Fuel Rail: Service and Repair

FUEL INJECTION SUPPLY MANIFOLD

REMOVAL

WARNING:
- 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.

1. Relieve the fuel pressure.
2. Remove the upper intake manifold.

NOTE: After disconnecting, plug the fuel lines to prevent leakage.

3. Disconnect the fuel lines.







4. Disconnect the fuel pressure regulator vacuum hose.







5. NOTE: The left side is shown, the right side is similar.

Disconnect the eight fuel injector electrical connectors.







6. Remove the fuel injection supply manifold.
- Remove the bolts then remove the fuel injection supply manifold with the fuel injectors attached.

7. Remove the fuel injectors from the fuel injection supply manifold.







8. Inspect the two O-ring seals from each fuel injector. Install new O-ring seals as needed.

INSTALLATION







1. NOTE: Lubricate the new O-rings with clean engine oil to aid installation.

To install, reverse the removal procedure.