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Automatic Transmission Assembly: Removal

WARNING: This page is about a different car, the 2020 Subaru Impreza. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the ground terminal from 12V engine restart battery sensor. Refer to REPAIR CONTENTS>REPAIR CONTENTS>NOTE>BATTERY .
  2. Remove the clip from the air intake boot, and loosen the clamp.
    G11252776Courtesy of SUBARU OF AMERICA, INC.
  3. Remove the air intake boot, and place it aside so that it does not interfere with the work.
    CAUTION: Be careful not to pull out the PCV hose.
    G11252777Courtesy of SUBARU OF AMERICA, INC.
  4. Remove the transmission radio ground terminal.
    G11255509Courtesy of SUBARU OF AMERICA, INC.
  5. Disconnect the transmission harness connector.
    G11255510Courtesy of SUBARU OF AMERICA, INC.
  6. Remove the air breather hose together with the bracket.
    G11255511Courtesy of SUBARU OF AMERICA, INC.
  7. Remove the starter. Refer to STARTING/CHARGING SYSTEMS (H4DO (EXCEPT FOR HEV))>STARTER>REMOVAL .
  8. Remove the pitching stopper.
    G11255512Courtesy of SUBARU OF AMERICA, INC.
  9. Remove the throttle position sensor harness connector (1), purge control solenoid valve harness connector (2), harness clip (3), vacuum hose (4) and PCV hose (5).
    G11255513Courtesy of SUBARU OF AMERICA, INC.
  10. Remove the engine rear hanger.
    G11255514Courtesy of SUBARU OF AMERICA, INC.
  11. Remove the pitching stopper bracket.
    G11255515Courtesy of SUBARU OF AMERICA, INC.
  12. Remove the service hole plug.
    G11255516Courtesy of SUBARU OF AMERICA, INC.
  13. Remove the six bolts combining the torque converter and drive plate while rotating the crank pulley a little at a time in the same direction as engine revolution.
    CAUTION:
    • Be careful not to drop bolts into the converter housing.
    • Be careful not to damage the mounting bolts.
    G11255517Courtesy of SUBARU OF AMERICA, INC.
  14. Make sure the torque converter moves freely by rotating with finger through the starter installation hole.
  15. Attach the ST to the converter case.

    Preparation tool: 

    ST: STOPPER SET (498277200)

    G08317729Courtesy of SUBARU OF AMERICA, INC.
  16. Remove the engine harness connector bracket.
    G11255519Courtesy of SUBARU OF AMERICA, INC.
  17. Remove the engine ground.
    G11255520Courtesy of SUBARU OF AMERICA, INC.
  18. Remove the CVTF cooler (with warmer feature) from the transmission, and using a piece of wire, affix to a location of the body where it will not interfere with the removal/installation of the transmission.
    G11255521Courtesy of SUBARU OF AMERICA, INC.
  19. Disconnect the CVTF cooler inlet hose and CVTF cooler outlet hose from the pipe.
    G11255522Courtesy of SUBARU OF AMERICA, INC.
  20. Remove the transmission case cover (small).
    G11255523Courtesy of SUBARU OF AMERICA, INC.
  21. Remove the TCM. Refer to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 IMPREZA)>TRANSMISSION CONTROL MODULE (TCM)>REMOVAL .
  22. Set the ST1 and ST2.

    Preparation tool: 

    ST1: ENGINE SUPPORT BRACKET (41099AA012)

    ST2: ENGINE SUPPORT (41099AA020)

    G11255524Courtesy of SUBARU OF AMERICA, INC.
  23. Remove the three transmission connecting bolts.
    G08317735Courtesy of SUBARU OF AMERICA, INC.
  24. Loosen the self-locking nut of the strut mount - front by 2 turns.
    G11255081Courtesy of SUBARU OF AMERICA, INC.
  25. Lift up the vehicle.
  26. Remove the front tires. Refer to WHEEL AND TIRE SYSTEM>TIRE AND WHEEL>REMOVAL .
  27. Remove the under cover. Refer to EXTERIOR/INTERIOR TRIM>FRONT UNDER COVER>REMOVAL .
  28. Remove the crossmember support - rear.
    G11255083Courtesy of SUBARU OF AMERICA, INC.
  29. Remove the front exhaust pipe. Refer to EXHAUST (H4DO (EXCEPT FOR HEV))>FRONT EXHAUST PIPE>REMOVAL .
  30. Remove the center exhaust cover.
    G12392795Courtesy of SUBARU OF AMERICA, INC.
  31. Remove the exhaust hanger bracket.
    G11255529Courtesy of SUBARU OF AMERICA, INC.
  32. Remove the CVTF drain plug to drain CVTF. Refer to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 IMPREZA)>CVTF>REPLACEMENT .
  33. Drain differential gear oil. Refer to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 IMPREZA)>DIFFERENTIAL GEAR OIL>REPLACEMENT .
  34. Remove the snap pin and washer from shifter arm and remove the select cable from shifter arm.
    CAUTION: Do not apply excessive load while holding the part (a).
    G13591814Courtesy of SUBARU OF AMERICA, INC.
    G13603418Courtesy of SUBARU OF AMERICA, INC.
  35. Remove the cable plate from the transmission case.
    G11255304Courtesy of SUBARU OF AMERICA, INC.
  36. Remove the propeller shaft. Refer to DRIVE SHAFT SYSTEM>PROPELLER SHAFT>REMOVAL .
  37. Remove the brake hose bracket.
    G11255533Courtesy of SUBARU OF AMERICA, INC.
  38. Remove the front ABS wheel speed sensor. Refer to VEHICLE DYNAMICS CONTROL (VDC)>FRONT ABS WHEEL SPEED SENSOR>REMOVAL .
  39. Remove the stabilizer link.
    G11255534Courtesy of SUBARU OF AMERICA, INC.
  40. Separate the front arm assembly from the ball joint.
    NOTE:
    • Mark the engaging position of the ball joint and front arm assembly before loosening the flange nuts. Doing so will facilitate aligning the position when assembling and lessen adjusting allowance for wheel alignment.
    • To prevent damage of the front arm assembly ball joint boot, place a wooden block, etc. between front arm assembly and ball joint.
    G11255031Courtesy of SUBARU OF AMERICA, INC.
  41. Using a tire lever or a crow bar, etc., pull out until the front drive shaft transmission side joint slides move smoothly.
    NOTE: Place cloth between the tire lever or bar and the transmission in order to avoid damaging the transmission side retainer.
  42. Hold the transmission side joint of the front drive shaft by hand and extract the housing from the transmission while pressing the housing outward, so as not to stretch the boot.
    NOTE:
    • Before pulling the RH front drive shaft from transmission, turn the steering wheel to the right hand at full lock.
    • Before pulling the LH front drive shaft from transmission, turn the steering wheel to the left hand at full lock.
  43. Remove the two transmission connecting bolts and two nuts (lower side).
    G08317742Courtesy of SUBARU OF AMERICA, INC.
  44. Set the transmission jack under the transmission.
    NOTE: Make sure that the support plates of transmission jack do not touch the oil pan.
  45. Remove the hanger bracket.
  46. Remove the transmission rear crossmember from the vehicle.
    G11255537Courtesy of SUBARU OF AMERICA, INC.
  47. While lowering the transmission jack gradually, fully retract the engine support, and then tilt the engine rearward.
  48. Remove the transmission assembly.
    NOTE: Remove it while moving the transmission jack up and down so that the engine and transmission remain directly aligned.
  49. Remove the rear cushion rubber.
    G11255538Courtesy of SUBARU OF AMERICA, INC.
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