Selection; Connecting Rod Bearings; Clearance - Honda Civic 1998 Service Manual

Main Bearings
Connecting Rod Bearings
Selection
CAUTION: lf the codes are indeciDherable because of an
accumulation ot dirt and dust, do not scrub them with a
wire brush or scraper. Clean them only with solvent or
detergent.
Crankshaft Bore Code Location
Letters have been stamped on the end of the block as a
code for the size of each of the 5 main journal bores.
Use them, and the numbers stamDed on the crankshaft
(codes for main journal sizel, to choose the correct bear-
i n o s .
Main Joulnal Code Location (Numbers)
Bearin g ldentif ication
Color code is
on the
edge of
the bearing.
7 -8
I f-i--l I
l l - - J l
t l . . - l
t t 3
t l
+ t n t +
Smaller Smaller
main
bearing
journ8l (thicker)
B
c
D
crank oore
Smaller bearing {thicker)
Red P i n k
G.een
G r € e n
Brown
Green
B l a c k
Green
Brown
Elack
Blue
Clearance
1, Remove the connecting rod cap and bearing half.
2 . C l e a n t h e c r a n k s h a f t r o d j o u r n a l a n d b e a r i n g h a l f
with a clean shop towel.
3.
Place a strip of plastigage across the rod journal.
4 . R e i n s t a l l t h e b e a r i n g h a l f a n d c a p , a n d t o r q u e t h e
n u t s .
Torque
31 N.m (3.2 kgf.m. 23 lbf.ftl
NOTE: Do not rotate the crankshaft during inspec-
t t o n .
Remove the rod cap and bearing half, and measure
the widest part of the plastigage.
Conn€cting Rod Eearing-to-JouJnal Oil Clearance:
Standard lNewl: 0.020 - 0.038 mm
(0.0008 - 0.0015 in)
Service Limit:
0.05 mm (0.(X)2 in)
lf the plastigage measures too wide or too narrow,
remove the upper half of the bearing, install a new,
complete bearing with the same color code (select
the color as shown on the next page), and recheck
the clearance.
CAUTION: Do not lile, shim. or scrape the boarings
or the caps to adiust clearance.
lf the plastigage shows the clearance is still incor-
rect, try the next larger or smaller bearing (the color
l i s t e d a b o v e o r b e l o w t h a t o n e ) , a n d c h e c k c l e a r -
a n c e a g a i n .
NOTE; lf the prooer clearance cannot be obtained
by using the appropriate larger or smaller bearings,
replace the crankshaft and stan over.
t
7 .
I
I
I
PLASTIGAGE STRIP
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