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.
A/C System Inspection (With A/C)
NOTE: For A/C system noise,
go to the A/C System Noise Check.
Before troubleshooting any problem with the air conditioning system, other than
noise, do the following:
Check that the HVAC ai ...
Numbers
...
Vehicle Identification Number (VIN)
Your vehicle has a 17-digit vehicle identification number (VIN) used to
register your
vehicle for warranty purposes, and for licensing and insuring your vehicle. See
the
image below for the VIN ...