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Home >> Tesla >> 2018 >> Model 3 Performance >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Seats -- Model 3 >> Front Seat Covers Pads and Trims >> Foam - Backrest - Driver Seat - Remove and Replace >> Install

Foam - Backrest - Driver Seat - Remove and Replace: Install

  1. Position the driver seat seat back trim onto the driver seat.
  2. Install the driver side airbag into the airbag chute, and then insert the airbag chute with the airbag inside through the slot in the seat back foam.
    CAUTION: Make sure that the driver side airbag mounting studs extend out of the holes of the chute.
    CAUTION: Handle the airbag with extreme care when installing it into the airbag chute. The airbag is configured/folded in a specific manner and will need to be replaced if it is dropped, altered or manipulated in any way.
    NOTE: Refer to the following video for proper care when installing the driver side airbag into the airbag pouch, and when installing the pouch through the seat foam.
    multimedia:A supplement to the article is available.
    G14740315Courtesy of TESLA, INC.
  3. Install the clips (x2) that attach the driver seat seat back trim to the seat back foam.
    G14740316Courtesy of TESLA, INC.
  4. Install the strap that attaches the driver seat seat back trim to the seat back foam.
    G14740317Courtesy of TESLA, INC.
  5. Install the driver seat seat back and foam assembly onto the seat back frame.
    NOTE: Start by sliding the foam trim straight onto the seat back frame. Ensure the posts for the headrests engage the seat back foam. Ensure the heater harness and lower trim that engages the frame are pushed through to the back side of the frame.
    G14740318Courtesy of TESLA, INC.
    G14740319Courtesy of TESLA, INC.
    G14740320Courtesy of TESLA, INC.
  6. Fasten the clips (x7) that attach the backrest foam to the seat back frame.
    NOTE: Fasten the clips at the top and work down.
    G14740321Courtesy of TESLA, INC.
  7. Install the seat heater connectors to the seat underside, and then fasten the clips that attach the connectors to the seat underside.
    G14740322Courtesy of TESLA, INC.
  8. Connect the electrical harness to the seat heater connectors.
    G14740323Courtesy of TESLA, INC.
  9. Install the electrical harness to the seat frame, and then fasten the clips that attach the electrical harness to the seat frame.
    G14740324Courtesy of TESLA, INC.
  10. Connect the electrical harness to the lumbar pump connector.
    G14740325Courtesy of TESLA, INC.
  11. Connect the electrical harness to the ECU connector.
    G14740326Courtesy of TESLA, INC.
  12. Connect the electrical harness to the recliner motor connector.
    G14740327Courtesy of TESLA, INC.
  13. Install the side airbag to the seat frame, and then install new nuts to attach the airbag to the frame.

    5.4 N.m (4.0 ft-lbs) +/- 0.9 N.m 

    CAUTION: Use only hand tools to torque the nuts. Do not use impact tools.
    G14740328Courtesy of TESLA, INC.
  14. Install the bolt that attaches the bottom of the lumbar support to the seat assembly.

    5 N.m (3.7 ft-lbs) 

    NOTE: The bolt is located below the lumbar ECU.

    Tip: Use of the following tool(s) is recommended:

    • 10 mm socket
    G14740329Courtesy of TESLA, INC.
  15. Connect the electrical harness to the side airbag connector.
    G14740330Courtesy of TESLA, INC.
  16. Fasten the clips that attach the outboard side of the seat back cover to the seat back frame.
    G14740331Courtesy of TESLA, INC.
  17. Hook the upper flaps that cover the LH and RH lower corners of the seat back frame.
  18. Hook the lower flaps that cover the LH and RH lower corners of the seat back frame.
  19. Install the seat back shell to the seat. See SHELL - SEAT BACK - DRIVER (REMOVE AND REPLACE) .
  20. Install the inboard side shield to the seat, and then fasten the clips that attach the shield to the seat.
    G14740332Courtesy of TESLA, INC.
  21. Install the driver seat outboard side shield. See SIDE SHIELD - OUTBOARD - DRIVER SEAT (REMOVE AND REPLACE) .
  22. Install the driver headrest trim. See TRIM - HEADREST - DRIVER (REMOVE AND REPLACE) .
  23. Install the driver seat. See SEAT ASSEMBLY - 1ST ROW (LH) - REMOVE AND REPLACE .
  24. If servicing the front passenger seat in a North American vehicle:
    1. Remove all objects from the front passenger seat before beginning calibration.
    2. On the vehicle touchscreen, touch Controls (Vehicle Icon) > Software and check the vehicle firmware version. If the vehicle firmware is 2023.2.11 or newer, perform a software reinstall. See Software Reinstall - Touchscreen . If the vehicle firmware is not 2023.2.11 or newer, update the vehicle firmware. See Software Update
    3. Locally connect a laptop with Toolbox 3 to the vehicle. See Toolbox 3 - Connect and Disconnect .
    4. Unlock the vehicle gateway. See GATEWAY (UNLOCK) .
    5. In Toolbox, click on the Actions tab, and then search for "OCS".
    6. Run the PROC_OCS1P_SELF-CALIBRATION routine.
    7. Click on the Actions tab, and then search for "Seat calibration".
    8. Run the PROC_VCRIGHT_SEAT-TEST-CALIBRATE routine.
    9. Disconnect Toolbox and remove the laptop from the vehicle.
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