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

Connecting Rod Bearings
Clearance
Remove the connecting rod cap and bearing half
C l e a n t h e c r a n k s h a f t r o d i 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.
Place plastigage across the rod journal.
Reinstall the bearing half and cap, and torque the nuts.
Torque
Bl6A2 engine:
40 N.m (4.1 kgl.m, 30 lbf'ft)
Dr6Y5, D16Y7, D16Y8 enginss:
31 N'm (3.2 kgf.m, 23 lbf ftl
NOTE| Do not rotate the crankshaft during inspection.
Remove the rod cap and bearing half and measure
the widest part of the plastigage.
Connecting Rod Bearing-to.Journal Oil Glearance:
816A2 engine:
Standard lNewl: 0.032 - 0.050 mm
10.0013 - 0.0020 in)
Service Limit:
0.06 mm 10.002 inl
D16Y5, D16Y7, D16Y8 engines:
Standard lNew): 0.020 - 0.038 mm
(0.0008 - 0.0015 in)
Service Limit
0.05 mm 10.002 inl
'1.
4.
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
t h e c o l o r a s s h o w n i n t h e r i g h t c o l u m n ) , a n d
recheck the clearance.
CAUTION: Do not lile, shim, or scrape the bearings
or the caps to adiust clgarance.
lf the plastigage shows the clearance is still incorrect.
try the next larger or smaller bearing (the color listed
above or below that one), and check clearance again.
NOTE: lf the Droper clearance cannot be obtained
by using the appropriate larger or smaller bearings,
replace the crankshaft and start over.
PLASTIGAGE STRIP
\
7 .
7 - 1 1
Selection
CAUTION: lf the codes are indecipherable because of
an accumulation of dirt and dust, do not sclub them
with a wile brush or scraper. Clean them only with sol-
vent or detergent,
Connecting Rod Code Location
Numbers have been stamped on the side of each con
necting rod as a code for the size of the big end Use
them, and the letters stamped on the crankshaft (codes
for rod journal size), to choose the correct bearlngs
Half of number ls
stamped on bearing
cap and the other
half is stamped on
r o d .
Bearing ldentilication
Color code is on the
edge of
the bearing.
lfA--;T] |
l l e " ' t t l ;
l l c o r l l l l l
I lD;;ilril |
l - l
Larger brg end bore
S m a l l e r
S m a l l e r
r o d
b e a r l n g
j o u r n a l
( t h i c k e r )
- - - - - - - - - - - - - - - -
S m a l l e r b e a r i n g { t h r c k e r )
R e d
Pink
G r e e n
P i n k
Green
Green
Erown Black
Green
Brown Black Blue
1
2
3 4
Connecting Rod Journal Code Locations (Lettels)