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Home >> Subaru >> 2015 >> WRX Limited, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Emission Control Systems (Aux. Emission Control Devices) (STI)) >> Leak Check Valve Assembly >> Removal

Leak Check Valve Assembly: Removal

WARNING: This page is about a different variant/trim than selected.
WARNING: Place "NO OPEN FLAMES" signs near the working area.
CAUTION: Be careful not to spill fuel.
  1. Release the fuel pressure. <Ref. to RELEASING OF FUEL PRESSURE , PROCEDURE, Fuel.>
  2. Drain fuel. <Ref. to DRAINING FUEL (WITH SUBARU SELECT MONITOR) , PROCEDURE, Fuel.>
  3. Disconnect the ground cable from battery.
  4. Lift up the vehicle.
  5. Remove the rear exhaust pipe. <Ref. to REMOVAL , Rear Exhaust Pipe.>
  6. Remove the propeller shaft. <Ref. to REMOVAL , Propeller Shaft.>
  7. Support the rear differential with the transmission jack.
  8. Disconnect the connector from oil temperature sensor.
    Fig 1: Locating Connector From Oil Temperature Sensor
    G10264998Courtesy of SUBARU OF AMERICA, INC.
  9. Remove the self-locking nuts which hold the rear differential to the rear sub frame assembly.
    Fig 2: Locating Self-Locking Nuts
    G10264999Courtesy of SUBARU OF AMERICA, INC.
  10. Remove the rear differential member from the rear sub frame assembly and the rear differential.
    Fig 3: Locating Self-Locking Nuts
    G10265000Courtesy of SUBARU OF AMERICA, INC.
  11. Lower the transmission jack gradually until the rear differential is at the position shown in the figure.
    NOTE:
    • When pulling out the stud bolt from the bushing portion of the rear sub frame assembly, adjust the angle and location of transmission jack and jack stand.
      Fig 4: Pulling Out Stud Bolt From Bushing Portion Of Rear Sub Frame Assembly
      G09475723Courtesy of SUBARU OF AMERICA, INC.
    • Do not lower the rear differential excessively. Doing so may add extra load to the drive shaft or cause the falling-off of the drive shaft.
    Fig 5: Identifying Drive Shaft
    G10265002Courtesy of SUBARU OF AMERICA, INC.
  12. Disconnect the fuel filler hose (A) and evaporation hose (B) from the fuel filler pipe assembly.
    Fig 6: Identifying Fuel Filler Hose And Evaporation Hose
    G10264909Courtesy of SUBARU OF AMERICA, INC.
  13. Disconnect the drain tube from the drain pipe.
    NOTE: Disconnect the quick connector as shown in the figure.
    Fig 7: Disconnecting Quick Connector
    G08315492Courtesy of SUBARU OF AMERICA, INC.
    Fig 8: Locating Quick Connector
    G10265037Courtesy of SUBARU OF AMERICA, INC.
  14. Disconnect the drain tube (A) from the canister.
    NOTE: Disconnect the quick connector as shown in the figure.
    Fig 9: Disconnecting Quick Connector
    G08315492Courtesy of SUBARU OF AMERICA, INC.
  15. Remove the tube clamp (B) from the canister bracket A, and remove the drain tube from the tube clamp.
    Fig 10: Removing Tube Clamp From Canister Bracket
    G10265052Courtesy of SUBARU OF AMERICA, INC.
  16. Disconnect the connector (A) from the leak check valve assembly.
  17. Remove the bolts which hold the leak check valve assembly and remove the leak check valve assembly together with drain tube from vehicle.
    Fig 11: Locating Leak Check Valve Assembly Bolts
    G10265053Courtesy of SUBARU OF AMERICA, INC.
  18. Disconnect the drain tube A (A) and drain tube B (B) from the leak check valve assembly.
    NOTE: Disconnect the quick connector as shown in the figure.
    Fig 12: Disconnecting Quick Connector
    G08315492Courtesy of SUBARU OF AMERICA, INC.
  19. Remove the tube clamp from the drain tube A (A) and drain tube B (B).
    Fig 13: Locating Tube Clamp
    G10265055Courtesy of SUBARU OF AMERICA, INC.
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