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.

Pressure Plate Inspection and Removal
Remove the transmission.
Check the evenness of the height of the diaphragm spring fingers using
the clutch alignment disc (A), clutch alignment shaft (B), remover handle
(C ...
Center Vent
NOTE: Take care not to scratch the dashboard or its related parts.
Remove these items:
Audio unit, without navigation system
('9-11 models)
Audio unit, with ...
Door Position Adjustment
NOTE: Check for a flush fit with the body, then check for equal gaps between
the front, rear, and bottom door edges and the body. Check that the door and body
edges are parallel.
Place the ...