FixVault
Home › Subaru › 2017 › Outback 2.5i Limited › Repair and Diagnosis › Transmission › Automatic Trans › Continuously Variable Transaxle (CVT) (H4DO) › Transfer Clutch Pressure Test › Inspection › Outback Model

Outback Model

  1. Lift up the vehicle.
  2. Remove the center exhaust cover.
  3. Using the ST, remove the transfer clutch pressure test plug.

    ST 18270AA040 SOCKET

    Fig 1: Removing Transfer Clutch Pressure Test Plug Using Socket (18270AA040)
    G10218498Courtesy of SUBARU OF AMERICA, INC.
  4. Set the ST1, ST2, ST3 and ST4 to the transmission.
    NOTE:
    • Use ST1 ADAPTER HOSE B with genuine union screw (Part No. 801914010) and gasket (Part No. 803914060) attached.
    • Use ST3 PRESSURE GAUGE ADAPTER with genuine O-ring (Part No. 806911080) attached.

    ST1 34099AC020 ADAPTER HOSE B

    ST2 34099AC010 ADAPTER HOSE A

    ST3 18681AA000 PRESSURE GAUGE ADAPTER

    ST4 498575400 OIL PRESSURE GAUGE ASSY

    Fig 2: Setting Special Tools To Transmission
    G11572596Courtesy of SUBARU OF AMERICA, INC.
    Fig 3: Oil Pressure Gauge Assy (498575400), Pressure Gauge Adapter (18681AA000) And O-Ring (Genuine Part)
    G11572597Courtesy of SUBARU OF AMERICA, INC.
  5. Connect the Subaru Select Monitor to the data link connector and read the current data.
  6. Check the transfer clutch pressure as in secondary pressure (line pressure) test. <Ref. to SECONDARY PRESSURE (LINE PRESSURE) TEST .>
    NOTE:
    • Use Subaru Select Monitor for switching to FWD mode. <Ref. to AWD ON/OFF SWITCHING MODE .>
    • If no oil pressure is produced, if it does not change in AWD mode or if oil pressure is produced in FWD mode, there may be a problem in the control valve body.
    Range position ON Duty ratio (%) Accelerator pedal opening angle (%) Standard transfer clutch pressure kPa (kgf/cm2 , psi)
    AWD mode FWD mode
    D 95 - 100 Fully opened (100) 1, 000 - 1, 200 (10.2 - 12.2, 145 - 174) -
    60 Adjust ON Duty ratio to 60%. 400 - 700 (4.1 - 7.1, 58 - 102) -
    0 Fully closed (0) - 0 (0, 0)
    N or P 0 Fully closed (0) 0 -
  7. Lift up the vehicle.
  8. Remove the ST.
  9. Install the test plug using ST1 and ST2.
    NOTE:
    • Use new O-rings.
    • Apply CVTF to the O-rings.
    • Tighten the test plug while directly aligning ST2 and torque wrench.

    ST1 18270AA040 SOCKET

    ST2 73099SG000 SPECIAL TOOL CONDENSER

    Tightening torque: 

    Calculation formula

    T = L/(100 mm (3.94 in) + L) x 22 N.m (2.2 kgf-m, 16.2 ft-lb)

    T: Tightening torque

    L: Effective length of torque wrench

    NOTE: If the effective length of the torque wrench used is unknown, consult the manufacturer of the torque wrench.
    Fig 4: Effective Length Of Torque Wrench, Special Tool Condenser And Center Of Drive Angle Of Torque Wrench
    G11572598Courtesy of SUBARU OF AMERICA, INC.
    Fig 5: Installing Test Plug Using Socket (18270AA040) And Special Tool Condenser (73099SG000)
    G10218506Courtesy of SUBARU OF AMERICA, INC.
  10. Install the center exhaust cover.

    Tightening torque: 

    18 N.m (1.8 kgf-m, 13.3 ft-lb) 

  11. Lower the vehicle.
About FixVault