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Home >> Subaru >> 2023 >> WRX Base, Automatic CVT Trans >> Repair and Diagnosis >> Body & Frame >> Seat System - Seats >> Front Seat >> Assembly >> Seat Common Operation Procedure

Seat Common Operation Procedure

CAUTION:
  • Before handling the airbag system components, refer to "CAUTION" of "General Description" in "AIRBAG SYSTEM". Ref. to AIRBAG SYSTEM>GENERAL DESCRIPTION>CAUTION .
  • Do not confuse the harness routing of the side airbag harness and the front seat belt INN harness, etc. Assembling with harnesses improperly routed may cause the harness to get caught and short out.
  • If the hook spring of the backrest frame assembly is deformed or comes off due to the deformation, replace the flat mat & hook spring assembly with a new part. (Except for RECARO® seat)
    G14612682Courtesy of SUBARU OF AMERICA, INC.
  • Make sure that the side airbag module is installed as shown in the figure.
    G16338832Courtesy of SUBARU OF AMERICA, INC.
    (1) Seat pad ASSY backrest
    (2) Seat frame ASSY backrest
    (3) Side airbag module inflator
    (4) Self-locking nut
    (5) Cover backrest front seat
    (6) Side airbag guide cloth
    (7) Hexagon cap nut
  • If the front seat cover is not installed securely, the side airbag may not be activated properly, therefore keep strictly to the following procedures.
    • Do not reuse the mounting nuts of the airbag module. Always replace with a new specified nut.
    • Be careful not to stain or damage the front seat cover during assembly.
    • Do not reuse the hog ring and hang wire.
    • Secure the hog ring using hog ring pliers.
    • Install the hog rings to the specified points securely and make sure that there is no wrinkle or twisting on the front seat cover.
  1. Make sure that there is no foreign matter on side airbag module.
  2. Assemble the seat cover.
    1. Adjust so that the left and right clearances between wire and seat pad become equal, and mark the seat pad.
      G16541017Courtesy of SUBARU OF AMERICA, INC.
      (a) Marking
    2. Mark the center of the wire on the pad side to which the hog ring is attached.
      G16541018Courtesy of SUBARU OF AMERICA, INC.
      (a) Marking
    3. Insert the wire into the seat cover, and align the wire with the position marked in step (1).
      G14612686Courtesy of SUBARU OF AMERICA, INC.
    4. Mark the wire on the seat cover side according to the markings on the seat pad.
      G16541020Courtesy of SUBARU OF AMERICA, INC.
      (a) Marking
    5. Perform steps  1 -  4 for all sections to which the hog rings are attached.
    6. Secure the hang wire with new hog rings.
      • Cushion cover surface side
        G14612688Courtesy of SUBARU OF AMERICA, INC.
      • Backrest cover surface side
        G14612689Courtesy of SUBARU OF AMERICA, INC.
    7. Make sure that all hog rings, plastic fasteners and tape are attached securely.
      • Cushion cover
        G14612644Courtesy of SUBARU OF AMERICA, INC.
      • Backrest cover surface side
        G14612662Courtesy of SUBARU OF AMERICA, INC.
        (a) Tape
      • Backrest cover back side
        G14612237Courtesy of SUBARU OF AMERICA, INC.
        (a) Plastic fastener
    8. Tighten the fastener at the back side of backrest assembly.
    9. Fasten the plastic fastener at the back side (bottom) of backrest assembly.
      G13201104Courtesy of SUBARU OF AMERICA, INC.
  3. Assemble remaining parts in the reverse order of disassemble.
    NOTE: Check the shape and front/rear directions before assembling the headrest bushing.
    G16541027Courtesy of SUBARU OF AMERICA, INC.
    (A) Front
    • Install the backrest assembly and seat cushion assembly in the following procedure.
      1. Temporarily tighten the four reclining hinge bolts.
      2. Tighten the reclining hinge bolts in order from (1) - (4) two or three times, until they reach the specified torque.
      G13226789Courtesy of SUBARU OF AMERICA, INC.

      Tightening torque: 

      52 N.m (5.3 kgf-m, 38.4 ft-lb) 

    • When installing the front seat belt INN, follow the procedures described in the SEAT BELT article. Ref. to SEAT BELT SYSTEM>FRONT SEAT BELT>INSTALLATION .

    Tightening torque: 

    Refer to "COMPONENT" of "General Description" for the tightening torque  . Ref. to SEATS>GENERAL DESCRIPTION>COMPONENT>FRONT SEAT .

  4. If any wrinkles are found after the assembly of the seat cover, finish the seat cover with iron.
    1. Place the wet towel on wrinkles.
      G14612696Courtesy of SUBARU OF AMERICA, INC.
    2. Touch up with warm iron.
      CAUTION: Keep moving the iron, otherwise the seat cover surface can be damaged.
      NOTE: This method is available for genuine leather, synthetic leather, cloth, etc.
      G14612697Courtesy of SUBARU OF AMERICA, INC.
  5. Install connectors located under the front seat. Ref. to SEATS>FRONT SEAT>ASSEMBLY>CONNECTOR & HARNESS .
  6. Install the seat assembly. Ref. to SEATS>FRONT SEAT>INSTALLATION .
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