Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

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.

If necessary, install the MAF/IAT sensor.
NOTE: Refer to Fastener Notice in Cautions and Notices.

Fig 1: View Of Air Cleaner Assembly, MAF/IAT Sensor & Clamp
Courtesy of GENERAL MOTORS CORP.
Tighten the MAF/IAT sensor clamp.
Tighten: Tighten the clamp to 7 N.m (62 lb in).

Fig 2: View Of MAF/IAT Sensor Electrical Connectors

Courtesy of GENERAL MOTORS CORP.

Connect the MAF/IAT sensor electrical connector (3).
Install the intake air resonator. Refer to Intake Air Resonator Replacement .