7-15
Chapter 7 ASSEMBLY OF BASIC ENGINE
2.12 Connecting Rod Cap - Install
(1) Install the lower connecting rod bearing, aligning its
lug with the lug slot of the connecting rod bearing cap.
(2) Apply engine oil to the connecting rod bolt threads and
seating surface, and the sliding surface of the lower
connecting rod bearing shell.
Connecting Rod Cap - Install (1)
(3) Install the connecting rod cap to the connecting rod so
that that the matching numbers on the connecting rod
cap and the connecting rod are the same and on the
same side.
(4) Hand tighten the connecting rod bolts.
Note: Bolt identification mark
"AU": Upper (short) (P/N: 37519-21300)
"AL": Lower (long) (P/N: 37519-11400)
"2": No differentiation between upper and lower
(P/N:37519-20301)
Connecting Rod Cap - Install (2)
(5) Align the connecting rod and rod cap side faces to
ensure the rod end play.
Connecting Rod Cap - Install (3)
(a) Make sure that the matching numbers on the con-
necting rod and the connecting rod cap are on the
same side and in alignment.
(b) Make sure that the installing position of connecting
rod bolt with the identification mark.
(c) When installing the connecting rod cap, make sure
that dust or metal particles are not caught in the
serrations, bolt seating surfaces and the bolt
threads.
Lug groove
Threaded
portion
Bolt's seat face
Lower connecting rod
bearing
Connecting rod bolt
Connecting rod cap
Serrated portion
ID mark "AU":
Upper side (short)
ID mark "AL":
Lower side (long)
AU
AL
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