Transmission Disassembly

Special Tools Required 

Mainshaft holder 07GAB-PF50101 or 07PAB-0010001

1. Remove the ATF dipstick (A) and the dipstick guide pipe (B).
   Fig 1: Disassembling Transmission Components

   Courtesy of AMERICAN HONDA MOTOR CO., INC.
2. Remove the A/T clutch pressure control solenoid valve A and B (C) (six bolts), ATF feed pipes (D) (three), O-rings (three), and gasket.
3. Remove the solenoid valve cover (E) (seven bolts), dowel pins (two), and gasket.
4. Disconnect solenoid valve connectors, then remove the solenoid harness connector (F).
5. Remove the A/T clutch pressure control solenoid valve C (G) (four bolts), ATF feed pipes (H) (three), O-rings (two), and gasket.
6. Pry the lock tab of the lock washer (I) on the control lever (J), and remove the nut, lock washer, spring washer and control lever.
7. Pry the lock tabs of the lock washer (K) on the transmission range switch (L), hold the selector control shaft (M) with a 6.0 mm wrench, and loosen the lock nut (N).
8. Remove the lock nut and lock washer, then remove the transmission range switch (two bolts).
9. Remove the output shaft (countershaft) speed sensor (O), input shaft (mainshaft) speed sensor (P), ATF temperature sensor (Q), and the sensor harness clamp bracket (R).
10. Remove the end cover (S) (three bolts), snap ring cap (T) (two bolts), sealing plug (U), and washer (V).
11. Remove the line bolts (W), ATF cooler lines (X) and sealing washers (Y).
12. Remove 3rd clutch transmission fluid pressure switch (Z) and washer.
13. Remove 4th clutch transmission fluid pressure switch (AA) and sealing washer.
14. Slip the special tool onto the mainshaft.
    Fig 2: Slipping Special Tool Onto Mainshaft

    Courtesy of AMERICAN HONDA MOTOR CO., INC.
15. Cut the lock tab (A) of the mainshaft lock nut (B) using a chisel (C).
    NOTE: keep all of the chiseled particles out of the transmission.