Chery Tiggo T11 LHD. Manual — part 77

1

．Disassembling Notice



Disassembling of rocker arm and rocker
shaft

(1) Before disassembling the rocker arm and

rocker arm shaft assembly, install the special
tools as shown in the illustration to prevent
dropping of hydraulic erect post.

2

．Installation Notice



installation of hydraulic erect post

(1) Soak the hydraulic erect post in clean diesel

oil.

(2) With the special tool “exhaust steel wire”,

while slightly pressing the steel ball of check
valve, move the plunger up and down for four
to five times to exhaust the air.

Caution: As the rigid ball spring is especially
soft, do not push the steel ball too violently with
exhaust steel wire in case any damage to the
hydraulic erect post.

It is easy to exhaust air from the hydraulic
erect post installed by rocker arm with a
keeper(special tool).

(3) Insert the hydraulic erect post into the rocker

arm, being careful to avoid diesel oil overflow.
Then apply special tool to prevent the
dropping of hydraulic erect post during the
installation.



Installation of rocker shaft spring, rocker
arm and rocker shaft

(1) Fasten the intake rocker shaft with a bolt

temporarily until no rocker arm push and
press the valve.

(2) Assemble the rocker shaft spring from the

upper until it is vertical with the duct of
spark plug.

Caution: The rocker shaft spring should be

installed first and then tighten the bolt of
exhaust rocker arm.

(3) Disassemble the special tool for keep the

MD99844
3

hydraulic

erect post

hydraulic erect post.

(4) Make sure that the position of

cutting opening in the rocker shaft
is in that shown in the illustration.

Caution: The oil hole in the rocker
shaft should be aligned with the
cylinder block to ensure a correct
installation position.



Installation of camshaft oil seal

Install the oil seal of camshaft with special tool

3

．Check



camshaft

(1)Measure the height of cam

The standard value and usage limit value
are as follows.
4G64

：

standard

value

usage limit

value

intake

37.39

36.89

exhaust

37.14

36.64

4G63

：

standard

value

usage limit

value

intake

37.50

37

exhaust

37.14

36.49



Rocker arm

(1) Check the surface of the roller. If there is

any trace, there must be some damage
or check and the rocker arm should be
replaced.

(2) Check whether the roller could revolve

smoothly and evasively. If it could not
revolve smoothly and evasively or is a
bit loose, the rocker arm should be
replaced.

(3) Check the internal diameter. If there is

some damage or lock is checked, the
rocker arm should be replaced.



Test on the return leakage of
hydraulic erect post

Caution:

·The hydraulic erect post is a precision
spare part. There should not be any dust
or foreign matter on its surface
·It is not allowed to disassemble the
hydraulic erect post.
·It is required to use clean diesel oil to
clean the hydraulic erect post.

(1) Soak the hydraulic erect post in clean

MD99871
3

roller

end

MD99844
2

diese

l oil

diesel oil.

With the special tool
(MD998442), while pressing
the steel ball in the inner
side, exhaust the air by
moving the plunger up and
down for four to five times. It
is easy to exhaust air from
the hydraulic erect post
installed by rocker arm.