buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Air Injection Check Valve|Locations|Page 5186 > < Air Injection Check Valve|Locations|Page 5184
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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.

Air Injection Check Valve|Locations|Page 5186 > < Air Injection Check Valve|Locations|Page 5184