4G1 ENGINE (E-W) -
Crankshaft and Cylinder Block
11A-12-6
PWEE9520
E
Nov. 1995Mitsubishi Motors Corporation
Crankshaft journal Cylinder block
bearing diameter
Bearing
Range Color code Identification
mark
Journal diameter
mm
Identification
mark
Identification
mark
1 Yellow 1 47.995 - 48.000 0 1
1 2
2 3
2 None 2 47.985 - 49.995 0 2
1 3
2 4
3 White 3 47.980 - 48.985 0 3
1 4
2 5
(2) Identification marks showing the cylinder block bearing
bore diameter are stamped in t he position shown, with
No. 1 at the front of the engine. Bearings must be selected
and installed in accordance with these identification marks.
(3) Based on the identification markings verified in steps (1)
and (2), select bearings from table above. See the
following example:
1. If the measured crankshaft journal diameter is 48.000
mm, this corresponds to classification 1 in the above
table.
2. If th e identification mark on t he cylinder block bearing
hole is “1”, select a bearing with an identification mark
of “2”.
(4) Except for the center bearing, all the upper bearings are
grooved. The center bearings are grooveless and have
flanges. The center bearings are the same at the top
and bottom.
(5) The lower bearings are all grooveless.
PWEE9520-A
E
Dec. 1998Mitsubishi Motors Corporation Added
Timing belt side
Cylinder block journal
bore diameter
Grooveless
Lower bearing (Nos.
1, 2, 4, and 5)
Upper an d lower
bearings (center) (No. 3)
Grooveless
Upper bearing (Nos.
1, 2, 4, and 5)
Grooved
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