Fuel Pressure Test Port: Service and Repair

REMOVAL

1. If fuel injection supply manifold assembly is mounted to engine, remove fuel tank filler cap, then release pressure from system at fuel pressure relief valve on fuel injection supply manifold using Fuel Pressure Gauge T8OL-9974-B.

2. Using an open-end wrench or suitable deep well socket. remove fuel pressure relief valve from fuel injection supply manifold.

INSTALLATION

Install pressure relief valve and cap. Tighten valve to 7.7 Nm (66 lb in) and the cap to 0.6 Nm (5 lb in).