Section 05 ENGINE (4-TEC)
Subsection 07 (CYLINDER HEAD AND VALVES)
1
R1503motr105A
2
3
1. Valvespringretainer
2. Inner valve spring
3. Outer valve spring
Inspection
Check valve springs for rust, corrosion or other vis-
ible damages. If so, replace faulty valve springs.
Check valve springs for free length and straight-
ness.
Replace valve springs if not within specifications.
R610motr122A
A
A. Valve spring length
OUTER VALVE SPRING FREE LENGTH
NEW NOMINAL
45.45 mm (1.789 in)
SERVICE LIMIT 43 mm (1.693 in)
INNER VALVE SPRING FREE LENGTH
NEW NOMINAL
41.02 mm (1.615 in)
SERVICE LIMIT 38.8 mm (1.499 in)
Installation
For installation, reverse the removal procedure.
Pay attention to the following details.
Colored area of the valve spring must be placed
on top.
NOTE: Valve cotters must be properly engaged in
valve stem grooves.
1
R1503motr105B
1. Position of the valve spring
VALVE
Removal
Remove valve spring.
Push valve stem then pull valves no. 26 and no. 27
out of valve guides.
R1503motr106A
1
2
1. Intake valve 38 mm
2. Exhaust valve 31 mm
266 smr2004-Complete Line Up
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