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.
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 ...
Fuel and Emissions System Description - Electronic Control System
Electronic Control Systems
The functions of the fuel and emission control systems are managed by the
engine control module (ECM) on vehicles with manual transmissions or the
powertrain cont ...
Driving
This chapter discusses driving, refueling, and information on items such as
accessories. ...