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.

Fuel Line/Quick-Connect Fitting Precautions
The fuel line/quick-connect fittings (A, B, C, D, E, F, G, H, I, J, K and L)
connect the fuel rail (M) to fuel feed hose (N), the fuel feed hose to the fuel
line (O), the fuel feed line (P) to the ...
Inspection and Maintenance
For your safety, perform all listed inspections and maintenance to keep your
vehicle
in good condition. If you become aware of any abnormality (noise, smell,
insufficient
brake fluid, oil residu ...
Secondary Shaft Disassembly, Inspection, and Reassembly (A/T)
Inspect the thrust needle bearings and the needle bearings for galling
and rough movement.
Inspect the splines for excessive wear and damage.
Check the shaft bearing s ...