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.
Engine Oil/Air Separator Installation
Remove all of the old liquid gasket from the oil/air separator mating
surfaces, the bolts, and the bolt holes.
Clean and dry the oil/air separator mating surfaces.
App ...
Regulator Valve Body Disassembly, Inspection, and Reassembly (A/T)
Clean all parts thoroughly in solvent, and dry them with compressed air.
Blow out all passages except the air check valve filter.
Inspect the regulator valve body for scoring and ...
Instrument Panel
Gauges/Information Display/System Indicators
Lights Reminders
System Indicators
System Indicators
System Indicators
System Indicators
...