1D-49 Engine Mechanical:
6) Remove connecting rod bearing caps.
7) Decarbon top of cylinder bore before removing
piston from cylinder.
8) Push piston and connecting rod assembly out
through the top of cylinder bore.
9) Remove piston pin from connecting rod as follows.
a) Ease out piston pin circlips (1) as shown in
figure.
b) Force piston pin out.
10) Remove connecting rod bearings
11) Using piston ring expander, remove two
compression rings (1st and 2nd) and oil ring from
piston, if necessary.
Installation
1) Decarbonize piston head and ring grooves using a
suitable tool.
2) Install piston ring to piston noting the following, if
removed.
• As indicated in figure. 1st and 2nd rings have
"TOP" mark respectively. When installing these
piston rings to piston, direct marked side of each
ring toward top of piston.
• 1st ring (1) differs from 2nd ring (2) in thickness,
shape and color of surface contacting cylinder
wall.
Distinguish 1st ring from 2nd ring by as shown in
figure.
• When installing oil ring, install spring ring (3) first
and then rail (4).
I2RH0B140113-01
3) Assemble connecting rod bearing to connecting rod /
bearing cap as follows.
a) Install special tool (B) to special tool (A).
Special tool
(A): 09913–98110
I2RH0B140114-01
(B): 09913–86520
I5JB0B140098-01
I5JB0B140099-01