Mitsubishi Motors 6A1 - Manual (Page 57)

6A1 ENGINE (E - W) - Cylinder Head and Valves
11A-12-8
VALVE SPRING
(1) Measure the valve spring’s free height. If the measurement
is less than specified, replace the spring.
Standard value
mm
Limit mm
SOHC 49.9 48.9
MIVEC 51.5 50.5
(2) Measure the squareness of the spring. If the measurement
exceeds the specified limit, replace the spring.
Standard value: 2
_
or less
Limit: 4
_
VALVE SEAT
(1) Assemble the valve, then measure the valve stem
projection between the end of the valve stem and the
spring seating surface. If the measurement exceeds the
specified limit, replace the valve seat.
Standard value
mm
Limit mm
SOHC 48.45 48.95
MIVEC 48.40 48.90
VALVE GUIDE
(1) Measure the clearance between the valve guide and valve
stem. If the limit is exceeded, replace the valve guide
or valve, or both.
Standard value:
Intake: 0.02 - 0.05 mm
Exhaust: 0.04 - 0.07 mm
Limit:
Intake: 0.10 mm
Exhaust: 0.15 mm
PWEE9622
E
Feb. 1997 Mitsubishi Motors Corporation
1EN0264
Out of square
Free
height
DEN0212
Valve stem end
Valve stem
projection
Spring seating
surface
1EN0279
Valve
guide