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.
Map Coverage
The navigation system provides map
coverage for the contiguous United States,
Alaska, Hawaii, Canada, and Puerto Rico.
The map coverage consists of accurately
mapped (verified) metropolitan area ...
Wheel Runout Inspection
Raise and support the vehicle.
Check for a bent or deformed wheel.
Set up the dial gauge as shown, and measure the axial runout by turning
the wheel.
...
Countershaft Inspection (M/T)
Inspect the gear and bearing contact areas for wear and damage, then
measure the countershaft at points A, B, and C. If any part of the
countershaft is less than the service limit, replace ...