Fuel Pressure Test Port: Service and Repair

Fuel Injection Supply Manifold:

REMOVAL


1. If fuel injection supply manifold 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 T80L-9974-B.

NOTE: Fuel pressure relief valve cap on fuel pressure relief valve must be removed.

2. Using an open-end wrench or suitable deep well socket, remove fuel pressure relief valve.

INSTALLATION

Install fuel pressure relief valve and fuel pressure relief valve cap. Tighten fuel pressure relief valve to 7.75 Nm (66 lb in) and the fuel pressure relief valve cap to 0.6 Nm (5.5 lb in).