Section 03-04B: Fuel Charging and Controls—5.0L
1994 Mustang Workshop Manual
REMOVAL AND INSTALLATION

Fuel Pressure Relief Valve

SPECIAL SERVICE TOOL(S) REQUIRED
Description Tool Number
Fuel Pressure Gauge T80L-9974-B

NOTE: Fuel pressure relief valve cap (9H323) on fuel pressure relief valve (9H321) must be removed.

  1. If fuel injection supply manifold (9F792) is mounted to engine, remove fuel tank filler cap (9030) , then release pressure from system at fuel pressure relief valve on fuel injection supply manifold , using Fuel Pressure Gauge T80L-9974-B.
  1. Using an open-end wrench or suitable deep-well socket, remove fuel pressure relief valve .
 

Installation

  1. 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).