Valve Guide Replacement Procedure - Mitsubishi 4G6 series Workshop Manual

11A-9-10
Protrusion
E
Mitsubishi Motors Corporation
4G6 ENGINE (E - W) -

VALVE GUIDE REPLACEMENT PROCEDURE

(1) Force the valve guide out toward the cylinder block using
(2) Machine the valve guide hole in the cylinder head to
(3) Press-fit the valve guide until it protrude specified value
(4) After the valve guide has been installed, insert a new
1EN0106
Aug. 1998
Cylinder Head and Valves
a press.
the size of the oversize valve guide to be installed.
Caution
D
Do not use the valve guide of the same size as
the removed one.
Valve gauge hole diameters in cylinder head
Item
SOHC 0.05 O.S.
0.25 O.S.
0.50 O.S.
GDI 0.05 O.S.
0.25 O.S.
0.50 O.S.
(SOHC 14 mm, GDI 19.5 mm) as shown in the illustration.
Caution
D
Press the valve guide from the cylinder head top
surface.
D
Valve guide for intake valve and that for exhaust
valve are different in length. (45.5 mm for intake
valve; 50.5 mm for exhaust valve)
valve to check for smooth sliding motion.
PWEE9616-A
Standard value mm
11.05 - 11.07
11.25 - 11.27
11.50 - 11.52
12.05 - 12.07
12.25 - 12.27
12.50 - 12.52
Added