Mass Air Flow/Intake Air Temperature Sensor (5.3L): Removal
WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Use care when handling the Mass Air Flow/Intake Air Temperature (MAF/IAT) sensor. Do not dent, puncture, or otherwise damage the honeycell located at the air inlet end of the MAF/IAT. Do not touch the sensing elements or allow anything including cleaning solvents and lubricants to come in contact with them. Use a small amount of a non-silicone based lubricant, on the air duct only, to aid in installation.
- Disconnect the MAF/IAT sensor electrical connector. See Figure.
- Loosen the clamps at the MAF/IAT sensor and the throttle body. See Figure.
- Remove the air cleaner outlet duct bolt.
- Remove the air cleaner outlet duct.
- Loosen the clamp attaching the MAF/IAT sensor to the air cleaner housing.
- Remove the MAF/IAT sensor from the air cleaner housing.