Installation Procedure

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.

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

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice in Cautions and Notices.

If necessary, install the MAF/IAT sensor.
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 .