Fuel Supply Line: Service and Repair

Removal

WARNING:
In case of removing the high pressure fuel pump, high pressure fuel pipe, delivery pipe, and injector, there may be injury caused by leakage of the high pressure fuel. So don't do any repair work right after engine stops.

1. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2. Release the residual pressure in fuel line .

CAUTION:
When removing the fuel pump relay, a Diagnostic Trouble Code (DTC) may occur. Delete the code with the GDS after completion of "Release Residual Pressure in Fuel Line" work.

3. Remove the intake manifold .
4. Disconnect the injector connectors (A) and the rail pressure sensor connector (B).
5. Remove the high pressure fuel pipe (C).
6. Remove the installation bolt (D), and then remove the delivery pipe and injector assembly from the engine.










Installation

CAUTION:
- Do not use already used injector fixed clip again.

CAUTION:
- Install the component with the specified torques.
- Note that internal damage may occur when the component is dropped. In this case, use it after inspecting.

CAUTION:
- Apply engine oil to the injector O-ring.
- Do not use already used injector O-ring again.

CAUTION:
- Do not reuse the bolts.

CAUTION:
- When insert the injector, be careful not to damage the injector tip.

CAUTION:
- Use proper tooling for change of combustion seal. Take proper precautions not to damage surface during assembly or disassembly.

CAUTION:
- When tightening the delivery pipe installation bolts, tighten them in accordance with the order (1 -> 2 -> 3) after tightening with hand-screwed torque.




1. Installation is reverse of removal.

Delivery pipe installation bolt:
18.6 - 23.5 N.m (1.9 - 2.4 kgf.m, 13.7 - 17.4 lb-ft)
High pressure fuel pipe installation nut:
26.5 - 32.4 N.m (2.7 - 3.3 kgf.m, 19.5 - 23.9 lb-ft)