Emission Hose Routing Diagram (L26, NU3)
WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
| Callout | Component Name |
|---|---|
| 1 | To Vacuum Brake Booster |
| 2 | AIR Check Valve |
| 3 | AIR Pressure Sensor |
| 4 | AIR Pipe to Exhaust Manifold |
| 5 | Exhaust Gas Recirculation (EGR) Valve |
| 6 | EVAP Purge Line |
| 7 | EVAP Service Port |
| 8 | EVAP Canister Purge Solenoid Valve |
| 9 | AIR Pump Outlet Pipe |
| 10 | Throttle Actuator Control (TAC) Assembly |
| 11 | Air Intake Duct |
| 12 | Mass Airflow (MAF)/Intake Air Temperature (IAT) Sensor |
| 13 | Air Cleaner Assembly |
| 14 | AIR Pump Fresh Air Inlet Tube |
| 15 | AIR Pump |
| 16 | AIR Pump Outlet Pipe |
| 17 | Breather Tube |
| 18 | Intake Manifold |
| 19 | Manifold Absolute Pressure (MAP) Sensor |