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Home >> Subaru >> 2018 >> Impreza Base, 4D Wagon, Automatic CVT Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> CVT Transaxle >> Preparation for Overhaul >> Procedure

Preparation for Overhaul: Procedure

  1. Clean the transmission exterior.
  2. Remove the torque converter assembly. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>Torque Converter Assembly .
  3. Attach the ST to the transmission.

    Preparation tool: 

    ST: STAND ASSY (18632AA000)

    Fig 1: Attaching ST To Transmission
    G11255742Courtesy of SUBARU OF AMERICA, INC.
  4. Remove the transmission case cover on the transmission upper side.
    NOTE: For installation, first install the transmission case cover (large), then insert the transmission case cover (small) between the transmission case cover (large) and the transmission to install.

    Tightening torque: 

    Cover (small): 7 N.m (0.7 kgf-m, 3.7 ft-lb)

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

    Fig 2: Identifying Transmission Case Cover
    G11255686Courtesy of SUBARU OF AMERICA, INC.
    Fig 3: Installing Transmission Case Cover
    G11255547Courtesy of SUBARU OF AMERICA, INC.
  5. Place the transmission assembly on end.
  6. When completely overhauling the transmission, refill approx. 10 L (2.6 US qt, 8.8 Imp qt) of CVTF through the transmission right side plug, and install the plug. Finally, install the transmission case cover.
    CAUTION: Always use specified CVTF. Using other fluid will cause malfunction. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>General Description>SPECIFICATION>HYDRAULIC CONTROL AND LUBRICATION .
    NOTE: Use a new gasket.

    Tightening torque: 

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

    Fig 4: Locating Plug
    G11255745Courtesy of SUBARU OF AMERICA, INC.