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Home >> Subaru >> 2019 >> WRX STI Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Emission Control Systems (Aux. Emission Control Devices) (Except For 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. Refer to FUEL INJECTION (FUEL SYSTEMS) (EXCEPT FOR STI)>FUEL>PROCEDURE>RELEASING OF FUEL PRESSURE .
  2. Drain fuel. Refer to FUEL INJECTION (FUEL SYSTEMS) (EXCEPT FOR STI)>FUEL>PROCEDURE>DRAINING FUEL (WITH SUBARU SELECT MONITOR) .
  3. Disconnect the ground terminal from battery sensor. Refer to NOTE>NOTE>BATTERY .
  4. Lift up the vehicle.
  5. Remove the rear exhaust pipe. Refer to EXHAUST (EXCEPT FOR STI)>REAR EXHAUST PIPE>REMOVAL .
  6. Remove the propeller shaft. Refer to DRIVE SHAFT SYSTEM>PROPELLER SHAFT>REMOVAL .
  7. Support the rear differential with the transmission jack.
  8. Remove the self-locking nuts which hold the rear differential to the rear sub frame assembly.
    G13258724Courtesy of SUBARU OF AMERICA, INC.
  9. Remove the rear differential member from the rear sub frame assembly and the rear differential.
    G13258725Courtesy of SUBARU OF AMERICA, INC.
  10. 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.
      G13258726Courtesy 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.
    G13258727Courtesy of SUBARU OF AMERICA, INC.
  11. Disconnect the fuel filler hose (A) and evaporation hose (B) from the fuel filler pipe assembly.
    G13258728Courtesy of SUBARU OF AMERICA, INC.
  12. Disconnect the drain tube from the drain pipe.
    NOTE: Disconnect the quick connector as shown in the figure.
    G13258729Courtesy of SUBARU OF AMERICA, INC.
    G13258730Courtesy of SUBARU OF AMERICA, INC.
  13. Disconnect the drain tube (A) from the canister.
    NOTE: Disconnect the quick connector as shown in the figure.
    G13258731Courtesy of SUBARU OF AMERICA, INC.
  14. Remove the tube clamp (B) from the canister bracket A, and remove the drain tube from the tube clamp.
    G13258732Courtesy of SUBARU OF AMERICA, INC.
  15. Disconnect the connector (A) from the leak check valve assembly.
  16. Remove the bolts which hold the leak check valve assembly and remove the leak check valve assembly together with drain tube from vehicle.
    G13258733Courtesy of SUBARU OF AMERICA, INC.
  17. 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.
    G13258734Courtesy of SUBARU OF AMERICA, INC.
  18. Remove the tube clamp from the drain tube A (A) and drain tube B (B).
    G13258735Courtesy of SUBARU OF AMERICA, INC.
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