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.
Air Cleaner Removal/Installation
Disconnect the MAF sensor/IAT sensor connector(A), then remove the air
cleaner cover (B) and the air cleaner element (C).
NOTE: Be careful not to damage the MAF sensor/IAT sensor on the air ...
Turn Signals
The turn signals can be used when the ignition
switch is in ON .
...
Immobilizer-Keyless Control Unit Replacement
NOTE: SRS components are located in the area. Review the
SRS component locations, and
precautions and procedures before doing repairs or
servicing.
Remove the steering column ...