LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2021 >> Ascent Base >> Repair and Diagnosis >> Transmission >> Automatic Trans >> CVT Transaxle System >> Transmission Assembly >> Installation
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Transmission Assembly: Installation

  1. When having overhauled the transmission body, refer to "Preparation for overhaul". Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>PREPARATION FOR OVERHAUL .
  2. Replace the differential side retainer oil seal. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>Differential Side Retainer Oil Seal>REPLACEMENT .
  3. Install the transmission case cover (rear).

    Tightening torque: 

    8 N.m (0.8 kgf-m, 5.9 ft-lb)

  4. Install the rear cushion rubber. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>Transmission Mounting System>INSTALLATION>TRANSMISSION REAR CROSSMEMBER AND REAR CUSHION RUBBER .
  5. Place the transmission body on the transmission jack.
    CAUTION: Make sure that the support plates of transmission jack do not touch the oil pan.
  6. Strike and bend the transmission hanger 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.
    G09481956Courtesy of SUBARU OF AMERICA, INC.
  7. Install the transmission body.
    NOTE:
    • Adjust the position and angle of the transmission jack and engine body if necessary.
    • Temporarily install the bolts and nuts which hold lower side of the transmission.
  8. Connect the CVTF cooler inlet pipe and CVTF cooler outlet pipe with a new gasket.

    Tightening torque: 

    T1: 16 N.m (1.6 kgf-m, 11.8 ft-lb)

    T2: 40 N.m (4.1 kgf-m, 29.5 ft-lb)

    Fig 1: CVTF Cooler Inlet And Outlet Pipe Bolts Or Nuts Components (With Torque Specification)
    G13200005Courtesy of SUBARU OF AMERICA, INC.
  9. Install the bolts which hold the transmission case cover (rear).

    Tightening torque: 

    8 N.m (0.8 kgf-m, 5.9 ft-lb)

  10. Install the transmission rear crossmember. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>Transmission Mounting System>INSTALLATION>TRANSMISSION REAR CROSSMEMBER AND REAR CUSHION RUBBER .
  11. Remove the transmission jack.
  12. Tighten the bolts and nuts which hold lower side of the transmission.

    Tightening torque: 

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

  13. Install the propeller shaft. Ref. to PROPELLER SHAFT/DRIVE SHAFT/AXLE>Propeller Shaft>INSTALLATION .
  14. Connect the select cable to the transmission main body.
    CAUTION: Do not apply excessive load while holding the part (a).
    NOTE: Set the washer before installing the snap pin.

    Tightening torque: 

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

    G13591814Courtesy of SUBARU OF AMERICA, INC.
    G13225470Courtesy of SUBARU OF AMERICA, INC.
  15. Connect the secondary pressure sensor harness connector.
  16. Install the exhaust hanger bracket.

    Tightening torque: 

    30 N.m (3.1 kgf-m, 22.1 ft-lb)

  17. Install the bolts which hold upper side of transmission.

    Tightening torque: 

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

  18. Connect the CVTF cooler (with warmer feature).

    Tightening torque: 

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

  19. Install the front drive shaft. Ref. to PROPELLER SHAFT/DRIVE SHAFT/AXLE>Front Drive Shaft>INSTALLATION .
  20. Remove the ST (ENGINE SUPPORT ASSY).
  21. Install the torque converter to drive plate.
    1. Remove the ST from converter case.
      NOTE: Be careful not to drop the ST into the converter housing when removing the ST.
      G13198687Courtesy of SUBARU OF AMERICA, INC.
    2. Insert the wrench into the crank pulley bolt, and rotate the crank pulley to attach the four bolts securing the torque converter to the drive plate.
      CAUTION: Do not drop the bolts in the converter housing.

      Tightening torque: 

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

      G13198686Courtesy of SUBARU OF AMERICA, INC.
    3. Fit the plug to service hole.
    G13198685Courtesy of SUBARU OF AMERICA, INC.
  22. Connect the engine ground.

    Tightening torque: 

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

  23. Install the bolts which secure the CVTF cooler pipe No. 1.

    Tightening torque: 

    16 N.m (1.6 kgf-m, 11.8 ft-lb)

  24. Install the harness stay.

    Tightening torque: 

    16 N.m (1.6 kgf-m, 11.8 ft-lb)

  25. Install the starter. Ref. to STARTING/CHARGING SYSTEMS (H4DOTC)>Starter>INSTALLATION .
  26. Install the center exhaust pipe (rear). Ref. to EXHAUST (H4DOTC)>Center Exhaust Pipe>INSTALLATION .
  27. Install the rear exhaust pipe. Ref. to EXHAUST (H4DOTC)>Rear Exhaust Pipe>INSTALLATION .
  28. Connect the engine rear hanger (B) and connect the vacuum pipe (A).

    Tightening torque: 

    T1: 18 N.m (1.8 kgf-m, 13.3 ft-lb)

    T2: 36 N.m (3.7 kgf-m, 26.6 ft-lb)

    Fig 2: Engine Rear Hanger And Vacuum Pipe Bolts Components (With Torque Specification)
    G13200009Courtesy of SUBARU OF AMERICA, INC.
  29. Connect the primary pressure sensor harness connector.
  30. Connect the engine wiring harness connector (A), engine wiring harness connector (B), clamp (C) and clamp (D).
    G13199981Courtesy of SUBARU OF AMERICA, INC.
  31. Install the pitching stopper. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>Transmission Mounting System>INSTALLATION>PITCHING STOPPER .
  32. Install the intercooler. Ref. to INTAKE (INDUCTION) (H4DOTC)>Intercooler>INSTALLATION .
  33. Install the air intake duct. Ref. to INTAKE (INDUCTION) (H4DOTC)>Air Intake Duct>INSTALLATION .
  34. Shift the select lever to "P range".
  35. Connect the ground terminal to battery sensor. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
  36. Apply the parking brake.
  37. Fill differential gear oil. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>Differential Gear Oil>REPLACEMENT .
  38. Fill with CVTF. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>CVTF>REPLACEMENT .
  39. Perform "Clear AT learning value" and "AT learning mode" using the Subaru Select Monitor. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>AT LEARNING .
  40. When replacing the transmission body, hypoid gear set, transfer drive gear and transfer driven gear, perform the "Rear differential inspection mode" using the Subaru Select Monitor. Ref. to DIFFERENTIALS>REAR DIFFERENTIAL INSPECTION MODE .
  41. When replacing the variator chain, primary pulley and secondary pulley, perform the "Variator chain break-in". Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>Variator Chain Break-in>PROCEDURE .
  42. Perform the "Road test" to make sure there is no fault. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>Road Test>INSPECTION .