K 1500 Yukon XL 4WD V8-8.1L VIN G (2001)
Air Injection Control Valve: Service and Repair
Secondary Air Injection (AIR) Shut Off Valve Replacement
REMOVAL PROCEDURE
1. Release the clamp (4) securing the AIR hose to the AIR pump assembly base.
2. Release the clamp (5) securing the AIR hose to the AIR pump shut-off valve.
3. Remove the AIR hose from the AIR pump shut-off valve outlet port (3).
4. Remove the vacuum line (5) from the vacuum port (4) of the AIR pump shut-off valve.
5. Release the AIR pump shut-off valve inlet port (1) from the AIR pump outlet hose.
INSTALLATION PROCEDURE
