Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 Chevrolet TrailBlazer, and 2004 Buick Rainier. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Removing/Installing Air Cleaner Assembly

Courtesy of GENERAL MOTORS CORP.

Remove the air cleaner cover (2), the filter element (6), the mass air flow (MAF)/intake air temperature (IAT) sensor (3), and the air inlet duct (5) from the lower air cleaner housing/washer solvent tank assembly (4). Refer to Air Cleaner Element Replacement .

Fig 2: Locating Electrical Connectors

Courtesy of GENERAL MOTORS CORP.

Disconnect the following electrical connectors:
- Windshield washer pump (1)
- Headlamp washer pump (2), if equipped
- Low solvent level sensor (4)
- Lift gate washer pump (6), if equipped
Remove the washer solvent level sensor wire harness from the wire harness retaining clips (3, 5).

Fig 3: Disconnecting/Connecting Headlamp Washer Hose

Courtesy of GENERAL MOTORS CORP.

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.

Fig 4: Removing/Installing Lower Air Filter Housing/Washer Solvent Tank Assembly

Courtesy of GENERAL MOTORS CORP.

Disconnect the washer pump hoses (3) and plug the washer pump outlet ports to prevent loss of washer solvent.
Remove the 2 air cleaner housing/washer solvent tank assembly retaining nuts (1) from the mounting studs.
Lift the lower air filter housing/washer solvent tank assembly (2) off of the studs and remove the assembly.