Chery T21 2014 Service Manual page 483

4. Check valve stem protrusion amount.
a. Using a vernier caliper, measure distance "a" (valve
stem protrusion amount) between valve stem end
surface and valve spring seat end surface.
Measurement Item
Intake Valve Stem Protrusion
Exhaust Valve Stem Protrusion
If valve stem protrusion is not within the specified
range, replace valve.
Assembly
CAUTION
 Soak new valve oil seal in oil for several minutes before installation.
 Check if valve spring lower seat is installed properly before installing valve spring.
 Variable pitch valve spring is used, which must be installed with the painted side facing the valve spring
lower seat.
HINT:
Clean all components to be assembled thoroughly before assembly.
1. Install the valve (1) into the cylinder head.
HINT:
 Distinguish intake valves and exhaust valves during
installation.
 Apply a light coat of engine oil to the valve stem end
when assembling the valve.
2. Install the new valve spring lower seat (2) if necessary.
HINT:
Bottom of valve spring lower seat should face the
cylinder head.
3. Install the valve oil seal.
HINT:
Apply a light coat of engine oil to the installation surface
of valve oil seal end when assembling the valve oil seal.
a. Install the valve oil seal guide sleeve (3) to the valve
stem.
b. Install the valve oil seal (4) to the valve oil seal guide
sleeve.
c. Tap the valve oil seal installer lightly with a rubber
hammer to install the valve oil seal in place.
Chery Automobile Co., Ltd.
Specification
(mm)
31.497 - 31.515
31.497 - 31.515
07 - SQR484F ENGINE MECHANICAL
a
5
4
3
2
1
RT21070588
07
RT21070589
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