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.

M/T Differential Thrust Clearance Adjustment (M/T)
Special Tools Required
Driver Handle, 40 mm I.D. 07746-0030100
Remove the left driveshaft side oil seal from the transmission housing.
If you remove the 80 mm shim (A) from ...
Secondary HO2S Replacement
Special Tools Required
O2 Sensor Wrench Snap-on S6176 or equivalent, commercially available
Disconnect the secondary HO2S connector (A).
Raise the vehicle on a lift.
...
Fuel Tank Draining
Remove the fuel tank unit.
Using a hand pump, a hose, and a container suitable for fuel, draw the
fuel from the fuel tank.
Reinstall the fuel tank unit.
...