Follow these instructions to keep the ATF cooler cleaner working properly:
Replace the two magnetic nonbypass spin-on filters after every 20 hours of use, based on the hour meter, or when you notice a restriction in the ATF flow.
Check the level and condition of the fluid in the tank before each use.
Replace the ATF in the tank when it looks dark or dirty.

Safe Driving
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Piston Installation
If the Crankshaft is Already Installed
Set the crankshaft to bottom dead center (BDC) for each cylinder as its
piston is installed.
Remove the connecting rod caps, and check that ...
Tools
Types of Tools
The tools were stored in the cargo area. ...