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.
Radiator Replacement
Raise the vehicle on the lift.
Drain the engine coolant.
Disconnect the ECT sensor 2 connector (A), then remove the harness clamp
(B).
With A/C: Re ...
Torque Converter Housing Lubrication Check Valve Replacement (A/T)
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 val ...