LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Honda >> 2004 >> Pilot EX >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Removal & Installation >> Transmission Installation
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Transmission Installation

  1. Flush the ATF cooler (see ATF COOLER FLUSHING ).
  2. Install the transmission lower mounts.
    Fig 1: Installing The Transmission Lower Mounts
    G01464552Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Install the torque converter assembly (A) on the mainshaft (B) with a new O-ring (C).
    Fig 2: Installing The Torque Converter Assembly On The Mainshaft
    G01464553Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Install the 14 mm dowel pin (D) and 10 mm dowel pin (E) in the torque converter housing (F).
  5. Place the transmission on a jack, and raise it to engine level.
  6. Attach the transmission to the engine, then install the transmission housing mounting bolts.
    Fig 3: Attaching The Transmission To The Engine
    G01464554Courtesy of AMERICAN HONDA MOTOR CO., INC.
  7. Install the transmission housing mounting bolts.
    Fig 4: Installing The Transmission Housing Mounting Bolts
    G01464555Courtesy of AMERICAN HONDA MOTOR CO., INC.
  8. Install the front mount bracket.
    Fig 5: Installing The Front Mount Bracket
    G01464556Courtesy of AMERICAN HONDA MOTOR CO., INC.
  9. Install a new set ring (A) on the intermediate shaft (B).
    Fig 6: Installing Set Ring On The Intermediate Shaft
    G01464557Courtesy of AMERICAN HONDA MOTOR CO., INC.
  10. Clean the areas where the intermediate shaft contacts the transmission (differential) with solvent or carburetor cleaner, and dry with compressed air. Then install the intermediate shaft in the differential. While installing the intermediate shaft, be sure not to allow dust or other foreign particles to enter the transmission.
  11. Install a the new set ring (A) on the left driveshaft (B).
    Fig 7: Installing Set Ring On The Left Driveshaft
    G01464558Courtesy of AMERICAN HONDA MOTOR CO., INC.
    12. NOTE:
    • Clean the areas where the left driveshaft contacts the transmission (differential) with solvent or carburetor cleaner, and dry with compressed air.
    • Turn the right and left steering knuckle fully outward, and slide the left driveshaft into the differential until you feel its set ring engage the side gear. Slide the right driveshaft over the intermediate shaft splines until you feel the driveshaft engage the intermediate shaft set ring.
  12. Install the right and left driveshafts (see AXLE SHAFTS ). While installing the left driveshaft in the differential, be sure not to allow dust or other foreign particles to enter the transmission.
  13. Support the front subframe with the front subframe adapter (T/N EQS02BMDXSB0) and a jack, and lift it up to the body.
    Fig 8: Supporting The Front Subframe With The Front Subframe Adapter & Jack
    G01464559Courtesy of AMERICAN HONDA MOTOR CO., INC.
  14. Loosely install the four front subframe mounting bolts (A) and the 12 x 1.25 mm bolts (6) (B), (C) with the stiffeners (D).
    Fig 9: Loosely Installing The Four Front Subframe Mounting Bolts & The 12 X 1.25 Mm Bolts With The Stiffeners
    G01464560Courtesy of AMERICAN HONDA MOTOR CO., INC.
  15. Align all reference marks (A) on the front subframe (B) with the body, then tighten the bolts on the front subframe to the specified torque.
    Fig 10: Aligning Reference Marks On The Front Subframe With The Body
    G01464561Courtesy of AMERICAN HONDA MOTOR CO., INC.
  16. Install the rear mount bracket bolts.
    Fig 11: Installing The Rear Mount Bracket Bolts
    G01464562Courtesy of AMERICAN HONDA MOTOR CO., INC.
  17. Install the transmission lower mount nuts.
    Fig 12: Installing The Transmission Lower Mount Nuts
    G01464563Courtesy of AMERICAN HONDA MOTOR CO., INC.
  18. Connect the power steering fluid hose (A) to the pipe (B) at the right front of the subframe (C), then secure the hose with its hose clamp (D).
    Fig 13: Connecting The Power Steering Fluid Hose To The Pipe At The Right Front Of The Subframe
    G01464564Courtesy of AMERICAN HONDA MOTOR CO., INC.
  19. Connect the power steering pressure switch connector.
    Fig 14: Connecting The Power Steering Pressure Switch Connector
    G01464565Courtesy of AMERICAN HONDA MOTOR CO., INC.
  20. Install the engine-to-torque converter housing mounting bolts (A).
    Fig 15: Installing The Engine-To-Torque Converter Housing Mounting Bolts
    G01464566Courtesy of AMERICAN HONDA MOTOR CO., INC.
  21. Attach the torque converter to the drive plate (B) with eight bolts (C). Rotate the crankshaft pulley as necessary to tighten the bolts to 1/2 of the specified torque, then to the final torque, in a crisscross pattern. After tightening the last bolt, check that the crankshaft rotates freely.
  22. Install the torque converter cover (D).
  23. Tighten the crankshaft pulley bolt as necessary (see CRANKSHAFT PULLEY REMOVAL & INSTALLATION ).
  24. Install the transfer assembly (A) with the new O-ring (B), dowel pin (C), and Primary HO2S harness clamp bracket (D) on the transmission.
    Fig 16: Installing The Transfer Assembly With The O-Ring, Dowel Pin & Primary HO2S Harness Clamp Bracket On The Transmission
    G01464567Courtesy of AMERICAN HONDA MOTOR CO., INC.
  25. Tighten the bolts in a crisscross pattern in two or more steps.
  26. Install the control lever (A) with the shift cable (B) on the control shaft (C), and install the change shaft (D). Do not bend to shift cable excessively.
    Fig 17: Installing The Control Lever With The Shift Cable On The Control Shaft & Installing The Change Shaft
    G01464568Courtesy of AMERICAN HONDA MOTOR CO., INC.
  27. Install the lock bolt (E) with a new lock washer (F), then bend the lock washer tab against the bolt head.
  28. Install the shift cable holder (G) and the shift cable cover (H).
  29. Install the ball joints on each lower arm (A) to each knuckle (B) with the castle nuts (C) and spring clips (D).
    Fig 18: Installing The Ball Joints On Lower Arm To Knuckle With The Castle Nuts & Spring Clips
    G01464569Courtesy of AMERICAN HONDA MOTOR CO., INC.
  30. Install the nuts (E) to the ball joint pins (F) on each stabilizer link (G). Insert a 6 mm Allen wrench (H) in the top of the ball joint pins, and tighten the nuts to the specified torque.
  31. Install the tie-rod end ball joints (I) to each knuckle with the nuts (J) and new cotter pins (K).
  32. Remove the transmission jack from the transmission.
  33. Install the propeller shaft (A) to the transfer companion flange (B) by aligning the reference mark (C).
    Fig 19: Installing The Propeller Shaft To The Transfer Companion Flange By Aligning The Reference Mark
    G01464570Courtesy of AMERICAN HONDA MOTOR CO., INC.
  34. Install the exhaust pipe (A) with the new gaskets (B).
    Fig 20: Installing The Exhaust Pipe
    G01464571Courtesy of AMERICAN HONDA MOTOR CO., INC.
  35. Install the Primary HO2S harness clamp bracket (A) on the transmission, and clamp the harness with harness clamp (B).
    Fig 21: Installing The Primary HO2S Harness Clamp Bracket On The Transmission & Clamping The Harness
    G01464572Courtesy of AMERICAN HONDA MOTOR CO., INC.
  36. Install the front subframe stiffener.
    Fig 22: Installing The Front Subframe Stiffener
    G01464573Courtesy of AMERICAN HONDA MOTOR CO., INC.
  37. Install and tighten the front mount nut.
    Fig 23: Installing & Tightening The Front Mount Nut
    G01464574Courtesy of AMERICAN HONDA MOTOR CO., INC.
  38. Remove the engine hanger from the engine.
  39. Connect the Primary HO2S connector (A), and install the connector on its connector bracket (B).
    Fig 24: Connecting The Primary HO2S Connector & Connector Bracket
    G01464575Courtesy of AMERICAN HONDA MOTOR CO., INC.
  40. Install the harness cover (A) on the connector bracket (B).
    Fig 25: Installing The Harness Cover On The Connector Bracket
    G01464576Courtesy of AMERICAN HONDA MOTOR CO., INC.
  41. Connect the transmission range switch connector (C), then install it on the connector bracket (D). Install the harness clip (E) on the bracket (F).
  42. Install the joint connector (G) on the connector bracket.
  43. Connect the output shaft (countershaft) speed sensor connector (H).
  44. Connect torque converter clutch solenoid connector (A) and shift solenoid valve B connector.
    Fig 26: Connecting Torque Converter Clutch Solenoid Connector & Shift Solenoid Valve Connector
    G01464577Courtesy of AMERICAN HONDA MOTOR CO., INC.
  45. Connect the connectors to the A/T clutch pressure control solenoid valves A and B, then install the harness clips (C) on the brackets (D).
    Fig 27: Connecting The Connectors To The A/T Clutch Pressure Control Solenoid Valves A & B
    G01464578Courtesy of AMERICAN HONDA MOTOR CO., INC.
  46. Connect the 8P connector (E), then install it on its connector bracket (F).
  47. Install the transmission ground cable (B).
    Fig 28: Installing The Transmission Ground Cable
    G01464579Courtesy of AMERICAN HONDA MOTOR CO., INC.
  48. Connect the connectors to the input shaft (mainshaft) speed sensor (D), 4th clutch transmission fluid pressure switch (E), A/T clutch pressure control solenoid valve C (F), and shift solenoid valves A and C, then install the harness clips (G) on the brackets (H). Do not allow water, fluid, oil, dust, or other foreign particles to enter any of the connectors.
  49. Install the starter (A) on the torque converter housing. Connect the starter cables (B) to the starter, and install the harness clip (C) on the bracket (D). Make sure the crimped side of the starter cable ring terminal is facing out.
    Fig 29: Installing The Starter
    G01464580Courtesy of AMERICAN HONDA MOTOR CO., INC.
  50. Connect the ATF cooler hoses (A) to the ATF cooler lines (B), then secure the hoses with the clips (C) (see ATF Cooler Hose Installation  ).
    Fig 30: Connecting The ATF Cooler Hoses To The ATF Cooler Lines
    G01464581Courtesy of AMERICAN HONDA MOTOR CO., INC.
  51. Clamp the ATF cooler hose with the clamps (D) on the starter by aligning the white dot (E) on the hose with the clamp.
  52. Install the transmission breather tube clamp (A) into its clamp (B) on the lower radiator hose with the white stripe (C) on the tube just above the clamp.
    Fig 31: Installing The Transmission Breather Tube Clamp Into Its Clamp On The Lower Radiator Hose
    G01464582Courtesy of AMERICAN HONDA MOTOR CO., INC.
  53. Install the transmission breather tube clamp (D) to its bracket (E) on the coolant pipe (F).
  54. Install the battery base.
  55. Install the harness clamps, connectors, and fuse box to the brackets on the battery base.
  56. Install the battery tray and battery, then secure the battery with its battery hold-down bracket.
  57. Install the power steering pump outlet hose (A) with a new O-ring (B) to the pump (C), and secure the hose clamp with the bolt.
    Fig 32: Installing The Power Steering Pump Outlet Hose To The Pump
    G01464583Courtesy of AMERICAN HONDA MOTOR CO., INC.
  58. Install the engine covers and the intake air duct.
    Fig 33: Installing The Engine Covers And The Intake Air Duct
    G01464584Courtesy of AMERICAN HONDA MOTOR CO., INC.
  59. Connect the steering joint (A) to the steering gearbox pinion shaft (B) by aligning the reference mark (C), and secure them with the steering joint bolt.
    Fig 34: Connecting The Steering Joint To The Steering Gearbox Pinion Shaft
    G01464585Courtesy of AMERICAN HONDA MOTOR CO., INC.
  60. Install the steering joint cover (D), and put the carpet back.
  61. Refill the power steering system with fluid (see FLUID REPLACEMENT ).
  62. Refill the transmission with ATF (see step 5 on ATF REPLACEMENT ).
  63. Install the splash shield.
  64. Connect the battery positive terminal, then connect negative terminal.
  65. Set the parking brake. Start the engine, and shift the transmission through all gears three times.
  66. Check the shift lever operation, A/T gear position indicator operation, and shift cable adjustment.
  67. Check and adjust the front wheel alignment (see WHEEL ALIGNMENT PROCEDURES ).
  68. Start the engine, and let it reach normal operating temperature (the radiator fan comes on) with the transmission in the P or N position, then turn it off and check the ATF level (see ATF LEVEL CHECK ).
  69. Do the PCM idle learn procedure (see PCM IDLE LEARN PROCEDURE ).
  70. Do the power window control unit reset procedure (see RESETTING THE POWER WINDOW CONTROL UNIT ).
  71. Confirm that all systems work properly.
  72. Perform a road test (see ROAD TEST ).
  73. Enter the anti-theft code for the radio and the navigation system), then enter the radio station presets, and set the clock.
  74. Loosen the front mount nut after the road test, then retighten the nut to the specified torque.
    Fig 35: Tightening The Front Mount Nut
    G01464586Courtesy of AMERICAN HONDA MOTOR CO., INC.
scientia non olet · About LEMON Manuals