GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2005 🢒 Terraza Ext. 🢒 Engine 🢒 Engine Controls - 3.5L (LX9) 🢒 Mass Airflow Sensor Replacement

Removal Procedure
  1. Turn OFF the ignition.

    2. Object Number: 1544729 Size: SH
  2. Disconnect the mass air flow (MAF) sensor electrical connector (1).
  3. Remove the air inlet duct . Refer to Air Cleaner Inlet Duct Replacement .
  4. Remove the MAF sensor (2) from the air filter housing.

Installation Procedure

    Object Number: 1544729 Size: SH
  1. Install the MAF sensor (2) to the air filter housing.
  2. Install the air inlet duct . Refer to Air Cleaner Inlet Duct Replacement .
  3. Connect the MAF sensor electrical connector (1).
  4. Start and idle the engine.
  5. Inspect the air intake duct for leaks.