Valve; Valve Spring - Mitsubishi 4G6 series Workshop Manual

Out of
square
E
Mitsubishi Motors Corporation
4G6 ENGINE (E - W) -

VALVE

(1) Check the valve face for correct contact. If incorrect, reface
(2) If the margin exceeds the service limit, replace the valve.
(3) Measure valve's total length. If measurement is less than

VALVE SPRING

(1) Measure the free height of spring and, if it is smaller
Free
height
1EN0264
Aug. 1998
Cylinder Head and Valves
using a valve refacer. Valve seat contact should be
maintained uniform at the center of valve face.
Item
SOHC Intake
Exhaust
GDI Intake
Exhaust
specified, replace the valve.
Item
SOHC Intake
Exhaust
GDI Intake
Exhaust
than the limit, replace.
Item Standard value mm
SOHC 51.0
GDI 48.3
(2) Measure the squareness of the spring and, if the limit
is exceeded, replace.
Item Standard value mm
SOHC 2_
GDI 1.5_
PWEE9616-A
11A-9-7
Standard value mm Limit mm
1.0 0.5
1.2 0.7
1.0 0.5
1.5 1.0
Standard value mm Limit mm
112.30 111.80
114.11 113.61
105.5 105.0
105.7 105.2
Limit mm
50.0
47.3
Limit mm
4_
4_
Added