Installation Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2004 GMC Yukon XL, 2004 GMC Yukon, 2004 Chevrolet Tahoe, 2004 Chevrolet Suburban, and 2004 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Air Cleaner Assembly, MAF/IAT Sensor & Clamp

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: If the MAF/IAT sensor is installed backwards, the fuel system goes rich. An arrow cast into the plastic portion of the sensor indicates proper air flow direction. The arrow must point toward the engine.

NOTE: Refer to Fastener Notice in Cautions and Notices.

If necessary, install the MAF/IAT sensor.
If necessary, tighten the MAF/IAT clamp.
Tighten: Tighten the clamp to 7 N.m (62 lb in).

Fig 2: View Of Air Cleaner Assembly & Adaptor

Courtesy of GENERAL MOTORS CORP.

Position the air cleaner assembly (1) onto the air cleaner adaptor (2).
Push down on the air cleaner assembly in order to secure the assembly to the adaptor.

Fig 3: View Of Auxiliary Battery Relay, MAF, IAT & Coolant Level Sensor Electrical Connectors

Courtesy of GENERAL MOTORS CORP.

Connect the MAF/IAT sensor electrical connector (4).
Install the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement .