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.

Engine Block Drain Bolt/Sealing Bolt Installation
NOTE:
When installing the drain bolt (A), always use a new washer.
When installing the sealing bolt(s) (B), always use a new bolt(s) and
washer(s) (C).
...
Clutch Pedal, Clutch Pedal Position Switch, and Clutch Interlock Switch
Adjustment (M/T)
NOTE:
For a cruise control problem, check the clutch pedal position switch.
For a clutch interlock operation problem, check the clutch interlock
switch.
Remove the driver' ...
Drive Belt Inspection
Inspect the belt for cracks or damage. If the belt is cracked or damaged,
replace it.
Check that the position of the auto-tensioner indicator (A) is within the
standard range ( ...