Chery T21 2014 Service Manual page 480

07 - SQR484F ENGINE MECHANICAL
4. Remove the valve spring upper seat (1), valve spring (2)
and valve (3) from cylinder head.
07
5. Using a valve oil seal remover (1), remove the valve oil
seal (2).
6. Using a flexional magnetic rod, remove the valve spring lower seat.
Inspection
1. Check cylinder head.
a. Check appearance.
 Check if there are scratches on the camshaft bearing journal.
 Remove carbon deposits and varnish inside valve guide with the valve guide cleaner.
 Make sure that valve cotter can move and rotate in cylinder bore freely.
b. Check cylinder head flatness.
Using a precision ruler and feeler gauge, check
cylinder head flatness. Cylinder head flatness must be
within 0.04 mm.
Measurement Item
Cylinder Head Flatness
If cylinder head flatness is not within the specified
range, repair or replace cylinder head.
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07–
Specification
(mm)
0.04
1
2
3
2
Chery Automobile Co., Ltd.
RT21070560
1
RT21070570
RT21070580