W350 1 Ton Pickup 4WD V8-360 5.9L VIN W 4-bbl (1983)
EFE Valve: Service and Repair
1.
Disconnect exhaust pipe from exhaust manifold.
2.
Disconnect vacuum line from valve, then remove the valve assembly.
3.
Reverse procedure to install.
EFE Valve: Service and Repair
1.
Disconnect exhaust pipe from exhaust manifold.
2.
Disconnect vacuum line from valve, then remove the valve assembly.
3.
Reverse procedure to install.