Honda Fit: Mainshaft Disassembly, Inspection, and Reassembly (A/T)

Inspect the thrust needle bearings and the needle bearings for galling and rough movement.

Inspect the splines for excessive wear and damage.
Check the shaft bearing surfaces for scoring and excessive wear.
Before installing the O-rings, wrap the shaft splines with tape to prevent O-ring damage.
Lubricate all parts with ATF during assembly.
Install the conical spring washer and the 40 x 63 mm thrust washer in the direction shown.
Replace the locknut and the conical spring washer with new ones when assembling the transmission.
Check the axial clearance of 3rd gear.