Lucerne V8-4.6L (2008)
Air Injection Check Valve: Service and Repair
Secondary Air Injection Check Valve Replacement
Removal Procedure
1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement (See: Fuel Delivery and Air Induction/Fuel Injector/Service
and Repair/Fuel Injector Sight Shield Replacement).
2. Disconnect the engine harness electrical connector (4) from the secondary air injection (AIR) check valve.
3. Pinch the constant tension clamp (1) and remove the AIR pipe from the AIR check valve.