Cylinder Head; Valve - Mitsubishi 6A1 series User Manual

Valve seat
contact
E
Mitsubishi Motors Corporation
6A1 ENGINE (E - W) -
INSPECTION

CYLINDER HEAD

(1) Check the cylinder head gasket surface for flatness by
(2) If the service limit is exceeded, correct to meet the
6AE0083

VALVE

(1) Check the valve face for correct contact. If incorrect, reface
(2) If the margin is smaller than the service limit, replace
Margin
6EN0542
(3) Measure the overall height of the valve. If the specified
Feb. 1997
Cylinder Head and Valves
using a straightedge and thickness gauge.
Standard value: 0.03 mm
Limit: 0.2 mm
specification.
Grinding limit: *0.2 mm
*Includes/combined with cylinder block grinding
Cylinder head height (Specification when new):
119.9 - 120.1 mm <SOHC>
119.6 - 119.8 mm <MIVEC>
using a valve refacer. Valve should make a uniform contact
with the seat at the centre of valve face.
the valve.
Standard value mm
Intake 1.0
Exhaust 1.3
limit is exceeded, replace the valve.
Intake SOHC
MIVEC
Exhaust SOHC
MIVEC
PWEE9622
11A-12-7
Limit mm
0.5
0.8
Standard value Limit mm
mm
113.02 112.52
112.37 111.87
115.32 114.82
110.74 110.74