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Home >> Honda >> 2003 >> Odyssey LX >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Removal & Installation >> Transmission Removal

Transmission Removal

Special Tools Required: 

  1. Before disconnecting the battery, make sure you have the anti-theft code for the radio, then write down the frequencies for the radio's preset stations.
  2. Remove the bolt securing the lower portion of the windshield washer reservoir opening. Remove the support rod, then fix the hood in a vertical position using the support rod.
  3. Remove the engine covers.
    Fig 1: Removing Engine Covers
    G01502292Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Remove the intake air duct, resonator cover, and air cleaner housing assembly.
  5. Disconnect the battery negative terminal, then remove the battery positive terminal.
  6. Remove the battery hold-down bracket, then remove the battery and battery tray.
  7. Remove the battery cable clamps, connector, and relay bracket from the battery base.
  8. Remove the battery base.
  9. Raise the vehicle, and make sure it is securely supported.
  10. Remove the splash shield.
  11. Remove the drain plug (A), and drain the automatic transmission fluid (ATF). Reinstall the drain plug and a new sealing washer (B).
    Fig 2: Removing & Installing Transmission Drain Plug
    G01502293Courtesy of AMERICAN HONDA MOTOR CO., INC.
  12. Remove the breather tube (A) from its clamp (B) on the radiator hose (C).
    Fig 3: Removing Breather Tube From Its Clamp On Radiator Hose
    G01502294Courtesy of AMERICAN HONDA MOTOR CO., INC.
  13. Remove the ATF cooler hose (A) from the clamp (B) on the starter, and paint a white dot (C) on the hose where it came out of the clamp.
    Fig 4: Removing ATF Cooler Hose From Clamp On Starter
    G01502295Courtesy of AMERICAN HONDA MOTOR CO., INC.
  14. Remove the ATF cooler hose (A) from the ATF cooler lines (D). Turn the ends of the ATF cooler hoses up to prevent ATF from flowing out, then plug the ATF cooler hoses and lines. Check for any signs of leakage at the hose joints.
  15. Remove the starter cables (A) from the starter (B), then remove the starter.
    Fig 5: Removing Starter Cables From Starter
    G01502296Courtesy of AMERICAN HONDA MOTOR CO., INC.
  16. Remove the harness clamps (B) from the brackets (D), then disconnect the connectors from the shift solenoid valves A and C, A/T clutch pressure control solenoid valve C (E), 4th clutch transmission fluid pressure switch (F), and input shaft (mainshaft) speed sensor (G).
    Fig 6: Removing Harness Clamps From Brackets & Disconnecting Connectors
    G01502297Courtesy of AMERICAN HONDA MOTOR CO., INC.
  17. Remove the 8P connector (C) from the connector bracket (D), then disconnect the connector.
    Fig 7: Disconnecting 8P Connector
    G01502298Courtesy of AMERICAN HONDA MOTOR CO., INC.
  18. Remove the harness clamps (E) from the brackets (F), then disconnect the connectors from the A/T clutch pressure control solenoid valves A and B.
  19. Disconnect the connectors from the torque converter clutch solenoid valve (A) and shift solenoid valve (B).
    Fig 8: Disconnecting Connectors From Torque Converter Clutch Solenoid Valve & Shift Solenoid Valve
    G01502299Courtesy of AMERICAN HONDA MOTOR CO., INC.
  20. Remove the transmission range switch connector (A) from the connector bracket (B).
    Fig 9: Removing Transmission Range Switch Connector From Connector Bracket
    G01502300Courtesy of AMERICAN HONDA MOTOR CO., INC.
  21. Disconnect the transmission range switch connector, then remove the harness clamp (C) from the bracket (D).
  22. Disconnect the connector from the output shaft (countershaft) speed sensor (E).
  23. Remove the bolts securing the harness cover (F), harness clamp (G), and bracket (H).
  24. Remove the primary heated oxygen sensor (Primary HO2S) connector (A) from its connector bracket (B).
    Fig 10: Removing Primary Heated Oxygen Sensor Connector From Its Connector Bracket
    G01502301Courtesy of AMERICAN HONDA MOTOR CO., INC.
  25. Disconnect the Primary HO2S connector (A), and remove the Primary HO2S harness from the harness clamp (C).
  26. Remove the transmission housing mounting bolts (3).
    Fig 11: Removing Transmission Housing Mounting Bolts
    G01502302Courtesy of AMERICAN HONDA MOTOR CO., INC.
  27. Remove the nut (A) from the front mount (B), and remove the ground cable (C) from the engine.
    Fig 12: Removing Ground Cable From Engine
    G01502303Courtesy of AMERICAN HONDA MOTOR CO., INC.
  28. Lift and support the engine with engine support hanger (A) and engine balancer bar (B). Attach the front arm (C) to the front cylinder head with a spacer (D) and the 10 x 1.25 mm bolt (E). Attach the rear arm (F) the rear cylinder head with the 8 x 1.25 mm bolt (G).
    Fig 13: Lifting & Supporting Engine With Engine Support Hanger & Engine Balancer Bar
    G01502304Courtesy of AMERICAN HONDA MOTOR CO., INC.
  29. Remove the oxygen sensor connectors (B) from their connector brackets (C), and remove the harness from the clamps (D).
    Fig 14: Removing Oxygen Sensor Connectors From Their Connector Brackets
    G01502305Courtesy of AMERICAN HONDA MOTOR CO., INC.
  30. Remove the exhaust pipe (A) and three-way catalytic converter (E).
  31. Remove the spring pins (A) and castle nuts (B), and separate the lower arms (C) from the knuckles (D) (see LOWER ARM REMOVAL & INSTALLATION ).
    Fig 15: Separating Lower Arms From Knuckles
    G01502306Courtesy of AMERICAN HONDA MOTOR CO., INC.
  32. Put a 6 mm Allen wrench (E) in the top of the joint pin (F), and remove the nut (G), then separate the stabilizer link (H).
  33. Remove the bolts securing the shift cable holder (A), then remove the shift cable cover (B).
    NOTE: To prevent damage to the control lever joint, remove the bolts securing the holder before removing the bolt securing the cover.
    Fig 16: Removing Shift Cable Cover
    G01502307Courtesy of AMERICAN HONDA MOTOR CO., INC.
  34. Remove the lock bolt (C) securing the control lever (D), then remove the shift cable (E) with the control lever. Do not bend the shift cable excessively.
  35. Install a 6 x 1.0 x 14 mm bolt (A) and nut (B) on the shift cable cover (C), then reinstall the shift cable cover to the torque converter housing.

    If you don't do this, the bolt head of the cable cover may prevent you from removing the torque converter during transmission removal.

    Fig 17: Reinstalling Shift Cable Cover To Torque Converter Housing
    G01502308Courtesy of AMERICAN HONDA MOTOR CO., INC.
  36. Remove the torque converter cover (A), then remove the eight drive plate bolts (B) one at a time while rotating the crankshaft pulley.
    Fig 18: Locating Torque Converter Cover
    G01502309Courtesy of AMERICAN HONDA MOTOR CO., INC.
  37. Remove the engine stiffener bolts (C).
  38. Remove the clamp (A) on the power steering fluid return hose (B) from the bracket (C).
    Fig 19: Removing Clamp On Power Steering Fluid Return Hose From Bracket
    G01502310Courtesy of AMERICAN HONDA MOTOR CO., INC.
  39. Remove the power steering fluid line bracket bolts (D) and bracket (E), and remove the steering gearbox mounting bolt (F).
  40. Remove the stiffener (A), the steering gearbox mounting bolt (B) and nut (C).
    Fig 20: Removing Stiffener, Steering Gearbox Mounting Bolt & Nut
    G01502311Courtesy of AMERICAN HONDA MOTOR CO., INC.
  41. Remove the steering gearbox mounting bolts (A) and nut (B), and remove the stiffener (C).
    Fig 21: Locating Steering Gearbox Mounting Bolts & Nuts, And Stiffener
    G01502312Courtesy of AMERICAN HONDA MOTOR CO., INC.
  42. Remove the rear mount mounting bolts (D).
  43. Unclamp the power steering fluid line clamps (A), and remove the bolt (B) securing the power steering fluid line bracket (C).
    Fig 22: Removing Power Steering Fluid Line Bracket
    G01502313Courtesy of AMERICAN HONDA MOTOR CO., INC.
  44. Remove the transmission lower mount nuts.
    Fig 23: Removing Transmission Lower Mount Nuts
    G01502314Courtesy of AMERICAN HONDA MOTOR CO., INC.
  45. Make reference marks (A) on the body across the marks (B) on the edge of the front subframe (C).
    Fig 24: Making Reference Marks On Body Across Marks On Edge Of Front Subframe
    G01502315Courtesy of AMERICAN HONDA MOTOR CO., INC.
  46. Loosen the four bolts (A) holding the adjustable arms (B) of the front subframe adapter (T/N EQS07AODSY0) to its center plate.
    NOTE: The adapter is designed to be used with the Honda transmission jack (model number LSL-W93714) or powertrain lift (model number OTC-1585), both available through the Honda Tool and Equipment Program. It will also work with most commercially available transmission jack.
    Fig 25: Preparing Adjustable Arms Of Front Subframe Adapter
    G01502316Courtesy of AMERICAN HONDA MOTOR CO., INC.
  47. Line up the slots in the arms with the bolt holes on the corner of the jack base, then attach the adapter to the jack base with the bolts (A) that came with the jack. Tighten the bolts securely.
    Fig 26: Attaching Front Subframe Adapter To Jack Base
    G01502317Courtesy of AMERICAN HONDA MOTOR CO., INC.
  48. Raise the jack to vehicle height, then attach the adapter to the front subframe by sliding the adapter's nut plates (B), between the subframe and the body.
    Fig 27: Attaching Front Subframe Adapter To Front Subframe
    G01502318Courtesy of AMERICAN HONDA MOTOR CO., INC.
  49. Insert the nut plate bolts through the holes in the adapter and the subframe; then thread the bolts (C) into the nut plates and tighten them to 54 N.m (5.5 kgf.m, 40 lbf.ft).
  50. Remove the 12 x 1.25 mm bolts (A), subframe mounting bolts (4) (B), and the stiffeners (C), then lower the front subframe (D).
    Fig 28: Locating Front Subframe Mounting Bolts & Stiffeners
    G01502319Courtesy of AMERICAN HONDA MOTOR CO., INC.
  51. Remove the transmission lower mounts.
    Fig 29: Removing Transmission Lower Mounts
    G01502320Courtesy of AMERICAN HONDA MOTOR CO., INC.
  52. Pry the left driveshaft out of the differential and the right driveshaft from the intermediate shaft (see AXLE SHAFTS ).
  53. Move the left driveshaft to the front side. Coat all precision finished surfaces with clean engine oil, then tie the plastic bags over the driveshaft ends.
    Fig 30: Putting Plastic Bags Over Driveshaft Ends
    G01502321Courtesy of AMERICAN HONDA MOTOR CO., INC.
  54. Remove the intermediate shaft.
    Fig 31: Removing Intermediate Shaft
    G01502322Courtesy of AMERICAN HONDA MOTOR CO., INC.
  55. Coat all precision finished surfaces with clean engine oil, then tie plastic bags over both ends of the intermediate shaft.
  56. Remove the front mount bracket.
    Fig 32: Removing Front Mount Bracket
    G01502323Courtesy of AMERICAN HONDA MOTOR CO., INC.
  57. Remove the transmission housing mounting bolts.
    Fig 33: Removing Transmission Housing Mounting Bolts
    G01502324Courtesy of AMERICAN HONDA MOTOR CO., INC.
  58. Pull the transmission away from the engine until it clears the dowel pins, then lower it on the transmission jack.
    NOTE: If the torque converter is stuck to the drive plate, pull it toward the transmission housing through the starter opening.
  59. Remove the shift cable cover, then remove the torque converter assembly from the torque converter housing.
    Fig 34: Removing Torque Converter Housing
    G01502325Courtesy of AMERICAN HONDA MOTOR CO., INC.
  60. Inspect the drive plate, and replace it if it's damaged.
  61. Remove the 6 x 1.0 x 14 mm bolt (A) and nut (B) from the shift cable cover (C).
Fig 35: Removing Bolt & Nut From Shift Cable Cover
G01502326Courtesy of AMERICAN HONDA MOTOR CO., INC.