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Home >> Subaru >> 2017 >> WRX Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Continuously Variable Transaxle (CVT) (Service Information)) >> Drive Pinion Shaft Assembly >> Installation

Drive Pinion Shaft Assembly: Installation

WARNING: This page is about a different variant/trim than selected.
  1. Clean the mating surface of drive pinion retainer and converter case.
  2. Adjust the backlash and tooth contact between drive pinion shaft assembly and the front differential side gear. <Ref. to ADJUSTMENT , Drive Pinion Shaft Assembly.>
  3. Install the O-ring for oil pump to drive pinion retainer.
    NOTE:
    • Use new O-rings.
    • Apply CVTF to the O-rings.
    Fig 1: Locating O-Rings
    G06654674Courtesy of SUBARU OF AMERICA, INC.
  4. Install the plate and the oil pump.
    NOTE: Apply CVTF to the bolt.

    Tightening torque: 

    8.5 N.m (0.9 kgf-m, 6.3 ft-lb) 

    Fig 2: Removing Oil Pump And Plate
    G06654673Courtesy of SUBARU OF AMERICA, INC.
  5. Apply liquid gasket seamlessly to the mating surface of drive pinion retainer.
    NOTE: Be careful not to block the arrowed hole when applying liquid gasket.

    Liquid gasket: 

    THREE BOND 1215B or equivalent 

    Fig 3: Locating Liquid Gasket Applying Area To Mating Surface Of Drive Pinion Retainer
    G06654677Courtesy of SUBARU OF AMERICA, INC.
  6. Install the O-ring to the lubrication pipe.
    NOTE:
    • Use new O-rings.
    • Apply CVTF to the O-rings.
    Fig 4: Locating O-Ring To Lubrication Pipe
    G06654678Courtesy of SUBARU OF AMERICA, INC.
  7. Install the drive pinion retainer and lubrication pipe to converter case and tighten the bolt using the ST.

    ST 18270KA020 SOCKET (E20)

    NOTE: Do not confuse the three different-length bolts when installing.

    Tightening torque: 

    43 N.m (4.4 kgf-m, 31.7 ft-lb) 

    Fig 5: Drive Pinion Retainer Different-Length Bolts
    G09482249Courtesy of SUBARU OF AMERICA, INC.
  8. Install the primary pulley, secondary pulley and variator chain. <Ref. to INSTALLATION , Primary Pulley and Secondary Pulley.>
  9. Install the transmission case. <Ref. to INSTALLATION , Transmission Case.>
  10. Install the forward clutch assembly. <Ref. to INSTALLATION , Forward Clutch Assembly.>
  11. Install the intermediate case. <Ref. to INSTALLATION , Intermediate Case.>
  12. Install the transfer reduction driven gear assembly. <Ref. to INSTALLATION , Transfer Reduction Driven Gear.>
  13. Install the center differential carrier. <Ref. to INSTALLATION , Center Differential Carrier.>
  14. Install the transfer clutch assembly. <Ref. to INSTALLATION , Transfer Clutch.>
  15. Install the rear drive shaft. <Ref. to INSTALLATION , Rear Drive Shaft.>
  16. Install the extension case. <Ref. to INSTALLATION , Extension Case.>
  17. Install the transmission harness. <Ref. to INSTALLATION , Transmission Harness.>
  18. Install the oil pan and control valve body. <Ref. to INSTALLATION , Control Valve Body.>
  19. Install the air breather hose. <Ref. to INSTALLATION , Air Breather Hose.>
  20. Install the transmission assembly to the vehicle. <Ref. to INSTALLATION , Automatic Transmission Assembly.>
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