B250 3/4 Ton Van L6-225 3.7L VIN H 1-bbl (1987)
Air Injection Control Valve: Service and Repair
1.
Remove air and vacuum hoses from air switching valve.
2.
Remove valve attaching screws, then the valve.
3.
Remove gasket material from valve and mounting surface.
4.
Reverse procedure to install, using a new gasket. Torque attaching screws to 125 inch lbs.