Removal
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.
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1. |
Turn the ignition switch OFF and disconnect the battery negative
(-) cable.
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2. |
Release the residual pressure in fuel line.
(Refer to Fuel Delivery System - “Release Residual Pressure in
Fuel Line”)
When removing the fuel pump fuse, a Diagnostic Trouble
Code (DTC) may occur. Delete the code with the GDS after completion
of “Release Residual Pressure in Fuel Line” work.
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3. |
Remove the intake manifold.
(Refer to Engine Mechanical System - "Intake Manifold")
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4. |
Remove the injector form (A).
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5. |
Disconnect the injector connectors (A) and the rail pressure sensor
connector (B).
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6. |
Remove the high pressure fuel pipe (C).
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7. |
Remove the installation bolt (D), and then remove the delivery
pipe and injector assembly from the engine.
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Installation
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Install the component with the specified torques.
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Apply engine oil to the injector O-ring.
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Do not use already used injector O-ring again.
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Do not reuse the bolts.
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When insert the injector, be careful not to damage the
injector tip.
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Use proper tooling for change of combustion seal. Take
proper precautions not to damage surface during assembly or
disassembly.
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Avoid dropping the fuel pipe (including injectors) or
bumping it into any hard objects sincedamage to the internal
components may occur. If necessary, visually inspect and confirmproper
operation with performance tests prior to reuse.
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Before installing the injector into the cylinder head,
clean the injector hole and avoidcontaminants from entering
inside the injector hole. When installing the injector, avoid
bumpingthe injector tip into any of the surrounding components
since the tip may become damagedfrom the impact.
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When fastening the three fuel delivery pipemounting bolts,
fully hand-tighten first, andthen tighten in the proper sequence
( → →
) in several cycles up tothe specified
torque. The delivery pipeshould move less than 1/8 inch (approx.3mm),
whenever each bolt is tightened.
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1. |
Install in the reverse order 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)
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Removal 1. Turn the ignition switch OFF and disconnect the negative (-) battery cable. 2. Disconnect the accelerator position sensor connector (A). 3. Remove the installation nuts (C), the bolt (B) and ...
Removal 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 ...
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