6A2-68 ENGINE MECHANICAL (M13 ENGINE)
Pistons, Piston Rings, Connecting Rods and
Cylinders Removal and Installation
Removal
1) Remove engine assembly from vehicle referring to “Engine
Assembly Removal and Installation” in this section.
2) Remove cylinder head referring to “Valves and Cylinder
Head Removal and Installation”.
3) Mark cylinder number on all pistons, connecting rods and
connecting rod caps using silver pencil or quick drying paint.
4) Remove rod bearing caps.
5) Install guide hose (1) over threads of rod bolts.
This prevents damage to bearing journal and rod bolt
threads when removing connecting rod.
6) Decarbonize top of cylinder bore before removing piston
from cylinder.
7) Push piston and connecting rod assembly out through the
top of cylinder bore.
Installation
1) Apply engine oil to pistons, rings, cylinder walls, connecting
rod bearings and crank pins.
2) Install guide hoses (1) over connecting rod bolts.
These guide hoses protect crank pin and threads of rod bolt
from damage during installation of connecting rod and piston
assembly.
3) When installing piston and connecting rod assembly into cyl-
inder bore, point front mark (1) on piston head to crankshaft
pulley side.
NOTE:
Do not apply oil between connecting rod and bearing or
between bearing cap and bearing.
A: Crankshaft pulley side
B: Flywheel side
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