Mitsubishi 4G1 series, General Information Manual

Page: 110 / 147

4G1 ENGINE (E-W) -
Cylinder Head and Valves
11A-9-7
PWEE9520
E
Nov. 1995 Mitsubishi Motors Corporation
VALVE SEAT CORRECTION SERVICE POINTS
(1) Before correcting the valve seat, check for clearance
between the valve guide and valve and, if necessary,
replace the valve guide.
(2) Correct to obtain the specified seat width and angle.
(3) After correction, the valve and valve seat should be lapped
with a lapping compound.
PWEE9520-D
E
Aug. 2000 Mitsubishi Motors Corporation Revised
0.9 - 1.3 mm
65 °
15 °
46 ° - 46.5 °
<except GDI>
<GDI - Intake side>
0.9 - 1.3 mm
65 °
44 °
20 °
<GDI - Exhaust side>
0.9 - 1.3 mm
65 °
44 °
15
°