Fuel Injector: Service and Repair

FUEL INJECTION SUPPLY MANIFOLD AND FUEL INJECTOR

Disconnect Tool, Spring Lock Coupling (3/8 Inch):

SPECIAL TOOL(S)

REMOVAL

WARNING:
- Do not smoke or carry lighted tobacco or open flame of any type when working on or near fuel-related components. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions can 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 can result in personal injury.

1. Disconnect the battery ground cable.
2. Release the fuel pressure.
3. Remove the fuel charging wiring harness.







4. Remove the parts in the order indicated in the illustration and table.

Item 3: Fuel Tube Spring Lock Coupling Removal Note







1. Install the special tool.







2. Close and push the special tool into the open side of the cage.







3. Separate the fuel tube fitting.







4. Remove the special tool.

Item 8: O-Ring Seal Removal Note







CAUTION: Use O-ring seals that are made of special fuel-resistant material. Use of ordinary O-rings can cause the fuel system to leak. Do not reuse the O-ring seals.

1. Install new O-ring seals.

INSTALLATION
1. To install, reverse the removal procedure.

Item 8: O-Ring Seal Installation Note
1. Lubricate the new O-ring seals with clean engine oil before installing.

Item 3: Fuel Tube Spring Lock Coupling Installation Note
1. Align the fuel tube fittings and press together until an audible click is heard. Then, pull on the fittings to make sure they are fully engaged.