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Home >> Subaru >> 2003 >> Impreza RS, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Overhaul >> Low And Reverse Brake >> Installation

Low And Reverse Brake: Installation

  1. Install the low and reverse piston without tilting.
    NOTE: Be careful not to damage the lip seal.
    Fig 1: Installing Low & Reverse Piston
    G01999195Courtesy of SUBARU OF AMERICA, INC.
  2. Install return spring.
    Fig 2: Installing Return Spring
    G01999196Courtesy of SUBARU OF AMERICA, INC.
  3. Install spring retainer.
    Fig 3: Installing Spring Retainer
    G01999197Courtesy of SUBARU OF AMERICA, INC.
  4. Install the one-way clutch inner race. See INSTALLATION , One-way Clutch.
  5. Install thrust needle bearing.
    NOTE: Place transmission case with the front facing up.
  6. Installation of the low & reverse brake:

    Install dish plate, driven plates, drive plates, and a retaining plate, and secure with a snap ring.

    NOTE: Pay attention to the orientation of the dish plate.
    Fig 4: Installing Dish Plate
    G01999198Courtesy of SUBARU OF AMERICA, INC.
  7. Apply compressed air intermittently to check for operation.
    Fig 5: Applying Compressed Air Intermittently To Check For Operation
    G01999199Courtesy of SUBARU OF AMERICA, INC.
  8. Check the clearance and select retaining plate. See INSPECTION , Low and Reverse Brake.
  9. Install 2-4 brake piston, retainer and return spring to transmission case. See INSTALLATION , 2-4 Brake.
  10. Install planetary gear and low clutch assembly to transmission case.

    Install carefully while rotating the low clutch and planetary gear assembly slowly paying special attention not to damage the seal ring. See INSTALLATION , Planetary Gear and Low Clutch.

  11. Install the high clutch assembly. See INSTALLATION , High Clutch and Reverse Clutch.
  12. Install the oil pump housing assembly. See INSTALLATION , Oil Pump.
  13. Install the control assembly and oil pan. See INSTALLATION , Control Valve Body.
  14. Install the torque converter clutch case assembly to the transmission case assembly. See INSTALLATION , Torque Converter Clutch Case.
  15. Install reduction driven gear. See INSTALLATION Reduction Driven Gear.
  16. Install reduction drive gear (MPT model). See INSTALLATION , Reduction Drive Gear.
  17. Install the center differential carrier (VTD model). See INSTALLATION , Center Differential Carrier.
  18. Install the extension case and rear vehicle speed sensor to the transmission case. See INSTALLATION , Extension Case.
  19. Insert inhibitor switch and transmission connector into stay.
    Fig 6: Inserting Inhibitor Switch & Transmission Connector Into Stay
    G01999200Courtesy of SUBARU OF AMERICA, INC.
  20. Install air breather hose. See INSTALLATION , Air Breather Hose.
  21. Install the oil cooler pipes. See INSTALLATION , ATF Cooler Pipe and Hose.
  22. Install the oil charger pipe with O-ring. See INSTALLATION , Oil Charger Pipe.
  23. 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
    G01999201Courtesy of SUBARU OF AMERICA, INC.
  24. Install the torque converter clutch assembly. See INSTALLATION , Torque Converter Clutch Assembly.
  25. Install the transmission assembly to the vehicle. See INSTALLATION , Automatic Transmission Assembly.
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