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ASSEMBLY
bearings.
(3) Apply sealant to the rear main bearing cap's mounting
surface as shown in figure.
(4) Install the main bearings and caps.
(5) Apply engine oil to the threads and seat faces of the
cap bolts and tighten them.
Tightening torque:
90-1 04 N.m (9.1-1 0.6 kgf-m, 66-77
ft-lbf)
Note
Make sure the main bearing caps are installed in
their original position.
3. Measure the crankshaft endplay.
End play: 0.05--0.32mm (0.002--0.012 in}
4. If the end play exceeds the maximum, install an oversize
thrust bearing.
5BUOB3-052
Piston, piston pin, and connecting rod
1. Assemble a suitable piston pin tool, into the piston pin
as shown.
Caution
Verify that the piston pin tool is fit squarely into
the piston before pressing.
2. Apply clean engine oil to the piston pin.
3.
Press the piston pin into the piston and connecting rod.
Piston ring
4BUOB3-129
Note
The upper and lower oil rails are the same.
*
Each rail can be installed with either face upward.
I.
Install the three-piece oil rings on the pistons.
(1)
Apply clean engine oil to the oil ring spacer and rails.
(2) lnstall the oil ring spacer so that the opening faces
upward.
(3) lnstall the upper rail and lower rail.
2. Verify that both rails are expanded by the spacer tangs, as
shown in the figure, by verifying that they turn smoothly in
both directions.
3. Install the second ring to the piston, and then install the top
ring. Use a piston ring expander (commercially available).
4. Apply a liberal amount of clean engine oil to the piston
rings.
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Troubleshooting
