Thunderbird V8-281 4.6L SOHC (1994)
Fuel Pressure Relief Valve: Service and Repair
REMOVAL
Fuel Injection Supply Manifold
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 T8OL-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).
