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.

Shift Fork Disassembly/Reassembly (M/T)
NOTE: Prior to reassembling, clean all the parts in solvent, dry them, and
apply MTF to all contact surfaces.
...
Tire Labeling
The tires that came on your vehicle have a
number of markings. Those you should be
aware of are described below.
Tire Sizes
Whenever tires are replaced, they should be replaced with tires of the ...
A/T Housing Reverse Idler Gear Installation (A/T)
Lightly coat the reverse idler gear shaft (A), the needle bearing (B),
and new O-rings (C) with lithium grease.
Assemble the new O-rings and the needle bearing on the reverse ...