|
1.Remove the common rail
assembly mounting bolts.
|
|
2.Loosen the fuel injector
holder bolt completely.
|
![](../../../img/11/AC904140AB00ENG.png)
|
3.Set the special tool
hanger set (MB992675) into the fuel injector holder as
shown.
note |
As special tool MB992675 is
hard to be inserted into fuel injectors No.1 and
No.4, tilt
the fuel injector holder.
|
|
![](../../../img/11/ACA00004AB00ENG.png)
|
4.Remove the rocker cover
mounting bolts as shown to assemble the special tool
injector
and fuel pipe remover (MB992289).
|
![](../../../img/11/AC904141AB00ENG.png)
|
5.Hook the arm of special
tool MB992289 into special tool MB99267.
|
![](../../../img/11/AC904142AB00ENG.png)
|
6.Swing the arm towards you
to pull out the fuel injector from the cylinder
head. 7.Remove special tools MB992289 and
MB992675. 8.
caution |
Protect the tip of the fuel
injector nozzle with rag
to place the fuel injector and common rail
assembly.
|
Remove the fuel injector and common rail
assembly.
|
![](../../../img/11/AC809000AB00ENG.png)
|
1.Insert the special tool
nozzle gasket remover (MB992333) to the fuel injector
mounting
hole on the cylinder head. 2.Rotate the dial of
the tool as shown, and then pull out the tool while holding
the
fuel injector nozzle gasket.
|
|
1.Remove the sealant from
the rocker cover assembly, the matching area of the cylinder
head and timing chain case, and the matching area of the
cylinder head and camshaft bearing
cap rear, and degrease them with the volatile degreasing
agent.
|
![](../../../img/11/AC808983AB00ENG.png)
|
2.To the joints between the
cylinder head and the timing chain case, apply the sealant
with
a diameter of 4 mm as shown in the
figure. Specified sealant: ThreeBond 1217G or
equivalent
|
![](../../../img/11/AC808984AB00ENG.png)
|
3.
caution |
- Remove the excessive sealant at the
supply pump assembly
mounting hole and the vacuum pump
assembly mounting hole using a rag or
the like.
- After the installation, until a
sufficient period of time (one hour or
more) elapses,
do not apply the engine oil or water to
the sealant application area or start
the engine.
|
To the joints between the cylinder head and the
camshaft bearing rear cap, apply the sealant
with a diameter of 8 mm as shown in the
figure. Specified sealant: ThreeBond 1217G or
equivalent
note |
Install the rocker cover
assembly immediately after applying
sealant.
|
|
![](../../../img/11/AC809564AB00ENG.png)
|
4.Tighten the rocker cover
assembly mounting bolts to the specified torque in the order
of number shown in the figure. Tightening
torque: 3.0 ± 1.0 N·m
5.Tighten again the rocker cover assembly
mounting bolts to the specified torque in
the order of number shown in the
figure. Tightening torque: 5.5 ± 0.5
N·m
|
|
1.Clean the fuel injector
assembly (nozzle portion) and the cylinder head (fuel
injector
mounting hole) (Refer to GROUP 13D - Fuel Injector ).
|
|
2.
caution |
Insert the fuel injector
assembly securely.
|
Install the fuel injector assembly.
|
|
3.Tighten the fuel injector
and common rail mounting bolts loosely while holding the
fuel injectors.
|
![](../../../img/11/AC809091AB00ENG.png)
|
4.Seat the right and left
fuel injector holder mounting bolts at the same time. Make
sure
that the fuel injector holder is placed within 2 mm in the
horizontal axis by using a L-shaped
steel scale. 5.Tighten the engine front side bolts
of the fuel injector holder to 1.1 ± 0.1
N·m.
note |
If the tool interferes with
fuel return line hose C when tightening the fuel
injector
holder bolts, remove fuel injection tube joint B
(Refer to GROUP 13D - Fuel Injector ).
|
|
![](../../../img/11/AC809088AB00ENG.png)
|
6.Use the special tool angle
gauge (MB991614) to tighten the engine rear side bolts of
the
fuel injector holder to 180° ±
1°. 7.Use the special tool (MB991614) to
tighten the engine front side bolts of the fuel
injector holder to 90° ±
1°. 8.Tighten the common rail assembly to
the specified torque. Tightening torque: 25
± 7 N·m
|