5. Inspection and servicing of basic engine parts
187
4) Valve stem seals
The valve stem seals on the intake/exhaust
valve guides cannot be re-used once they
are removed. Be sure to replace them.
Install the valve stem seal to the valve guide
by using a tool.
The stem seal projection is as follows. The
clearance between the stem seal and the
upper surface of valve guide is around 0.2
mm to 0.8 mm.
The intake valve guide and exhaust valve
guide are of different dimensions.
The stem seal is marked by color for the
distinction.
When assembling the intake/exhaust valves,
apply an adequate quantity of engine oil on
the valve stem before inserting them.
mm
Valve stem seal projection
3JH4E/ 4JH4E
19
0
-0.3
4JH4-TE/ 4JH4-HTE
10.2
0
-0.3
Intake Exhaust
3JH4E/ 4JH4E No mark Yellow
4JH4-TE/ 4JH4-HTE White Black
Valve stem seal inserting tool
Stem seal
Valve guide
Cylinder head
011204-00E
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