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.

Evaporator Expansion Valve Replacement (With A/C)
Recover the refrigerant with a recovery/recycling/charging
station.
Remove the bolt from the A/C line clamp (A).
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Entering a New Destination
DEST button (when en route)
►DEST Menu 1 or DEST Menu 2
Enter a new destination using the Destination Menu screen even when you are
en
route.
1. Select a method to enter a new
destinati ...
M/T Differential Backlash Inspection (M/T)
Place the differential assembly on V-blocks (A), and install the right
driveshaft (B) and the left driveshaft (C).
Measure the backlash of both pinion gears (D) with a dial in ...