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.

ATF Cooler Cleaning (A/T)
Special Tools Required
ATF Cooler Cleaner GHTTTCF6H
Magnetic Nonbypass Spin-On Filter GTHGNBP2
*: Available through the Honda Tool and Equipment Program 888-424-6857.
Before installing an ...
System Controls
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Transmission Housing Bearing Installation (A/T)
Special Tools Required
Bearing Driver Attachment, 72 x 75 mm 07746-0010600
Bearing Driver Attachment, 78 x 80 mm 07NAD-PX40100
Bearing Driver Attachment, 62 x 68 mm 07746-0010500
Driver Handle ...