Automatic Transmission: Countershaft: Disassembly/Reassembly

Remove the reverse selector hub and the 4th gear using a universal two-jaw (or three-jaw) puller as shown.

Fig 1: Removing Reverse Selector Hub And 4th Gear
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Assemble the parts on the countershaft as shown below.
NOTE:
- Lubricate all parts with ATF during assembly.
- Before installing the O-rings, wrap the shaft splines with tape to prevent damaging the O-rings.
  
  Fig 2: Parts Assembling View Of Countershaft
  Courtesy of AMERICAN HONDA MOTOR CO., INC.
Install the reverse selector hub on the countershaft sub-assembly, and then press the reverse selector hub using the special tool and a press as shown.

Fig 3: Pressing Reverse Selector Hub
Courtesy of AMERICAN HONDA MOTOR CO., INC.