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Home >> Chevrolet >> 2009 >> Chevy Express G3500, Van Passenger Extended >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Control System & Fuel System - 4.3L - Introduction) >> Repair Instructions >> Mass Airflow Sensor with Intake Air Temperature Sensor Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Identifying Mass Airflow Sensor/Intake Air Temperature Sensor
    GM1934979Courtesy of GENERAL MOTORS CORP.
  1. Loosen the air cleaner outlet duct clamp (1) at the mass airflow (MAF)/Intake air temperature (IAT) sensor.
  2. Remove the air cleaner outlet duct (2) from the MAF/IAT sensor and position out of the way.
    3. Fig 2: Identifying Engine Wiring Harness Electrical Connector & MAF/IAT Sensor
    GM1934890Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the engine wiring harness electrical connector (6) from the MAF/IAT sensor (5).
    4. Fig 3: Identifying MAF/IAT Sensor & Bolts
    GM1934895Courtesy of GENERAL MOTORS CORP.
  4. Remove the MAF/IAT sensor bolts (2).
  5. Remove the MAF/IAT sensor (1) from the air cleaner housing.
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