LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hummer >> 2006 >> H3 L5-3.5L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Air Flow Meter/Sensor >> Service and Repair
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Air Flow Meter/Sensor: Service and Repair



MASS AIR FLOW (MAF)/INTAKE AIR TEMPERATURE (IAT) SENSOR REPLACEMENT

REMOVAL PROCEDURE




1. Disconnect the electrical connector from the mass air flow (MAF)/intake air temperature (IAT) sensor.
2. Remove the screws securing the MAF/IAT sensor to the air cleaner assembly.
3. Remove the MAF/IAT sensor from the air cleaner assembly.

INSTALLATION PROCEDURE




1. Insert the MAF/IAT sensor into the air cleaner assembly.

NOTE:
- Handle the MAF sensor carefully.
- Do not drop the MAF sensor in order to prevent damage to the MAF sensor.
- Do not damage the screen located on the air inlet end of the MAF.
- Do not touch the sensing elements.
- Do not allow solvents and lubricants to come in contact with the sensing elements.
- Use a small amount of a soap based solution in order to aid in the installation.

2. Install the screws securing the MAF/IAT sensor to the air cleaner assembly.

Tighten the screws to 2.25 N.m (20 lb in).

NOTE: Refer to Fastener Notice in Service Precautions.

3. Connect the electrical connector to the MAF/IAT sensor.