Engine Mechanical: 1D-31
Assembly
1) Locate the plate (1) on the cylinder head of exhaust
side.
2) Oil each oil seal (2) and press fit them into position
using the valve guide installer.
CAUTION
!
Do not reuse the oil seals.
3) Install each valve spring seat (3) (for intake side) and
(4) (for exhaust side).
4) Insert the valves with their stems coated with
molybdenum oil solution.
Coat the entire stem making sure that there are no
gaps.
CAUTION
!
When inserting each valve, take care not to
damage the lip of the oil seal.
M/O: Molybdenum oil (Molybdenum oil
solution)
5) Install the valve springs with the smaller pitch “A”
facing the cylinder head.
1
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2
3
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2
4
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3
4
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“A”: Small pitch “C”: Up
“B”: Larger pitch “D”: Paint mark
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“A”
“B”
“C”
“D”
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