LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2023 >> 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 with a new differential side retainer oil seal. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>DIFFERENTIAL SIDE RETAINER OIL SEAL>REPLACEMENT .
  3. Install the CVTF cooler inlet pipe and CVTF cooler outlet pipe.
    1. Install a new CVTF cooler inlet hose and a new CVTF cooler outlet hose. (Model without CVTF cooler (air cool))
      G13621908Courtesy of SUBARU OF AMERICA, INC.
    2. Install a new CVTF cooler outlet hose. (Model with CVTF cooler (air cool))
      G13621907Courtesy of SUBARU OF AMERICA, INC.
    3. Install the CVTF cooler inlet pipe. (Model without CVTF cooler (air cool))
    4. Install a new CVTF CVT inlet hose. (Model with CVTF cooler (air cool))
      G13621905Courtesy of SUBARU OF AMERICA, INC.
    5. Install the CVTF cooler outlet pipe.
  4. Install the transmission case cover (front).

    Tightening torque: 

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

  5. Install the transmission case cover (rear).
    NOTE: Before installing the part (a), connect the CVTF cooler inlet pipe and CVTF cooler outlet pipe.

    Tightening torque: 

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

    G14611062Courtesy of SUBARU OF AMERICA, INC.
  6. Install the rear cushion rubber. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>TRANSMISSION MOUNTING SYSTEM>INSTALLATION>TRANSMISSION REAR CROSSMEMBER AND REAR CUSHION RUBBER .
  7. Place the transmission body on the transmission jack.
    CAUTION: Make sure that the support plates of transmission jack do not touch the oil pan.
  8. 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 extra overload or impact to the transmission case.
    G14611063Courtesy of SUBARU OF AMERICA, INC.
  9. 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.
    G09480208Courtesy of SUBARU OF AMERICA, INC.
  10. 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 With Torque Specification
    G13200005Courtesy of SUBARU OF AMERICA, INC.
  11. Install the bolts which hold the transmission case cover (rear).

    Tightening torque: 

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

    G13200000Courtesy of SUBARU OF AMERICA, INC.
  12. Install the transmission rear crossmember. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>TRANSMISSION MOUNTING SYSTEM>INSTALLATION>TRANSMISSION REAR CROSSMEMBER AND REAR CUSHION RUBBER .
  13. Remove the transmission jack.
  14. Install the bolts which hold upper side of transmission.

    Tightening torque: 

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

    G14610594Courtesy of SUBARU OF AMERICA, INC.
  15. 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)

  16. Apply grease to the shifter arm.

    Preparation items: 

    Grease: NIPPON GREASE NIGTIGHT LTS No. 2 or equivalent

    G14602411Courtesy of SUBARU OF AMERICA, INC.
  17. Connect the oil cooler pipe. (Model with CVTF cooler (air cool))

    Tightening torque: 

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

  18. Connect the select cable to the transmission main body.
    CAUTION: Do not apply excessive load while holding the part (a).
    G14602401Courtesy of SUBARU OF AMERICA, INC.
    NOTE: Set the washer before installing the snap pin.

    Tightening torque: 

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

    G14602402Courtesy of SUBARU OF AMERICA, INC.
  19. Install the hanger bracket. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>TRANSMISSION MOUNTING SYSTEM>INSTALLATION>HANGER BRACKET .
  20. Install the propeller shaft. Ref. to PROPELLER SHAFT/DRIVE SHAFT/AXLE>PROPELLER SHAFT>INSTALLATION .
  21. Install the front drive shaft. Ref. to PROPELLER SHAFT/DRIVE SHAFT/AXLE>FRONT DRIVE SHAFT>INSTALLATION .
  22. Remove the ST (ENGINE SUPPORT ASSY).
  23. Connect the engine ground.

    Tightening torque: 

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

  24. 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 bolts (4 places) securing the torque converter to the drive plate.
      NOTE: Be careful not to drop bolts into 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.
  25. Install the starter. Ref. to STARTING/CHARGING SYSTEMS (H4DOTC)>STARTER>INSTALLATION .
  26. Connect the CVTF cooler (with warmer feature).

    Tightening torque: 

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

  27. Install the pitching stopper and pitching stopper bracket. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>TRANSMISSION MOUNTING SYSTEM>INSTALLATION>PITCHING STOPPER .
  28. Install the engine rear hanger.

    Tightening torque: 

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

    G16389387Courtesy of SUBARU OF AMERICA, INC.
  29. Connect the engine wiring harness connector (A), engine wiring harness connector (B), clamp (C) and clamp (D).
    G16389386Courtesy of SUBARU OF AMERICA, INC.
  30. Install the intercooler. Ref. to INTAKE (INDUCTION) (H4DOTC)>INTERCOOLER>INSTALLATION .
  31. Install the air intake duct. Ref. to INTAKE (INDUCTION) (H4DOTC)>AIR INTAKE DUCT>INSTALLATION .
  32. Release the shift lock and shift the select lever to the "P range". Ref. to CONTROL SYSTEMS>SELECT LEVER>INSTALLATION .
  33. Connect the ground terminal to battery sensor. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
  34. Apply the parking brake.
  35. Fill differential gear oil. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>DIFFERENTIAL GEAR OIL>REPLACEMENT .
  36. Fill with CVTF. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>CVTF>REPLACEMENT .
  37. Perform the [Clear AT learning value] and [AT learning mode] using Subaru Select Monitor. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>AT LEARNING .
  38. When replacing the transmission body, hypoid gear set, transfer drive gear and transfer driven gear, perform [Rear differential inspection mode] using the Subaru Select Monitor. Ref. to DIFFERENTIALS>REAR DIFFERENTIAL INSPECTION MODE .
  39. 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 .
  40. Perform the "Road test" to make sure there is no fault. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>ROAD TEST>INSPECTION .
scientia non olet · About LEMON Manuals