1D-50 Engine Mechanical:
5) Install bearing cap (1):
Point arrow mark (2) on cap to crankshaft pulley
After applying engine oil to rod bolts and tighten cap
nuts (3) gradually as follows.
a) Tighten all cap nuts to 15 N⋅m (1.5 kgf-m, 11.0 lb-
b) Retighten them to 45°.
c) Repeat Step b) once again.
Before installing bearing cap, make sure that
checking for connecting rod bolt
deformation. Refer to "Piston Pins and
Connecting Rods Inspection".
Connecting rod bearing cap nut (a): Tighten
15 N⋅m (1.5 kgf-m, 11.0 lb-ft), 45° and 45° by
the specified procedure
6) Install cylinder head referring to "Valves and Cylinder
Head Removal and Installation".
Pistons, Piston Rings, Connecting Rods and
Cylinders Disassembly and Assembly
1) Using piston ring expander, remove two
compression rings (Top and 2nd) and oil ring from
2) Remove piston pin from connecting rod as follows.
a) Ease out piston pin circlips (1), as shown.
b) Force piston pin out.
1) Decarbonize piston head and ring grooves using a
2) Install piston pin to piston (1) and connecting rod (2):
a) After applying engine oil to piston pin and piston
b) Installing connecting rod to piston.
Be sure to position front mark (4) on piston
and oil hall (5) of connecting rod at specified
position as shown in figure.
c) Insert piston pin to piston and connecting rod.
d) Install piston pin circlips (3).
Circlip should be installed with its cut part
facing as shown in figure. Install so that
circlip end gap comes within such range as
indicated by arrow.
pin holes in piston and connecting rod.