11a-9-5, 4g1 engine (e - w) – Mitsubishi Motors 4G1 User Manual
Page 74

4G1 ENGINE (E - W) -
Cylinder Head and Valves
11A-9-5
PWEE9520
E
Nov. 1995
Mitsubishi Motors Corporation
(3) Measure the valve’s total length. If the measurement is
less than specified, replace the valve.
Standard mm
Limit mm
Intake
SOHC 12-VALVE
100.75
100.25
SOHC 16-VALVE
111.56
111.06
DOHC
106.35
105.85
Exhaust
SOHC 12-VALVE
101.05
100.55
SOHC 16-VALVE
114.71
114.21
DOHC
106.85
106.35
3. VALVE SPRINGS
(1) Measure the valve spring’s free height. If the measurement
is less than specified, replace the spring.
Standard mm
Limit mm
SOHC
Intake
46.1
45.6
12-VALVE
Exhaust
46.8
46.3
SOHC 16-VALVE
50.9
50.4
DOHC
49.1
48.6
(2) Measure the squareness of the spring. If the measurement
exceeds the specified limit, replace the spring.
Standard value: 2
_
or less
Limit: 4
_
PWEE9520-A
E
Dec. 1998
Mitsubishi Motors Corporation
Revised
Squareness
Free height
1EN0264