Mitsubishi Electric Lancer Evolution-VII Workshop Manual page 1395

11B-46
19.2 - 19.8 mm
ENGINE OVERHAUL -
Valve Guide Replacement
1. Using a press, push the valve guide to the cylinder block
2. Machine the valve guide hole on the cylinder head to
3. Press in the valve guide to the dimensions shown in
4. After pressing in the valve guide, insert a new valve,
Cylinder Head and Valve
side.
match the oversized valve guide into which it is to be
pressed in.
Caution
Do not use a valve guide having the same size as
the removed valve guide.
Valve guide hole diameter:
0.05 O.S. 12.05 - 12.07 mm
0.25 O.S. 12.25 - 12.27 mm
0.50 O.S. 12.50 - 12.52 mm
the illustration.
NOTE
(1) Press in the valve guide from the top of the cylinder
head.
(2) Note that the length of the valve guides differs.
Intake 45.5 mm
Exhaust 50.5 mm
and confirm the sliding state.