Geely CK Series 2007 Workshop Manual page 56

(3) Check VSV operation from hole E to F and that the air flow should be difficult. See (Figure 114).
3. PCV sub-assembly
It should be easy for air to pass through the cylinder head.
Notice:
Do not suck air through valve.
Never put any object into the valve. Replace PCV if the operation is
not as specified.
Blow air in from the intake manifold side. Check that the air flow
should be difficult. Replace PCV if the operation is not as specified. See
(Figure 115).
Near cylinder head
Cleaning pipe
Figure 115
Figure 114
Near the intake manifold
Air
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