaner housing/washer solvent tank assembly. Tighten the nuts to 15 N·m (11 lb ft).

    4. Object Number: 1362808 Size: SH
  4. If applicable, connect the washer hose to the headlamp washer pump located on the lower air cleaner housing/washer solvent tank.

    5. Object Number: 907812 Size: SH
  5. Connect the following electrical connectors:
    6. • The windshield washer pump (1)
    • The headlamp washer pump (2)
    • The low solvent level sensor (4)
    • The lift gate washer pump (6)
  6. Install the wire harness for the washer solvent level sensor to the wire harness retaining clips (3, 5).

    7. Object Number: 1217755 Size: SH
  7. Install the following components to the lower air cleaner housing/washer solvent tank assembly (4):
    8. • The air cleaner cover (2)
    • The filter element (6)
    • The MAF/IAT sensor (3)
    • The air inlet duct (5)
    • Refer to Air Cleaner Element Replacement.