2021 Subaru Ascent BaseFACTORY OEM SERVICE PROCEDURE

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).
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.