Removal Procedure
WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect the mass airflow sensor wiring harness plug (2).
- Unclip the ECM wiring harness (3) from the air cleaner housing.
- Remove the air cleaner outlet duct (1). Refer to Air Cleaner Outlet Duct Replacement .
Remove the mass air flow sensor (3) from the air cleaner upper housing (2). Refer to Mass Airflow Sensor Replacement .
- Remove the 6 air cleaner housing cover bolts (1).
- Remove the air cleaner upper housing (2).