11A-9-104G9 ENGINE (E–W) – Cylinder Head and Valves

Out of square

Free height

VALVE SPRING

(1)Measure the valve spring’s free height. If the measurement is less than specified, replace the spring.

 

Standard value

Limit mm

 

mm

 

 

 

 

SOHC (with adjusting screw)

50.9

49.9

 

 

 

SOHC (with lash adjuster)

49.5

48.5

 

 

 

DOHC

45.0

44.0

 

 

 

DOHC–MIVEC

51.5

50.5

 

 

 

DOHC–GDI

44.8

43.8

 

 

 

(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 guide

Valve stem end

Valve stem projection

Spring seating surface

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

Limit mm

 

 

mm

 

 

 

 

 

Intake

SOHC

49.30

49.80

 

 

 

 

 

DOHC

46.70

47.20

 

 

 

 

 

DOHC–MIVEC

57.85

58.35

 

 

 

 

 

DOHC–GDI

46.65

47.15

 

 

 

 

Exhaust

SOHC

49.35

49.85

 

 

 

 

 

DOHC

46.65

47.15

 

 

 

 

 

DOHC–MIVEC

58.13

58.63

 

 

 

 

 

DOHC–GDI

46.70

47.20

 

 

 

 

VALVE GUIDE

(1)Measure the clearnace 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: 0.05 – 0.09 mm

<SOHC, DOHC, DOHC–MIVEC, DOHC–GDI for

CARISMA, SPACE STAR, SPACE RUNNER, GALANT>

0.04– 0.06 mm <DOHC–GDI for PAJERO io>

Limit:

Intake: 0.10 mm

Exhaust: 0.15 mm

E Mitsubishi Motors Corporation

Jun. 2002

PWEE9502-K

Revised