Check the play of the release bearing by spinning it by hand. If there is excessive play or noise, replace the release bearing.

NOTE: The release bearing is packed with grease. Do not wash it in solvent.
Transmission Range Switch Replacement (A/T)
Raise the vehicle on a lift, or apply the parking brake, block the rear
wheels, and raise the front of the vehicle. Make sure it is securely
supported.
Shift to N.
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Spark Plug Inspection
Remove the ignition coils and the spark plugs.
Inspect the electrodes and the ceramic insulator:
Burned or worn electrodes may be caused by these conditions:
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Specifications
*1: Sport models
*2: Not available on all models
*1: Automatic transmission models
*2: Manual transmission models
*1: All models except Sport models
*2: Sport models
*3: U.S. models ...