GM Service Manual Online
For 1990-2009 cars only
Makes šŸ¢’ Chevrolet šŸ¢’ 2007 šŸ¢’ TrailBlazer - 4WD šŸ¢’ Engine šŸ¢’ Engine Controls and Fuel - 4.2L šŸ¢’ 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). Refer to Air Cleaner Element Replacement.
    2. ā€¢ The air cleaner cover (2)
    ā€¢ The filter element (6)
    ā€¢ The mass air flow (MAF) /intake air temperature (IAT) sensor (3)
    ā€¢ The air inlet duct (5)

    Object Number: 907812 Size: SH
  2. Disconnect the following electrical connectors:
    3. ā€¢ The windshield washer pump (1)
    ā€¢ The headlamp washer pump (2), if equipped
    ā€¢ The low solvent level sensor (4)
    ā€¢ 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. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the 2 retaining nuts (1) to the mounting studs on the air cleaner housing/washer solvent tank assembly.

    4. Tighten
    Tighten the nuts to 15 NĀ·m (11 lb ft).


    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. ā€¢ The windshield washer pump (1)
    ā€¢ The headlamp washer pump (2)
    ā€¢ The low solvent level sensor (4)
    ā€¢ 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). Refer to Air Cleaner Element Replacement.
    8. ā€¢ The air cleaner cover (2)
    ā€¢ The filter element (6)
    ā€¢ The mass air flow (MAF) /intake air temperature (IAT) sensor (3)
    ā€¢ The air inlet duct (5)