C 1500 Truck 2WD V6-262 4.3L VIN Z (1992)
Air Injection Check Valve: Service and Repair
AIR System
REMOVAL:
1.
Remove any parts necessary to access check valve.
2.
Remove release clamp and disconnect air hoses from check valves.
3.
Unscrew check valve from AIR injection pipe.
CAUTION: Always hold AIR pipe assembly when removing check valve, as damage may occur due to the AIR pipe assembly twisting. It may be
necessary to apply penetrant oil to the valve to help in removal.
INSTALLATION:
1.
Screw the check valve onto the AIR injection pipe.
CAUTION: Always hold AIR pipe assembly when installing the check valve, as damage may occur due to the AIR pipe assembly twisting.
2.
Position the air hose on the check valve and secure with clamp.
3.
Install or connect any parts removed for access.
4.
Check to ensure correct operation of system.
