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.
Carbon Monoxide Hazard
Your vehicle’s exhaust contains carbon monoxide gas. Carbon monoxide should not
enter the vehicle in normal driving if you maintain your vehicle properly and follow
the information on this page. ...
ATF Replacement (A/T)
NOTE: Keep all foreign particles out of the transmission.
Warm up the engine to normal operating temperature (the radiator fan
comes on), and turn the engine off.
Raise the vehic ...
Reverse Shift Fork Clearance Inspection (M/T)
Measure the clearance between the reverse idler gear (A) and the reverse
shift fork (B) with a feeler gauge (C). If the clearance is more than the
service limit, go to step 2.
...