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Home >> Buick >> 2011 >> Lucerne CXL >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 3.9L - Repair Instructions >> Repair Instructions >> Mass Airflow Sensor with Intake Air Temperature Sensor Replacement
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Mass Airflow Sensor with Intake Air Temperature Sensor Replacement

Fig 1: Identifying Mass Airflow Sensor/Intake Air Temperature Sensor
GM2147131Courtesy of GENERAL MOTORS COMPANY
Mass Airflow Sensor with Intake Air Temperature Sensor Replacement

Callout Component Name
Preliminary Procedure 
Disconnect the air outlet duct from the mass air flow sensor. Refer to Air Cleaner Outlet Duct Replacement .
1 Mass Airflow Sensor/Intake Air Temperature Sensor Bolt (Qty: 2)
Tighten 
4 N.m (35 lb in)
2 Mass Airflow Sensor/Intake Air Temperature Sensor
Procedure 
Disconnect the electrical connector.