Aerostar V6-183 3.0L (1986)
Pressure Relief Valve: Service and Repair
4-140 & V6-183 Engines
1.
Remove fuel tank cap, if fuel charging assembly is mounted to the engine, then release pressure from system by opening the pressure relief valve
on the fuel line using a suitable tool. Cap on relief valve must be removed.
2.
Remove pressure relief valve from fuel line using a suitable wrench.
3.
Reverse procedure to install. Torque valve to 48 - 84 inch lbs. and cap to 4 - 6 inch lbs.