Transmission Disassembly

Special Tools Required 

Mainshaft Holder Set 07PAB-0010001

1. Remove the ATF dipstick (D) and the dipstick tube (E).
   Fig 1: Disassembled View Of Automatic Transmission

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

    Courtesy of AMERICAN HONDA MOTOR CO., INC.
17. Cut the lock tab (A) of the mainshaft locknut (B) using a chisel (C).
    NOTE: Keep all of the chiseled particles out of the transmission.
Fig 3: Cutting Lock Tab Of Mainshaft Locknut Using Chisel
Courtesy of AMERICAN HONDA MOTOR CO., INC.
18. Remove the locknut (A) from the mainshaft (B).
    Fig 4: Identifying Locknut On Mainshaft

    Courtesy of AMERICAN HONDA MOTOR CO., INC.
19. Pry the splined washer (C), and remove it.
20. Remove the transmission housing mounting bolts (A) (23 bolts), the special bolt (B), the transmission hanger (C), and the ground terminal bracket (D).
    Fig 5: Transmission Housing Mounting Bolts, Special Bolt, Transmission Hanger And Ground Terminal Bracket With Torque Specifications

    Courtesy of AMERICAN HONDA MOTOR CO., INC.
21. Use snap ring pliers to expand the snap ring of the countershaft bearing, then lift the transmission housing.
    Fig 6: Expanding Snap Ring Of Countershaft Bearing Using Snap Ring Pliers

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

    Courtesy of AMERICAN HONDA MOTOR CO., INC.
28. Remove the park pawl stop (K), the park pawl (L), the pawl spring (M), and the pawl shaft (N).
29. Remove the mainshaft (O), the countershaft (P), the shift fork (J), and the secondary shaft (Q) together, and remove the thrust needle bearing (R) from the torque converter housing.
    Fig 8: Identifying Mainshaft, Countershaft, Shift Fork And Secondary Shaft

    Courtesy of AMERICAN HONDA MOTOR CO., INC.
30. Remove the selector control shaft and park lever link (S).
31. Remove the baffle plate (T).
32. Remove the differential assembly (U).
33. Remove the transfer output shaft (V).
34. Remove the baffle plate (W).
35. Remove the intermediary shaft (X).
36. Remove the ATF strainer (A) (one bolt).
    Fig 9: Identifying ATF Strainer And Related Components

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

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