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Home › Subaru › 2018 › Forester 2.5i, Automatic CVT Trans › Repair and Diagnosis › Transmission › Automatic Trans › CVT Transaxle (Tr580) › Automatic Transmission Assembly › Installation

Automatic Transmission Assembly: Installation

  1. Attach the ST to converter case.

    ST 498277200 STOPPER SET

    G12476088Courtesy of SUBARU OF AMERICA, INC.
  2. When completely overhauling the transmission, refill CVTF through the transmission right side plug. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580)>PREPARATION FOR OVERHAUL .
  3. Replace the front differential side retainer oil seal. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580)>Differential Side Retainer Oil Seal>REPLACEMENT .
    NOTE:
    • Be sure to replace the differential side retainer oil seal with a new part whenever the front drive shaft is removed from the transmission.
    • When a new differential side retainer oil seal has been installed, replacement is not required.
  4. Install the rear cushion rubber on the transmission.

    Tightening torque: 

    40 N.m (4.1 kgf-m, 29.5 ft-lb)

    G12476089Courtesy of SUBARU OF AMERICA, INC.
  5. Mount the transmission onto the transmission jack.
  6. Strike and bend the transmission hanger of transmission rear with a rubber hammer etc. so that it gets in contact with the transmission case.
    CAUTION: Do not apply excessive load or impact to the transmission case.
    G12476090Courtesy of SUBARU OF AMERICA, INC.
  7. Remove the pitching stopper bracket, if mounted.
  8. Install the transmission onto the engine.
    NOTE:
    • While raising the transmission jack gradually, turn the screw of engine support, then tilt the engine forward.
    • Temporarily attach the two engine connecting bolts and two nuts (lower side).
  9. Install the transmission rear crossmember.

    Tightening torque: 

    T1: 35 N.m (3.6 kgf-m, 25.8 ft-lb)

    T2: 70 N.m (7.1 kgf-m, 51.6 ft-lb)

    Fig 1: Transmission Rear Crossmember Components (With Torque Specification)
    G12476091Courtesy of SUBARU OF AMERICA, INC.
  10. Tighten the two engine connecting bolts and two nuts (lower side).

    Tightening torque: 

    50 N.m (5.1 kgf-m, 36.9 ft-lb)

    G12476092Courtesy of SUBARU OF AMERICA, INC.
  11. Remove the transmission jack.
  12. Tighten the hanger bracket.

    Tightening torque: 

    23 N.m (2.3 kgf-m, 17.0 ft-lb)

  13. Lower the vehicle.
  14. Install the three engine mounting bolts (upper side).

    Tightening torque: 

    50 N.m (5.1 kgf-m, 36.9 ft-lb)

    G12476093Courtesy of SUBARU OF AMERICA, INC.
  15. Remove the ST (STOPPER SET) from converter case.
  16. Remove the ST (ENGINE SUPPORT BRACKET and ENGINE SUPPORT).

    ST1 41099AA012 ENGINE SUPPORT BRACKET

    ST2 41099AA020 ENGINE SUPPORT

    G12476094Courtesy of SUBARU OF AMERICA, INC.
  17. Match the torque converter screw hole with drive plate hole to install the bolt.
    CAUTION:
    • Do not drop the mounting bolt in the converter housing.
    • Do not damage the mounting bolt.

    Tightening torque: 

    25 N.m (2.5 kgf-m, 18.4 ft-lb)

  18. Install the remaining three bolts by rotating the crank pulley a little at a time in the same direction as engine revolution.

    Tightening torque: 

    25 N.m (2.5 kgf-m, 18.4 ft-lb)

  19. Install the service hole plug.
    G12476095Courtesy of SUBARU OF AMERICA, INC.
  20. Install the engine ground terminals.

    Tightening torque: 

    19 N.m (1.9 kgf-m, 14.0 ft-lb)

    G12476096Courtesy of SUBARU OF AMERICA, INC.
  21. Replace the CVTF inlet hose and CVTF outlet hose. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580)>CVTF Cooler (With Warmer Function) .
  22. Install the CVTF inlet hose and CVTF outlet hose to transmission.
    G12476097Courtesy of SUBARU OF AMERICA, INC.
  23. Install the CVTF cooler (with warmer feature) to the transmission.

    Tightening torque: 

    23 N.m (2.3 kgf-m, 17.0 ft-lb)

    G12476098Courtesy of SUBARU OF AMERICA, INC.
  24. Install the starter. Ref. to STARTING/CHARGING SYSTEMS (H4DO)>Starter>INSTALLATION .
  25. Install the engine rear hanger.

    Tightening torque: 

    21 N.m (2.1 kgf-m, 15.5 ft-lb)

    G12476099Courtesy of SUBARU OF AMERICA, INC.
  26. Install the pitching stopper bracket and transmission radio ground cord.
    CAUTION: Be careful not to deform or damage the terminal of transmission radio ground cord.

    Tightening torque: 

    41 N.m (4.2 kgf-m, 30.2 ft-lb)

    G12476100Courtesy of SUBARU OF AMERICA, INC.
  27. Install the air breather hose to the pitching stopper bracket.
  28. Install the pitching stopper.

    Tightening torque: 

    T1: 50 N.m (5.1 kgf-m, 36.9 ft-lb)

    T2: 58 N.m (5.9 kgf-m, 42.8 ft-lb)

    G12476101Courtesy of SUBARU OF AMERICA, INC.
  29. Connect the EGR control valve harness connector, throttle position sensor harness connector and manifold absolute pressure sensor harness connector.
  30. Connect the engine harness connectors, then install the harness connector bracket.

    Tightening torque: 

    7.5 N.m (0.8 kgf-m, 5.5 ft-lb)

  31. Lift up the vehicle.
  32. Set the ST to side retainer.

    ST 28399SA010 OIL SEAL PROTECTOR

    G12476102Courtesy of SUBARU OF AMERICA, INC.
  33. Replace the circlip of the drive shaft with a new part.
  34. Insert the front drive shaft spline section into transmission and remove the ST (OIL SEAL PROTECTOR).
    NOTE:
    • Before inserting the RH front drive shaft into transmission, turn the steering wheel to the right hand at full lock.
    • Before inserting the LH front drive shaft into transmission, turn the steering wheel to the left hand at full lock.
  35. Insert the drive shaft into the transmission securely by pressing the housing from outside of the vehicle.
  36. Insert the ball joint into housing and secure with bolt.

    Tightening torque: 

    50 N.m (5.1 kgf-m, 36.9 ft-lb)

    CAUTION:
    • Do not apply grease to the tapered portion of ball stud.
    • Before tightening, make sure the lower side of housing and stepped section of ball joint are in contact.
    G12476103Courtesy of SUBARU OF AMERICA, INC.
  37. Attach the stabilizer link to the front arm.
    NOTE: Use a new flange nut.

    Tightening torque: 

    60 N.m (6.1 kgf-m, 44.3 ft-lb)

    G12476104Courtesy of SUBARU OF AMERICA, INC.
  38. Install the plate assembly to transmission.

    Tightening torque: 

    25 N.m (2.5 kgf-m, 18.4 ft-lb)

    G12476105Courtesy of SUBARU OF AMERICA, INC.
  39. Install the washer and snap pin to the shifter arm.
    CAUTION: Do not apply excessive load while holding the part (a).
    G12476106Courtesy of SUBARU OF AMERICA, INC.
    G12476107Courtesy of SUBARU OF AMERICA, INC.
  40. Install the propeller shaft. Ref. to DRIVE SHAFT SYSTEM>Propeller Shaft>INSTALLATION .
  41. Install the center exhaust cover.

    Tightening torque: 

    18 N.m (1.8 kgf-m, 13.3 ft-lb)

    G12476108Courtesy of SUBARU OF AMERICA, INC.
  42. Install the center exhaust pipe. Ref. to EXHAUST (H4DO)>Center Exhaust Pipe>INSTALLATION .
  43. Install the under cover - front.
  44. Install the under cover front - transmission.

    Tightening torque: 

    18 N.m (1.8 kgf-m, 13.3 ft-lb)

  45. Lower the vehicle.
  46. Connect the following harness connectors.
    • Transmission harness connectors
    • Inhibitor harness connector
    • Transmission radio ground terminal

      Tightening torque: 

      13 N.m (1.3 kgf-m, 9.6 ft-lb)

      G12476109Courtesy of SUBARU OF AMERICA, INC.
  47. Install the air intake boot assembly. Ref. to INTAKE (INDUCTION) (H4DO)>Air Intake Boot>INSTALLATION .
  48. Install the front tires. Ref. to WHEEL AND TIRE SYSTEM>Tire and Wheel>INSTALLATION .
  49. Connect the battery ground terminal.
  50. Refill differential gear oil to adjust the differential gear oil amount. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580)>DIFFERENTIAL GEAR OIL .
  51. Refill CVTF to adjust the CVTF level. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580)>CVTF>ADJUSTMENT .
  52. Perform the operation of AT learning mode. Ref. to TRANSMISSION (DIAGNOSTICS)>LEARNING CONTROL .
  53. Execute the rear differential inspection mode. Ref. to DIFFERENTIALS>REAR DIFFERENTIAL INSPECTION MODE .
    CAUTION: Always execute the rear differential inspection mode at the replacement of the following.
    • Replacement of transmission assembly
    • Replacement of front differential hypoid gear set
  54. Perform the road test to make sure there is no fault. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580)>Road Test>INSPECTION .
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