REMOVAL & INSTALLATION
See Figures 1 and 2
- If the fuel rail assembly is mounted to the engine, remove the fuel tank cap, then release system pressure at the Schrader valve on the fuel injection manifold, using Fuel Pressure Gauge T80L-9974-B or equivalent.
The cap on the relief valve must be removed.
- Using an open-end wrench or suitable deep well socket, remove the pressure relief valve from the fuel injection manifold.
- Install the pressure relief valve and the cap. Tighten the valve to 66 inch lbs. (7.4 Nm) and the cap to 5.5 inch lbs. (0.6 Nm).