Connecting Rod Bearings; Connecting Rod Code Location - Acura Integra 1998 Service Manual

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Connecting Rod Bearings
Clearance
1. Remove the connecting rod cap and bearing half.
2. Clean the crankshaft rod journal and bearing half
with a clean shop towel.
3.
Place the 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 ( 8 1 8 C 5 e n g i n e : s e e p a g e 7 - 1 9 ) .
81881 engine:31 N.m (3.2 kgnm,23 tbf.ftl
Bl8Cl engine:44 N.m (4.5 kgl.m.33 tbl.ft)
NOTE: Do not rotate the crankshaft during inspection.
Connecting Rod Bearing-to-Journal Oil Clearance:
81881 engine:
Standard {Newl: 0.020 - 0.038 mm
{0.0008 - 0.0015 inl
Service Limit:
0.050 mm {0.0020 inl
818C1 engine:
Standald {Newl: 0.032 - 0.050 mm
10.0013 - 0.0020 in)
Service Limit:
0.060 mm {0.0024 in}
B18C5 engine:
Standard lNew): 0.038 - 0.050 mm
(0.0015 - 0.0020 inl
Service Limit:
0.060 mm t0.0024 inl
lf the plastigage measures too wjde or too narrow,
remove the upper half of the bearjng, 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 file, shim, or scrape the bearing
or the caps to adiust clearance.
It 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.
NOTEr It the proper clearance cannot be obtained
by using the appropriate larger or smaller bearings,
replace the crankshaft and stan over.
Selection
CAUTION: lf the codes are indecipherable because of
an accumulation of dirt and dust, do not scrub them
with a wire brush or scraper. Clean them only with sol-
vent or delergent.
Connecting Rod Code Location
A number has been stamped on the side of each con-
necting rod as a code for the size of the big end. Use it,
and the letters stamped on the crank lcodes for rod iour-
nal size), to choose the correct bearinqs.
Connecting Rod Journal Code Loc.tions {Letters or Bers)
Beering ldentification
2
3
Y"rl.:_,
G i e &
,
!**
i:1"
B l a c k B l u e
Color code is
on the edge oI
the bearing.
L a r g e r b i g e n d b o r e
S m a l l e r b e a r i n g ( t h r c h e . )
lHll
I F;;lll
l L " . ; | l
S m a l l e r S m a l l e r
r o d b e a r i n g
i o u r n a l
( t h i c k e r )
Half ot number is
stamped on bearing
cap and the other
half is stamped on
rod.
PLASTIGAGE STRIP