Fuel Pressure Test Port: Service and Repair
REMOVAL1. If fuel injection supply manifold is mounted to engine, remove fuel tank tiller cap, then release pressure from System at fuel pressure relief valve on fuel injection supply manifold using Fuel Pressure Gauge T80L-9974-B.
Fuel Injection Supply Manifold:
2. Using a socket wrench, remove fuel pressure relief valve from fuel injection supply manifold.
INSTALLATION
Install fuel pressure relief valve and cap. Tighten fuel pressure relief valve to 3-6 Nm (27-53 lb in) and the cap to 1.0 Nm (9.0 lb in).