Section 03-04C: Fuel Charging and Controls, 7.5L Engine
1996 F-250, F-350 and F-Super Duty Vehicles Equipped with 7.5L MFI V-8 Engines Workshop Manual
REMOVAL AND INSTALLATION

Fuel Injection Supply Manifold

 
SPECIAL SERVICE TOOL(S) REQUIRED
DescriptionTool Number
Spring Lock Coupling Disconnect ToolT81P-19623-G1
Spring Lock Coupling Disconnect ToolT81P-19623-G2

Removal

  1. Perform pre-service procedures as described in Fuel Charging System in the Removal and Installation portion of this section.

  1. Remove upper intake manifold (9424). Refer to Section 03-01C.

  1. Remove fuel line-to-fuel supply manifold retainer clips.

  1. Disconnect vacuum hose at fuel pressure regulator (9C968).

  1.  WARNING: RELIEVE FUEL SYSTEM PRESSURE BEFORE DISCONNECTING COUPLING.

    Using Spring Lock Coupling Disconnect Tool T81P-19623-G1 (3/8-Inch) or T81P-19623-G2 (1/2-Inch), disconnect fuel hoses at the fuel rail supply tube and fuel rail return tube.

    1. Fit tool to coupling so tool can enter cage to release garter spring.
    1. Push the tool into the cage opening to release female fitting from garter spring.
    1. Pull the coupling male and female fittings apart.
    1. Remove the tool from the disconnected coupling.

  1. Remove four fuel injection supply manifold retaining bolts.

  1. Carefully disengage fuel injection supply manifold (9F792) from fuel injectors (9F593) and remove fuel injection supply manifold.

Installation

  1. Make sure injector caps are clean and free of contamination.

  1. Place the fuel injection supply manifold over each of the fuel injectors and seat fuel injectors into fuel injection supply manifold. Make sure fuel injectors are properly seated.

  1. Secure fuel injection supply manifold using four retaining bolts. Tighten to 8-12 Nm (70-105 lb-in).

  1. Connect fuel inlet and outlet lines at fuel injection supply manifold connections. Push in to connect.

  1. Install fuel line-to-fuel injection supply manifold retaining clips.

  1. Connect vacuum hose to fuel pressure regulator.

  1. Install upper intake manifold. Refer to Section 03-01C.

  1. Perform Post-Service procedures as described in Fuel Charging System in the removal and installation portion of this section.