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.
Brake Hose Replacement
notice
Do not spill brake fluid on the vehicle; it may damage the paint. If
brake fluid gets on the paint, wash it off immediately with water.
NOTE:
Bef ...
Reporting Safety Defects
In the U.S.
If you believe that your vehicle has a defect which could cause a crash or
could cause injury or death, you
should immediately inform the National Highway Traffic Safety Administration ...
A/T System Description - Lock-Up System (A/T)
Lock-up SystemThe lock-up mechanism of the torque converter
clutch operates in all five gears in D, in 3rd gear in D3, and 3rd and 4th
gears in S with the automatic shift mode. The pressurize ...