![](../../../img/11/AK502741AC00ENG.png)
|
caution |
Be careful not to allow
retainer holder C to interfere with the wall of
the
tappet hole and to damage it.
|
Use a special tool to compress the valve spring and
to remove the retainer lock.
- Valve spring compressor (MD998735)
- Retainer holder C (MB992089)
note |
Store removed parts such as
valves and springs with tags describing cylinder
No. and installed
position attached for reassembly.
|
|
![](../../../img/11/AK502782AC00ENG.png)
|
Use special tool Valve stem seal
pliers (MB992085) to firmly pinch the base (larger external
shape) of the stem seal and twist it right and left for
pulling out.
|
![](../../../img/11/AK503378AD00ENG.png)
|
1.Apply a thin coat of
engine oil to a new valve stem seal.
|
![](../../../img/11/AK502742AC00ENG.png)
|
2.Use special tool Valve
stem seal installer (MD998737) to press fit the valve stem
seal
into the valve guide with the valve stem used as a
guide.
|
![](../../../img/11/AK502741AC00ENG.png)
|
Use a special tool to compress the
valve spring and to install the retainer
lock.
- Valve spring compressor (MD998735)
- Retainer holder C (MB992089)
|
![](../../../img/11/AK602902AC00ENG.png)
|
1.Completely remove the
liquid gasket on the upper plane of the cylinder block and
the lower
plane of the cylinder head. 2.
caution |
Sufficiently check that there
is no residual oil on the
place where degreasing is performed. If
fingerprints are left, do not touch it with bare
hands
after the degreasing, since the oils from your
fingers will harm the seal ability.
|
Degrease the place specified in the
illustration.
|
![](../../../img/11/AK602942AC00ENG.png)
|
3.As shown in the
illustration, apply a 2.5 ± 0.5 mm of sealant to the
top face
of cylinder block. Specified
sealant:
ThreeBond 1217G or
equivalent
4.Install the cylinder
head gasket.
note |
Check that the centre of the
liquid gasket is located toward the cylinder
gasket in the
position specified in the illustration.
|
5.As shown in the illustration, apply a 2.5
± 0.5 mm of sealant to the top
face of cylinder head gasket. Specified
sealant:
ThreeBond 1217G or
equivalent
6.Install the cylinder
head assembly.
|
|
1.Install new cylinder head
bolts and washers in the following procedure.
note |
Cylinder head bolts and
washers must not be reused.
|
|
|
2.Apply an appropriate
amount of engine oil to top and bottom surfaces of washers
and
threaded portion of bolts.
|
|
3.Install cylinder head
bolts to the cylinder head.
note |
Bolts and washers are
different parts for bolts on the timing chain
side.
|
|
![](../../../img/11/AK502392AC00ENG.png)
|
4.Tighten cylinder head
bolts in several steps to the specified torque of 35 ±
2
N·m according to the assembly order.
|
![](../../../img/11/AK502523AC01ENG.png)
|
5.Put a paint mark on all of
cylinder head bolt heads and cylinder
head. 6.
caution |
- When the tightening
angle is smaller than the specified
tightening angle, the appropriate
tightening capacity cannot
be secured.
- When the tightening angle is larger than
the specified tightening angle, remove
the bolt to start from the beginning
again according to the
procedure.
|
Tighten the cylinder head 90° according to the
tightening order. Tighten it further 90° and make
sure that the paint mark on the cylinder head
bolt is in a straight line with that on the cylinder
head.
|