Suzuki Engine 2002 GRAND VITARA SQ625, Service Manual

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ENGINE MECHANICAL (J20 ENGINE) 6A4-91
4) From number stamped on crank web No.2 and alphabets
stamped on lower crankcase, determine new standard bear-
ing to be installed to journal, by referring to table shown
below.
For example, if number stamped on crank web No.2 is “1”
and alphabet stamped on lower crankcase is “B”, install a
new standard bearing painted in “Black” to its journal.
New standard size crankshaft bearing specification
5) Check bearing clearance with newly selected standard bear-
ing referring to “Main Bearing Clearance” under “Main Bear-
ings” in this section.
If clearance still exceeds its limit, use next thicker bearing
and recheck clearance.
UNDERSIZE BEARING (0.25 mm (0.009842 in.)) :
• 0.25 mm (0.009842 in.) undersize bearing is available, in five
kinds varying in thickness.
To distinguish them, each bearing is painted in the following
colors at such position as indicated in figure.
Each color represents the following thickness at the center of
bearing.
Crankshaft undersize bearing thickness
Number stamped on crank web
(Journal diameter)
1 2 3
Alphabet stamped
on lower crankcase
(Cap bore dia.)
A Green Black Colorless
B Black Colorless Yellow
C Colorless Yellow Blue
New standard bearing to be
installed.
Color painted Bearing thickness
Green & Red
2.115 – 2.119 mm
(0.08327 – 0.08342 in.)
Black & Red
2.118 – 2.122 mm
(0.08339 – 0.08354 in.)
Red only
2.121 – 2.125
(0.08351 – 0.08366 in.)
Yellow & Red
2.124 – 2.128 mm
(0.08363 – 0.08377 in.)
Blue & Red
2.127 – 2.131 mm
(0.08374 – 0.08413 in.)
1. Paint