|
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.
(Refer to Fuel Delivery System - “Release
Residual Pressure in Fuel Line”)
| •
|
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 air cleaner and the air intake
hose.
(Refer to Engine Mechanical System - "Intake
And Exhaust System") |
| 4. |
Disconnect the fuel pressure regulator valve
connector (A). |
| 5. |
Disconnect the fuel feed tube quick-connector
(B).
|
| 6. |
Remove the high pressure fuel
pipe.
| (1) |
Remove the installation nut (A) from the
high pressure fuel pump with the special service tool [SST
No.: 09314-3Q100 or 09314-27130]
|
| (2) |
Remove the installation nut (B) from the
delivery pipe with the special service tool [SST No.:
09314-3Q100 or 09314-27130]
|
| (3) |
Disconnect the engine coolant
temperature sensor connector. |
| (4) |
Remove the function block (C), and then
remove the high pressure fuel pipe.
| |
| 7. |
Remove the installation bolts (D), and then
remove the high pressure fuel pump from the cylinder head
assembly.
| •
|
Unscrew in turn the two bolts in
small step (0.5 turns). In case of fully unscrewing one
of the two bolts with the other bolt installed, the
housing surface of the cylinder head may be broken
because of tension of the pump spring.
| |
|
| •
|
Be sure to check the low pressure fuel
hose quick-connector (A) is completely connected to the high
pressure fuel pump until a confirmation 'click' sound is
heard. |
| •
|
Be sure to re-check the low pressure
fuel hose is completely connected to the high pressure fuel
pump by pulling it after
connecting. |
| •
|
Be sure to install the high pressure
fuel pipe (B) with the specified torques.
|
| •
|
Because fuel leak may cause fire,
securely Inspect leakage of all fuel line connection parts at
engine start
condition. | |
| •
|
Before installing the high pressure fuel
pump, position the roller tappet in the lowest position by
rotating the crankshaft. Otherwise the installation bolts may
be broken because of tension of the pump
spring. | |
| •
|
Be careful to be free from foreign
materials when
assembling. | |
| •
|
Do not reuse the used
bolt. | |
| •
|
Do not reuse the used high pressure fuel
pipe. | |
| •
|
When tightening the installation bolts
of the high pressure fuel pump, tighten in turn the bolts in
small step (0.5 turns) after tightening them with hand-screwed
torque. | |
| •
|
Install the component with the specified
torques. |
| •
|
First hand-tighten the fasteners fully
until they are not fastened any more in orderto have them
inserted in place and then completely tighten to the specified
torque using a torque wrench.
If not tightening the bolts or nuts in a
straight line with the mating bolt holes or fittings, it may
cause a fuelleak due to broken
threads. | |
| •
|
Note that internal damage may occur when
the component is dropped. In this case, use it after
inspecting. | |
| •
|
Apply engine oil to the O-ring (A) of
the high pressure fuel pump, the roller tappet (B), and the
protrusion (C). Also apply engine oil to the groove on the
location where the protrusion (C) is installed.
| |
| 1. |
Installation is reverse of
removal.
| •
|
Use the special service tool [SST
No.: 09314-3Q100 or 09314-27130] to install the high
pressure fuel
pipe. | |
High pressure
fuel pump installation bolt:
12.8 ~ 14.7 N.m (1.3 ~ 1.5 kgf.m, 9.4 ~
10.9 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)
High pressure
fuel pipe function block installation bolt:
7.8 ~ 11.8 N.m (0.8 ~ 1.2 kgf.m, 5.8 ~
8.7 lb-ft)
| | |
