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.
    Fig 3: Cutting Lock Tab Of Mainshaft Lock Nut Using Chisel

    Courtesy of AMERICAN HONDA MOTOR CO., INC.
16. Remove the lock nut (A) from the mainshaft (B).
    Fig 4: Removing Lock Nut From Mainshaft

    Courtesy of AMERICAN HONDA MOTOR CO., INC.
17. Pry the lock washer (C), and remove it.
18. Remove the transmission housing mounting bolts (24 bolts), and transmission hanger (A) and ground terminal bracket (B).
    Fig 5: Removing Transmission Housing Mounting Bolts, And Transmission Hanger And Ground Terminal Bracket

    Courtesy of AMERICAN HONDA MOTOR CO., INC.
19. While expanding the snap ring of the countershaft bearing using the snap ring pliers, then lift the transmission housing.
    Fig 6: Lifting Transmission Housing Using Snap Ring Plier

    Courtesy of AMERICAN HONDA MOTOR CO., INC.
20. Release the pliers, and remove the transmission housing (C), two dowel pins (D), and gasket.
21. Remove the ATF feed pipes (E) (four) from the accumulator body.
22. Remove the ATF feed pipes (F) (two) from the torque converter housing.
23. Remove the special tool from the mainshaft.
24. Pry the lock tab of the lock washer (G) on the shift fork (H), then remove the bolt and lock washer.
25. Unlock the detent spring from the detent arm.
    Fig 7: Unlocking Detent Spring From Detent Arm

    Courtesy of AMERICAN HONDA MOTOR CO., INC.
26. Remove the park pawl stop (I), park pawl (J), pawl spring (K), and pawl shaft (L).
27. Remove the mainshaft (M), countershaft (N), shift fork (H), and secondary shaft (O) together, and remove the needle bearing (P) from the toque converter housing.
    Fig 8: Removing Park Pawl Stop, Park Pawl, Pawl Spring , And Pawl Shaft

    Courtesy of AMERICAN HONDA MOTOR CO., INC.
28. Remove the selector control shaft and park lever link (Q).
29. Remove the baffle plate (R).
30. Remove the differential assembly (S).
31. Remove the transfer output shaft (T).
32. Remove the intermediary shaft (U).
33. Remove the ATF strainer (A) (one bolt).
    Fig 9: Removing Transmission Components

    Courtesy of AMERICAN HONDA MOTOR CO., INC.
34. Remove the accumulator body (B) (11 bolts), dowel pins (two), detent arm (C), arm shaft (D), and separator plate (E).
35. Remove the ATF feed pipe (F) from the main valve body.
36. Remove the secondary valve body (G) (one bolt), dowel pins (two), and separator plate (H). Do not let the check balls (I) (three) and the choke (J) fall out.
37. Remove the regulator valve body (K) (nine bolts), stator shaft (L), stator shaft stop (M), dowel pins (two), and separator plate (N).
38. Remove the main valve body (O) (8 mm: three bolts, 6 mm: seven bolts). Do not let the cooler check valve (ball) (P), spring (Q), and lubrication check valve (R) fall out.
39. Remove the torque converter check valve (S) and valve spring (T).
40. Remove the ATF pump driven gear shaft (U), then remove the ATF pump gears (V).
41. Remove the dowel pins (two) and main separator plate (W).
42. Remove the ATF passage pipe (X).
43. Remove the ATF magnet (Y), clean it, then reinstall.
44. Remove the O-ring (Z) from the ATF strainer, and replace the new O-ring when reassembling the transmission.
45. Remove the O-ring (AA) from the stator shaft, and replace the new O-ring when reassembling the transmission.
46. Clean the inlet opening (A) of the ATF strainer (B) thoroughly with compressed air, then check that it is good condition and that inlet opening is not clogged.
    Fig 10: Cleaning Inlet Opening Of ATF Strainer

    Courtesy of AMERICAN HONDA MOTOR CO., INC.
47. Test the ATF strainer by pouring clean ATF through the inlet opening, and replace if it is clogged or damaged.