6A2-90 ENGINE MECHANICAL (M13 ENGINE)
2) Using micrometer, measure reground journal diameter.
Measurement should be taken in two directions perpendicu-
lar to each other in order to check for out-of-round.
3) Using journal diameter measured above and alphabets
stamped on cylinder block, select an undersize bearing by
referring to table given below.
Check bearing clearance with newly selected undersize
bearing.
Specification of new standard undersize crankshaft main bearing
Rear oil seal
Carefully inspect oil seal (1) for wear or damage.
If its lip is worn or damaged, replace it.
Flywheel
Visual inspection
• If ring gear is damaged, cracked or worn, replace flywheel.
• If the surface contacting clutch disc is damaged, or exces-
sively worn, replace flywheel.
Flywheel face runout
Check flywheel face runout with a dial gauge.
If runout exceeds its limit, replace flywheel.
Flywheel face runout
Limit: 0.2 mm (0.0079 in.)
Measured journal diameter
44.7440 – 44.7500 mm
(1.7616 – 1.7618 in.)
44.7380 – 44.7439 mm
(1.7614 – 1.7615 in.)
44.7320 – 44.7379 mm
(1.7611 – 1.7613 in.)
Alphabets stamped
on cylinder block
A (1) Red and Pink Red and Purple Red and Brown
B (2) Red and Purple Red and Brown Red and Green
C (3) Red and Brown Red and Green Red and Black
Undersize bearing to be installed
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