LEMON Manuals: Even more car manuals for everyone
Home >> Subaru >> 2018 >> Impreza Base, 4D Wagon, Automatic CVT Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> CVT Transaxle >> Automatic Transmission Assembly >> Removal

Automatic Transmission Assembly: Removal

  1. Disconnect the ground cable from battery. Ref. to REPAIR CONTENTS>NOTE>SAFETY .
  2. Remove the clip from the air intake boot, and loosen the clamp.
    Fig 1: Locating Clip From Air Intake Boot
    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.
    Fig 2: Removing Air Intake Boot
    G11252777Courtesy of SUBARU OF AMERICA, INC.
  4. Remove the transmission radio ground terminal.
    Fig 3: Locating Transmission Radio Ground Terminal Bolt
    G11255509Courtesy of SUBARU OF AMERICA, INC.
  5. Disconnect the transmission harness connector.
    Fig 4: Disconnecting Transmission Harness Connector
    G11255510Courtesy of SUBARU OF AMERICA, INC.
  6. Remove the air breather hose together with the bracket.
    Fig 5: Locating Air Breather Hose With Bracket
    G11255511Courtesy of SUBARU OF AMERICA, INC.
  7. Remove the starter. Ref. to STARTING/CHARGING SYSTEMS (H4DO)>Starter>REMOVAL .
  8. Remove the pitching stopper.
    Fig 6: Locating Pitching Stopper Bolt And Nut
    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).
    Fig 7: Identifying Throttle Position Sensor Harness Connector, Vacuum Hose, Harness Clip And PCV Hose
    G11255513Courtesy of SUBARU OF AMERICA, INC.
  10. Remove the engine hanger rear.
    Fig 8: Locating Engine Hanger Rear Bolts
    G11255514Courtesy of SUBARU OF AMERICA, INC.
  11. Remove the pitching stopper bracket.
    Fig 9: Locating Pitching Stopper Bracket Bolts
    G11255515Courtesy of SUBARU OF AMERICA, INC.
  12. Remove the service hole plug.
    Fig 10: Identifying 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.
    Fig 11: Locating Torque Converter And Drive Plate Bolt
    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)

    Fig 12: Attaching ST To Converter Case
    G08317729Courtesy of SUBARU OF AMERICA, INC.
  16. Remove the engine harness connector bracket.
    Fig 13: Locating Engine Harness Connector Bracket Bolts
    G11255519Courtesy of SUBARU OF AMERICA, INC.
  17. Remove the engine ground terminal.
    Fig 14: Locating Engine Ground Terminal Bolt
    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.
    Fig 15: Locating CVTF Cooler Bolts
    G11255521Courtesy of SUBARU OF AMERICA, INC.
  19. Remove the CVTF inlet hose and outlet hose from the pipe.
    Fig 16: Locating CVTF Inlet Hose And CVTF Outlet Hose Clamps
    G11255522Courtesy of SUBARU OF AMERICA, INC.
  20. Remove the transmission case cover (small).
    Fig 17: Locating Transmission Case Cover Bolts
    G11255523Courtesy of SUBARU OF AMERICA, INC.
  21. Remove the TCM. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>Transmission Control Module (TCM)>REMOVAL .
  22. Set the ST1 and ST2.

    Preparation tool: 

    ST1: ENGINE SUPPORT BRACKET (41099AA012)

    ST2: ENGINE SUPPORT (41099AA020)

    Fig 18: Setting Engine Support Bracket And Engine Support
    G11255524Courtesy of SUBARU OF AMERICA, INC.
  23. Remove the three transmission connecting bolts.
    Fig 19: Locating Transmission Connecting Bolts
    G08317735Courtesy of SUBARU OF AMERICA, INC.
  24. Loosen the nut of the front suspension strut mount by two turns.
    Fig 20: Locating Front Suspension Strut Mount Nuts
    G11255081Courtesy of SUBARU OF AMERICA, INC.
  25. Lift up the vehicle.
  26. Remove the front tires. Ref. to WHEEL AND TIRE SYSTEM>Tire and Wheel>REMOVAL .
  27. Remove the under cover.
  28. Remove the crossmember support rear.
    Fig 21: Locating Rear Crossmember Support Nuts
    G11255083Courtesy of SUBARU OF AMERICA, INC.
  29. Remove the front exhaust pipe. Ref. to EXHAUST (H4DO)>Front Exhaust Pipe>REMOVAL .
  30. Remove the center exhaust cover.
    Fig 22: Locating Center Exhaust Cover Nuts
    G11255301Courtesy of SUBARU OF AMERICA, INC.
  31. Remove the exhaust hanger bracket.
    Fig 23: Locating Exhaust Hanger Bracket Bolts
    G11255529Courtesy of SUBARU OF AMERICA, INC.
  32. Remove the CVTF drain plug to drain CVTF. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>CVTF>REPLACEMENT .
  33. Drain differential gear oil. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>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).
    Fig 24: Measuring Shifter Arm Length
    G11255302Courtesy of SUBARU OF AMERICA, INC.
    Fig 25: Identifying Shifter Arm, Snap Pin, Washer And Select Cable
    G11255531Courtesy of SUBARU OF AMERICA, INC.
  35. Remove the plate assembly from the transmission case.
    Fig 26: Locating Plate Assembly From Transmission Case Bolts
    G11255304Courtesy of SUBARU OF AMERICA, INC.
  36. Remove the propeller shaft. Ref. to DRIVE SHAFT SYSTEM>Propeller Shaft>REMOVAL .
  37. Remove the brake hose bracket.
    Fig 27: Locating Brake Hose Bracket Bolt
    G11255533Courtesy of SUBARU OF AMERICA, INC.
  38. Remove the front ABS wheel speed sensor. Ref. to VEHICLE DYNAMICS CONTROL (VDC)>Front ABS Wheel Speed Sensor>REMOVAL .
  39. Remove the stabilizer link.
    Fig 28: Locating Stabilizer Link Nut
    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.
    Fig 29: Identifying Flange Nuts
    G11255031Courtesy of SUBARU OF AMERICA, INC.
  41. Remove the bolts which secure to the front housing, and separate the front arm and housing. (Crosstrek model)
    G12392497Courtesy of SUBARU OF AMERICA, INC.
  42. 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.
  43. 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.
  44. Remove the two transmission connecting bolts and two nuts (lower side).
    Fig 30: Locating Transmission Connecting Bolts And Nuts
    G08317742Courtesy of SUBARU OF AMERICA, INC.
  45. Set the transmission jack under the transmission.
    NOTE: Make sure that the support plates of transmission jack do not touch the oil pan.
  46. Remove the hanger bracket.
  47. Remove the transmission rear crossmember from the vehicle.
    Fig 31: Locating Transmission Rear Crossmember Bolts
    G11255537Courtesy of SUBARU OF AMERICA, INC.
  48. While lowering the transmission jack gradually, fully retract the engine support, and then tilt the engine rearward.
  49. Remove the transmission assembly.
    NOTE: Remove it while moving the transmission jack up and down so that the engine and transmission remain directly aligned.
  50. Remove the rear cushion rubber.
Fig 32: Locating Rear Cushion Rubber Bolts
G11255538Courtesy of SUBARU OF AMERICA, INC.