Subaru Legacy 2005 Service Manual page 1597

(3) Turn the cylinder head upside down and
place the ST as shown in the figure.
ST 18251AA040 VALVE GUIDE ADJUSTER
(4) Before installing a new valve guide, make
sure that neither scratches nor damages exist
on the inside surface of the valve guide holes in
cylinder head.
(5) Put a new valve guide, coated with sufficient
oil, in cylinder, and insert the ST1 into valve
guide. Press in until the valve guide upper end is
flush with the upper surface of ST2.
ST1 499765700 VALVE GUIDE REMOVER
ST2 18251AA040 VALVE GUIDE ADJUSTER
ST1
ST2
(6) Check the valve guide protrusion.
Valve guide protrusion L:
11.4 — 11.8 mm (0.449 — 0.465 in)
(7) Ream the inside of valve guide using ST.
Put the reamer in valve guide, and rotate the
reamer slowly clockwise while pushing it lightly.
Bring the reamer back while rotating it clock-
wise. After reaming, clean the valve guide to re-
move chips.
ST 499765900 VALVE GUIDE REAMER
NOTE:
• Apply engine oil to the reamer when reaming.
• If the inner surface of the valve guide is torn, the
edge of the reamer should be slightly ground with
an oil stone.
• If the inner surface of the valve guide becomes
lustrous and the reamer does not chip, use a new
reamer or remedy the reamer.
Cylinder Head
4. INTAKE AND EXHAUST VALVE
1) Inspect the flange and stem of valve, and re-
place if damaged, worn or deformed, or if "H" ex-
ST
ceeds the standard or offset wearing is emitted.
H:
ME-00757
Valve overall length:
ME-00130
2) Put a small amount of grinding compound on the
seat surface, and lap the valve and seat surface.
Install a new intake valve oil seal after lapping.
ME(H6DO)-63
(8) Recheck the contact condition between
valve and valve seat after replacing the valve
guide.
Intake (A)
Standard: 1.0 mm (0.039 in)
Exhaust (B)
Standard: 1.2 mm (0.047 in)
Intake (A)
99.7 mm (3.925 in)
Exhaust (B)
105.2 mm (4.142 in)
90
90
MECHANICAL
+1
0
+1
0
ME-02096