The sealing rings are synthetic resin with chamfered ends. Check the condition of the sealing rings, and replace them only if they are worn, distorted, or damaged.
For a better fit, squeeze sealing rings together slightly before installing them.

Apply ATF to the new sealing rings, then install them on the secondary shaft.

After installing the sealing rings, verify the following:
The rings are fully seated in the groove.
The rings are not twisted.
The chamfered ends of the rings are properly joined.
Adjusting the Mirrors
Keep the inside and outside mirrors clean and
adjusted for best visibility.
Adjust the mirrors before you start driving. ...
Driveshaft Installatio
NOTE: Before starting installation, make sure the mating surfaces of the
joint and the splined section are clean.
Apply about 5 g (0.18 oz) moly 60 paste (P/N 08734-0001) to the contact
ar ...
Interior Trim Removal/Installation - Cargo Area
Special Tools Required
KTC Trim Tool Set SOJATP2014
*Available through the Honda Tool and Equipment Program; call 888-424-6857
NOTE:
Put on gloves to protect your hands.
Tak ...