Acura 3.5 RL Manual page 606

Countershaft
Disassembly/lnspection/Reassembly
NOTE:
• Lubricate all parts with ATF during reassembly.
• Inspect the thrust needle bearings and the needle bearings for galling and rough movement.
• Before installing the O-rings, wrap the shaft splines with tape to prevent damage to the O-rings.
• The locknut has left-hand threads.