Fuel Pressure Test Port: Service and Repair

REMOVAL
1. If fuel injection supply manifold is mounted to engine, remove fuel tank filler cap. Remove fuel pressure relief valve cap, observe fuel pressure release procedure and relieve pressure from system at fuel pressure relief valve using Multiport Fuel Injection (MFI) Fuel Pressure Gauge T80L-9974-B.
2. Using an open-end wrench or suitable deep well socket, remove fuel pressure relief valve.

INSTALLATION
1. Install fuel pressure relief valve. Tighten fuel pressure relief valve to 7.75 N.m (66 lb-in).
2. Observe fuel pressure release, post-service procedures.
3. Install fuel pressure relief valve cap and tighten securely to 0.7 N.m (6 lb-in).