Remove Piston Cooling Orifices
a) remove crankshaft
1. Remove bearing (1).
2. Use a brass punch to remove piston cooling orifices (2) from the cylinder block.
Install Piston Cooling Orifices
1. Use tool (A) to install piston cooling orifice (1) in the cylinder block with the small end first.
2. Put a .090 in. (2.29 mm) rod through the piston cooling orifice to make sure that the passage is open after the piston cooling orifice is installed.
3. Install bearing (2).
a) install crankshaft