Removal & Installation
Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel-related components. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in personal injury.
Fuel in the fuel system remains under high pressure even when the engine is not running. Before working on or disconnecting any of the fuel lines or fuel system components, the fuel system pressure must be relieved. Failure to follow these instructions may result in personal injury.
- Disconnect the negative battery cable.
- Properly relieve the fuel system pressure, as outlined in this section.
- Disconnect the vacuum lines from the intake manifold and fuel pressure sensor.
Disconnect the fuel pressure sensor electrical connection.
WARNINGAfter disconnecting, plug the fuel line(s) to prevent fuel leakage.
- Disconnect the fuel line.
- Disconnect the eight fuel injector electrical connections.
- Position the engine control sensor wiring out of the way.
Remove the four bolts and the four studs.
Remove the fuel injection supply manifold with the fuel injectors attached.
- Inspect the fuel injection supply manifold. Install a new fuel injection supply manifold as necessary.
Install the fuel supply manifold and tighten the bolts as follows:
- Stage 1: Tighten to 15 ft. lbs. (20 Nm).
- Stage 2: Tighten an additional 85-95 degrees.
- Install the fuel supply line
- Attach the injector wiring connectors
- Connect the fuel pressure sensor vacuum line and wiring connector
- Connect the negative battery cable
- Start the engine and check for leaks.