F9Q ENGINE – Cylinder Head
11A-11-5
INSPECTION
INTAKE AND EXHAUST VALVES
(1) Measure the valve stem diameter and replace the valve
if the measurement does not meet the standard value.
Standard value: 6.98 – 6.99 mm
(2) Measure the valve seat angle and correct if it does not
meet the standard value.
Standard value: 45_
(3) Insert the valve in the cylinder head and measure the
valve projection from the cylinder head bottom surface.
Replace the valve if the measurement does not meet
the standard value.
Standard value: –0.03 – 0.21 mm
CYLINDER HEAD
(1) Check the cylinder head bottom surface for distortion.
Replace the cylinder head if the measurement does not
meet the standard value.
Standard value: 0.05 mm
Caution
D The cylinder head may not be reground.
(2) Measure the cylinder head height. Replace the cylinder
head if the measurement does not meet the standard
value.
Standard value: 161.9 – 162.1 mm
Caution
D The cylinder head may not be reground.
PWEE0001-A
E
Mar. 2001Mitsubishi Motors Corporation Revised
4ME0122
45_
REN0186
REN0187