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Front Seat: Overhaul

NOTE:
  • Installation is in the reverse order of removal. But, the installation is indicated only when it has a point.
  • In the RH side, work in the same procedure as in the LH side.
  • See the components' drawing of front seat in COMPONENTS .
  1. SEPARATE BATTERY NEGATIVE TERMINAL 
  2. REMOVE FRONT SEAT ASSEMBLY LH 
    1. Using a screwdriver, pry out the 4 seat track covers.
      NOTE: Tape the screwdriver tip before use.
    2. Remove the 4 bolts.
    3. Disconnect the connectors.
  3. REMOVE FRONT SEAT INNER BELT ASSY LH 
    1. Remove the nut and the front seat inner belt assembly then disconnect the clamp.
  4. REMOVE RECLINING POWER SEAT SWITCH KNOB 
  5. REMOVE SLIDE & VERTICAL POWER SEAT SWITCH KNOB 
  6. REMOVE RECLINING ADJUSTER RELEASE HANDLE LH 
  7. REMOVE FRONT SEAT CUSHION SHIELD INNER NO. 1 LH 
    1. Remove the screws.
    2. Using a screwdriver, pry out the front seat cushion shield inner No. 1.
    NOTE: Tape the screwdriver tip before use.
    Fig 1: Removing Front Seat Cushion Inner Shield
    G03387773Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE RECLINING ADJUSTER COVER LH 
    1. Remove the 4 screws and reclining adjuster cover then disconnect the connectors.
    Fig 2: Removing Reclining Adjuster Cover LH
    G03387774Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE LUMBAR FRONT POWER SEAT SWITCH 
    1. Remove the 2 screws and lumbar front power seat switch.
    Fig 3: Removing Lumbar Front Power Seat Switch
    G03387775Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE FRONT SEAT CUSHION SHIELD INNER LH 
    1. Remove the 3 screws and front seat cushion shield inner.
    Fig 4: Removing Front Seat Cushion Shield Inner
    G03387776Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. REMOVE FRONT SEAT BACK BOARD SUB-ASSY LH 
    1. Using a screwdriver, remove the reclining remote control lever knob.
      NOTE: Tape the screwdriver tip before use.
    2. Remove the 2 screws.
    3. Remove the front seat back board as shown in the illustration.
    Fig 5: Removing Front Seat Back Board
    G03387777Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE FRONT SEAT CUSHION ASSY 
    1. Remove the 4 bolts and the front seat cushion assembly.
  13. REMOVE SEPARATE TYPE FRONT SEAT BACK ASSY 
    1. Remove the hog rings.
    2. Disconnect the connectors and disengage the clamps.
    3. Remove the 4 bolts and the seat back assembly.
    Fig 6: Removing Front Seat Back Assy
    G03387778Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REMOVE FRONT SEAT HEADREST ASSY 
  15. REMOVE FRONT SEAT HEADREST SUPPORT 
  16. REMOVE FRONT SEAT BACK BOARD 
    1. Remove the 4 bolts and front seat back board.
    Fig 7: Removing Front Seat Back Board
    G03387779Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. REMOVE FRONT SEAT BACK SPRING ASSY 
    1. Remove the hog rings and the front seat back spring assembly from the front seat back cover with pad.
    2. Remove the 2 nuts and side airbag.
  18. REMOVE SEPARATE TYPE FRONT SEAT BACK COVER 
    1. Remove the hog rings and front seat back cover from the front seat back pad.
  19. REMOVE FRONT POWER SEAT SWITCH LH 
    1. Disconnect the connector.
    2. Remove the 3 screws and front power seat switch.
  20. REMOVE RECLINING ADJUSTER INSIDE COVER RH 
    1. Remove the 2 screws and reclining inside cover.
  21. REMOVE RECLINING ADJUSTER INSIDE COVER LH 
  22. REMOVE SPRING ASSY, FR SEAT CUSHION, LH 
    1. Remove the hog rings and the front seat cushion spring assembly.
  23. REMOVE SEPARATE TYPE FRONT SEAT CUSHION COVER 
    1. Remove the hog rings and front seat cushion cover from the front seat cushion pad.
  24. REMOVE POWER SEAT MOTOR ASSY 
    1. Remove the 6 screws and the 3 power seat motor assemblies.
  25. INSTALL SEPARATE TYPE FRONT SEAT CUSHION COVER 
    1. Install the seat cushion cover to the seat cushion pad with new hog rings.
    2. Install the seat cushion cover with pad to the seat cushion spring assembly with new hog rings.
      Fig 8: Using Hog Rings To Secure Seat Cushion Cover
      G03387780Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    NOTE:
    • Do not damage the seat cushion cover nor make it dirty.
    • When installing the hog rings, take care to prevent wrinkles as much as possible.
  26. INSTALL FRONT SEAT CUSHION ASSY 
    1. Install the front seat cushion spring assembly with the 4 bolts.

      Torque: 21 N.m (214 kgf.cm, 15 ft.lbf) 

  27. INSTALL SEPARATE TYPE FRONT SEAT BACK COVER 
    1. Install the seat back cover to the seat cushion pad with new hog rings.
    2. Install the side air bag with the 2 bolts.

      Torque: 6.0 N.m (61 kgf.cm, 53 in.lbf) 

    3. Install the seat back cover with pad to the seat back spring assembly with new hog rings.
      Fig 9: Using Hog Rings To Secure Seat Seat Back Cover
      G03387781Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    NOTE:
    • Do not damage the seat back cover nor make it dirty.
    • When installing the hog rings, take care to prevent wrinkles as much as possible.
  28. INSTALL SEPARATE TYPE FRONT SEAT BACK ASSY 
    1. Install the front seat back assembly with the 4 bolts.

      Torque: 43 N.m (439 kgf.cm, 32 ft.lbf) 

    2. Install the hog rings and turn down the seat back cover.
  29. INSTALL FRONT SEAT INNER BELT ASSY LH 
    1. Install the front seat inner belt with the nut.

      Torque: 42 N.m (428 kgf.cm, 30 ft.lbf) 

    2. Connect the clamp.
  30. INSTALL FRONT SEAT ASSEMBLY LH 
    1. Install the front seat.
      NOTE: Be careful not to damage the body.
    2. Connect the connector.
    3. Install the 4 bolts.

      Torque: 37 N.m (377 kgf.cm, 27 ft.lbf) 

    4. Install the 4 seat track covers.