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Home >> Honda >> 2012 >> Ridgeline RT >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission >> Transmission Removal

Transmission Removal

Special Tools Required 

*Available through the Honda Tool and Equipment Program 888-424-6857.

NOTE:
  • Use fender covers to avoid damaging painted surfaces.
  • Special tool Reds engine support hanger AAR-T1256 must be used with the side engine mount installed.
  1. Raise the vehicle on a lift, and make sure it is supported securely.
  2. Center the steering wheel spokes, and install a commercially available steering wheel holder tool (A).
    Fig 1: Center The Steering Wheel And Securing
    G00510149Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Remove the steering joint cover (A).
    Fig 2: Identifying Steering Joint Cover
    G00510174Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Make a reference mark (B) across the steering joint (C) and steering gearbox pinion shaft (D). Remove the steering joint bolt (E), and loosen the steering joint bolt (F), then disconnect the steering joint from the steering gearbox pinion shaft.
  5. Open the hood, and secure it with the hood support rod (A) in the wide-open position (B).
    Fig 3: Hood Support Rod
    G00510178Courtesy of AMERICAN HONDA MOTOR CO., INC.
  6. Drain the power steering system fluid from the reservoir (see FLUID REPLACEMENT ).
  7. Make sure the ignition switch is LOCK (0). Do the battery removal procedure (see BATTERY TERMINAL DISCONNECTION AND RECONNECTION ), then remove the battery tray.
  8. Remove the engine cover, the air intake duct, the resonator, and the air cleaner housing.
  9. Remove the battery base and the battery base bracket.
  10. Remove the front bulkhead cover (see FRONT BULKHEAD COVER REPLACEMENT ).
  11. Raise the vehicle on a lift, and make sure it is supported securely (see LIFT AND SUPPORT POINTS ).
  12. Remove the front wheels.
  13. Remove the splash shield.
  14. Remove the drain plug (A), and drain the automatic transmission fluid (ATF).
    Fig 4: Drain Plug And Sealing Washer With Torque Specifications
    G06628784Courtesy of AMERICAN HONDA MOTOR CO., INC.
  15. Reinstall the drain plug with a new sealing washer (B).
  16. Disconnect the steering joint (see STEERING COLUMN REMOVAL AND INSTALLATION ).
  17. Fig 5: Identifying Power Steering Pump Outlet Line With Hose Clamp Bolt
    G06628785Courtesy of AMERICAN HONDA MOTOR CO., INC.
  18. Remove the power steering pump outlet line (A) from the power steering pump, and remove the hose clamp bolt (B).
  19. Disconnect the transmission breather hose (A) from the breather pipe (B) at the transmission housing.
    Fig 6: Identifying Transmission Breather Hose And Breather Pipe
    G06628786Courtesy of AMERICAN HONDA MOTOR CO., INC.
  20. Remove the dipstick (A) and radiator hose bracket (C). Then remove the harness clamp (D).
    Fig 7: Removing Dipstick And Radiator Hose Bracket
    G06628787Courtesy of AMERICAN HONDA MOTOR CO., INC.
  21. Disconnect the starter cable (E) from the B terminal, then disconnect the BLK/WHT wire connecter (F) from the S terminal.
  22. Remove the two bolts holding the starter and the gasket.
  23. Remove the nuts securing the shift cable bracket (A).
    Fig 8: Identifying Shift Cable Bracket, Spring Clip, Control Pin And Control Lever
    G06628788Courtesy of AMERICAN HONDA MOTOR CO., INC.
  24. Remove the spring clip (B) and the control pin (C), then separate the shift cable end (D) from the control lever (E).
  25. Check the bushing (F) in the shift cable end for proper fit and wear. If the bushing is loose or worn replace the shift cable (see SHIFT CABLE REPLACEMENT ).
  26. Remove the bolt securing the harness cover (A).
    Fig 9: Identifying 4th Clutch Transmission Fluid Pressure Switch Connector, Harness Bracket And A/T Clutch Pressure Control Solenoid Valve Connectors
    G06628789Courtesy of AMERICAN HONDA MOTOR CO., INC.
  27. Disconnect the 4th clutch transmission fluid pressure switch connector (B), then remove the harness cover from the harness bracket (C).
  28. Disconnect A/T clutch pressure control solenoid valve A connector (D) and A/T clutch pressure control solenoid valve B connector (E).
  29. Disconnect A/T clutch pressure control solenoid valve C connector (A).
    Fig 10: Identifying A/T Clutch Pressure Control Solenoid Valve C Connector, Harness Cover With Harness Cover Bracket
    G06628790Courtesy of AMERICAN HONDA MOTOR CO., INC.
  30. Remove the bolts securing the harness cover (B) and harness cover bracket (C), then remove the harness cover bracket from the harness cover.
  31. Disconnect the transmission range switch connector (A), and remove the harness clamp (B) from the clamp bracket (C).
    Fig 11: Identifying Transmission Range Switch Connector, Harness Clamp And Clamp Bracket
    G06628791Courtesy of AMERICAN HONDA MOTOR CO., INC.
  32. Remove the transmission ground cable (D).
  33. Disconnect the transmission fluid pressure switch A (2nd clutch) connector.
    Fig 12: Disconnecting Transmission Fluid Pressure Switch A (2nd Clutch) Connector
    G06628792Courtesy of AMERICAN HONDA MOTOR CO., INC.
  34. Disconnect the ATF cooler hoses (A) from the ATF cooler lines (B). Turn the ends of the cooler hoses up to prevent ATF from flowing out, then plug the cooler hoses and lines.
    Fig 13: Identifying ATF Cooler Hoses And ATF Cooler Lines
    G06628793Courtesy of AMERICAN HONDA MOTOR CO., INC.
  35. Check for any signs of leakage at the hose joints.
  36. Disconnect the input shaft (mainshaft) speed sensor connector (A), the output shaft (countershaft) speed sensor connector (B), the ATF temperature sensor connector (C), and the transmission fluid pressure switch B (3rd clutch) connector (D).
    Fig 14: Identifying Input Shaft (Mainshaft) Speed Sensor Connector And Output Shaft (Countershaft) Speed Sensor Connector
    G06628794Courtesy of AMERICAN HONDA MOTOR CO., INC.
  37. Remove the transfer breather (A) from the throttle cable bracket (B), and remove the transfer breather hose clamp (C) from the heater hose (D).
    Fig 15: Identifying Transfer Breather, Throttle Cable Bracket And Breather Hose Clamp
    G06628795Courtesy of AMERICAN HONDA MOTOR CO., INC.
  38. Remove the connector bracket from the engine front cylinder head; use the bracket bolt hole to attach the engine hanger balancer bar front arm.
    Fig 16: Identifying Connector Bracket Bolt
    G06628796Courtesy of AMERICAN HONDA MOTOR CO., INC.
  39. Remove the harness clamp bracket (A) from the rear cylinder head; use the bracket bolt hole to attach the 2008 V6 attachment arm (SIL02C000033).
    Fig 17: Engine Rear Cylinder Head Harness Clamp Bracket Bolt With Torque Specification
    G00510082Courtesy of AMERICAN HONDA MOTOR CO., INC.
  40. Remove the service caps (A) for the front damper flange nuts from the cowl cover (B). Position the engine hanger adapters (VSB02C000024) with the "FRONT" mark facing forward over the damper flange nuts.
    Fig 18: Positioning Engine Hanger Adapters Over Damper Flange Nuts
    G06628798Courtesy of AMERICAN HONDA MOTOR CO., INC.
  41. Install the engine hanger balance bar (VSB02C000019); attach the front arm (A) to the front cylinder head with a spacer and the 10 mm bolt, and attach the rear arm (B) to the rear cylinder head with the 8 mm bolt.
    Fig 19: Identifying Engine Hanger Balance Bar With Front And Rear Arm
    G06628799Courtesy of AMERICAN HONDA MOTOR CO., INC.
  42. Install the engine support hanger (AAR-T1256) to the vehicle, and attach the hook to slotted hole in the engine balance bar. Tighten the wing nut (C) by hand, and to lift and support the engine.
  43. Remove the front mount stop (A) and front mount bolt (B).
    Fig 20: Identifying Front Mount Stop And Front Mount Bolt
    G06628800Courtesy of AMERICAN HONDA MOTOR CO., INC.
  44. Remove the front subframe stiffener.
    Fig 21: Identifying Front Subframe Stiffener With Mounting Bolts
    G06628801Courtesy of AMERICAN HONDA MOTOR CO., INC.
  45. Remove exhaust pipe A and its mount (B).
    Fig 22: Identifying Exhaust Pipe And Mount
    G06628802Courtesy of AMERICAN HONDA MOTOR CO., INC.
  46. Remove the cotter pins (A) and nuts (B) (B'), and separate the tie-rod end ball joints (C) from the knuckles (D) (see KNUCKLE/HUB/WHEEL BEARING REPLACEMENT ).
    NOTE: The nuts (B') securing the tie-rod end on the '12 model should be replaced when installing the transmission; it is no need to replace the nuts on the '09-11 models.
    Fig 23: Inserting Allen Wrench In Top Of Ball Joint Pins
    G06628803Courtesy of AMERICAN HONDA MOTOR CO., INC.
  47. Insert a 6 mm Allen wrench (E) in the top of the ball joint pins (F), and remove the nuts (G), then separate the stabilizer links (H).
  48. Remove the cotter pins (I) and nuts (J), and separate the tie-rod end ball joints (K) from the knuckles (see step 9 on page 18-14).
  49. Remove the bolt securing the transfer breather hose bracket (A), and disconnect the breather hose (B) from the breather pipe (C) on the transfer assembly. Cap the breather pipe to prevent fluid from leaking out.
    Fig 24: Identifying Transfer Breather Hose Bracket, Breather Hose And Breather Pipe
    G06628804Courtesy of AMERICAN HONDA MOTOR CO., INC.
  50. Make a reference mark (A) across the propeller shaft (B) and the transfer companion flange (C).
    Fig 25: Identifying Reference Mark Across Propeller Shaft And Transfer Companion Flange
    G06628805Courtesy of AMERICAN HONDA MOTOR CO., INC.
  51. Separate the propeller shaft from the transfer companion flange.
  52. Remove the transfer assembly (A) from the transmission.
    Fig 26: Identifying Transfer Assembly
    G06628806Courtesy of AMERICAN HONDA MOTOR CO., INC.
  53. Remove the torque converter cover (A), and remove the drive plate bolts (B) (8) while rotating the crankshaft pulley.
    Fig 27: Identifying Torque Converter Cover With Drive Plate Bolts
    G06628807Courtesy of AMERICAN HONDA MOTOR CO., INC.
  54. Disconnect the power steering pressure switch connector.
    Fig 28: Disconnecting Power Steering Pressure Switch Connector
    G06628808Courtesy of AMERICAN HONDA MOTOR CO., INC.
  55. Remove the power steering fluid hose (A) from the hose clamp (B) at the right front of the subframe.
    Fig 29: Identifying Power Steering Fluid Hose And Hose Clamp
    G06628809Courtesy of AMERICAN HONDA MOTOR CO., INC.
  56. Loosen the hose clamp bolt, then disconnect the power steering fluid hose from the fluid line (C).
  57. Remove the four transmission lower mount nuts (A).
    Fig 30: Identifying Transmission Lower Mount Nuts
    G06628810Courtesy of AMERICAN HONDA MOTOR CO., INC.
  58. Remove the three rear mount bracket bolts (A).
    Fig 31: Identifying Rear Mount Bracket Bolts
    G06628811Courtesy of AMERICAN HONDA MOTOR CO., INC.
  59. Loosen the four bolts (A) holding the adjustable arms (B) of the front subframe adapter (EQS02BMDXSB0) to its center plate.
    NOTE: The adapter is designed to be used 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 jacks.
    Fig 32: Identifying Bolts Holding Adjustable Arms Of Front Subframe Adapter
    G06628812Courtesy of AMERICAN HONDA MOTOR CO., INC.
  60. Line up the slots in the arms with the bolt holes on the corner of the jack base, then attach the adapter (EQS02BMDXB0) to the jack base with the bolts (A) that came with the jack. Tighten the bolts securely.
    Fig 33: Subframe Stiffener Mounting Bolts With Torque Specifications
    G06628813Courtesy of AMERICAN HONDA MOTOR CO., INC.
  61. Raise the jack to the vehicle height, then attach the adapter to the front subframe using the subframe stiffener mounting bolts (B) and bolt holes.
  62. Remove both retainers securing the rear mounting bolts of the front subframe.
    Fig 34: Identifying Retainers Securing Rear Mounting Bolts Of Front Subframe
    G06628814Courtesy of AMERICAN HONDA MOTOR CO., INC.
  63. Remove the six bolts securing the stiffeners (A) and the four bolts securing the front subframe (B), and lower the front subframe.
    NOTE: Check that the front subframe is free of the vacuum hose, the ATF cooler hoses, and electrical wiring.
    Fig 35: Identifying Bolts Securing Stiffeners And Front Subframe
    G06628815Courtesy of AMERICAN HONDA MOTOR CO., INC.
  64. Remove the transmission lower mounts.
    Fig 36: Identifying Transmission Lower Mounts
    G06628816Courtesy of AMERICAN HONDA MOTOR CO., INC.
  65. Remove the left side driveshaft from the differential and the right side driveshaft from the intermediate shaft. Coat all precision machined surfaces with clean engine oil, then put plastic bags over the driveshaft ends. Secure the driveshafts to the body with a strap.
    Fig 37: Identifying Driveshaft
    G06628817Courtesy of AMERICAN HONDA MOTOR CO., INC.
  66. Remove the rear warm up three way catalytic converter (WU-TWC) bracket (A) and the heat shield (B).
    Fig 38: Identifying Three Way Catalytic Converter (WU-TWC) Bracket And Heat Shield
    G06628818Courtesy of AMERICAN HONDA MOTOR CO., INC.
  67. Remove the intermediate shaft (C). Coat all precision machined surfaces with clean engine oil, then put plastic bags over the intermediate shaft ends.
    NOTE: Plug the intermediate shaft hole (D) to prevent dirt and solvent from entering the transmission.
  68. Remove the transmission housing mounting bolts.
    Fig 39: Identifying Transmission Housing Mounting Bolts
    G06628819Courtesy of AMERICAN HONDA MOTOR CO., INC.
  69. Remove the sensor harness clamp bracket (A) from the front engine mount bracket (B), and remove the mount bracket.
    Fig 40: Identifying Sensor Harness Clamp Bracket And Front Engine Mount Bracket
    G06628820Courtesy of AMERICAN HONDA MOTOR CO., INC.
  70. Place a jack under the transmission.
  71. Remove the transmission housing mounting bolts.
    Fig 41: Identifying Transmission Housing Mounting Bolts
    G06628821Courtesy of AMERICAN HONDA MOTOR CO., INC.
  72. Remove the front transmission housing mounting bolt (A) using a socket 22 mm long.
    Fig 42: Identifying Front Transmission Housing Mounting Bolts
    G06628822Courtesy of AMERICAN HONDA MOTOR CO., INC.
  73. Remove the front transmission housing mounting bolt (B).
  74. Remove the transmission housing mounting bolts.
    Fig 43: Identifying Transmission Housing Mounting Bolts
    G06628823Courtesy of AMERICAN HONDA MOTOR CO., INC.
  75. Lower the transmission by loosening the wing nut of the engine support hanger, and tilt the engine just enough for the transmission end to clear the side frame.
  76. Slide the transmission away from the engine to remove it from the vehicle.
  77. Remove the torque converter, the O-ring, and the dowel pins.
    Fig 44: Identifying Torque Converter, O-Ring, And Dowel Pins
    G06628824Courtesy of AMERICAN HONDA MOTOR CO., INC.
  78. Inspect the drive plate, and replace if it's damaged (see DRIVE PLATE REMOVAL AND INSTALLATION ).