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Oil Pump: Installation

WARNING: This page is about a different car, the 2003 Subaru Impreza. However, it is still accessible from the selected car via links, so may be relevant.
  1. Assemble the drive pinion assembly to the oil pump housing.
    NOTE:
    • Be careful not to bend the shims.
    • Be careful not to force the pinion against the housing bore.
  2. Tighten four bolts to secure the roller bearing.
    1. Tightening torque:  40 N.m (4.1 kgf-m, 30 ft-lb)
    Fig 1: Tightening Four Bolts To Secure Roller Bearing
    G01999016Courtesy of SUBARU OF AMERICA, INC.
  3. While paying attention to the orientation of the oil seals, install two new oil seals to the oil seal retainer using ST.

    ST 499247300 INSTALLER

    Fig 2: Installing Two New Oil Seals To Oil Seal Retainer Using ST
    G01999017Courtesy of SUBARU OF AMERICA, INC.
  4. Attach the new O-ring to the oil seal retainer with petrolatum. Install the seal to the oil pump housing bore.
    Fig 3: Installing New O-Ring To Oil Seal Retainer
    G01999018Courtesy of SUBARU OF AMERICA, INC.
  5. Install the oil seal retainer taking care not to damage the oil seal lips. Then secure with three bolts.
    1. Tightening torque:  7 N.m (0.7 kgf-m, 5.1 ft-lb)
    Fig 4: Installing Oil Seal Retainer
    G01999019Courtesy of SUBARU OF AMERICA, INC.
  6. Make sure the O-ring is fitted correctly in position.
  7. Secure the housing with two nuts and the bolt.
    1. Tightening torque:  42 N.m (4.3 kgf-m, 31 ft-lb)
    Fig 5: Securing Housing With Two Nuts & Bolt
    G01999020Courtesy of SUBARU OF AMERICA, INC.
  8. Install the torque converter clutch case assembly to the transmission case assembly. See INSTALLATION , Torque Converter Clutch Assembly.
  9. Install reduction driven gear. See INSTALLATION Reduction Driven Gear.
  10. Install reduction driven gear (MPT model). See INSTALLATION Reduction Drive Gear.
  11. Install the center differential carrier (VTD model). See INSTALLATION , Center Differential Carrier.
  12. Combine the extension case with the transmission case, and install vehicle speed sensor 1 (rear).

    See INSTALLATION , Extension Case.

  13. Insert inhibitor switch and transmission connector into stay.
    Fig 6: Inserting Inhibitor Switch & Transmission Connector Into Stay
    G01999021Courtesy of SUBARU OF AMERICA, INC.
  14. Install air breather hose. See INSTALLATION , Air Breather Hose.
  15. Install the oil cooler pipes. See INSTALLATION , ATF Cooler Pipe and Hose.
  16. Install the oil charger pipe with O-ring. See INSTALLATION , Oil Charger Pipe.
  17. Insert the input shaft while turning lightly by hand. At this time, not to damage the bushing.
    1. Normal protrusion A:  50 - 55 mm (1.97 - 2.17 in)
    Fig 7: Inserting Input Shaft While Turning Lightly By Hand
    G01999022Courtesy of SUBARU OF AMERICA, INC.
  18. Install the torque converter clutch assembly. See INSTALLATION , Torque Converter Clutch Assembly.
  19. Install the transmission assembly to the vehicle. See INSTALLATION , Automatic Transmission Assembly.
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