Remove the sealing bolt (A) and the sealing washer (B).

Remove the lubrication check valve (C) from the torque converter housing (D).
Install the lubrication check valve, a new sealing washer, and the sealing bolt.
Introduction
Congratulations! Your selection of a 2008 Honda Fit was a wise investment.
It will give you years of driving pleasure.
One of the best ways to enhance the enjoyment of your new vehicle is to read
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Maintenance
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Ignition Switch
Manual transmission models
WARNING
Removing the key from the ignition switch
while driving locks the steering. This can
cause you to lose control of the vehicle.
Remove the key from the ignit ...