Envoy 2WD L6-4.2L (2008)
Air Injection Control Valve: Service and Repair
Secondary Air Injection Solenoid Valve Replacement
Removal Procedure
1. Remove the air cleaner outlet resonator.
2. Disconnect the electrical connector from the secondary air injection (AIR) reaction solenoid valve.
3. Disconnect the AIR pump air outlet pipe from the AIR solenoid valve.
4. Remove the nut (1) securing the transmission fluid level indicator tube (2) to the AIR solenoid valve.
5. Remove the transmission fluid level indicator tube (2) from the AIR solenoid valve stud (3).
6. Remove the 2 AIR solenoid valve studs (3).
7. Remove the AIR solenoid valve (4) and the gasket (5) from the engine.
Installation Procedure
