Tesla Model 3 Owners & Service Manuals

Tesla Model 3: Pretensioners

Tesla Model 3 2017-2025 Service Manual / Safety and Restraint / Pretensioners

Pretensioner - Outboard Lap - 1st Row - LH (Remove and Replace)

Pretensioner - Outboard Lap - 1st Row - LH (Remove and Replace)

Note: This procedure was formulated using a release candidate or production model. Follow safety requirements and use extreme caution when working on or near high-voltage systems and components

Remove

  1. Remove the 2nd row lower seat cushion. See Seat Cushion - Lower - 2nd Row (Remove and Replace).
  2. Remove the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
  3. Disconnect 12V power. See 12V Power (Disconnect and Connect).
  4. Remove the driver seat outer side cover. See Cover - Outer Side - Driver Seat (Remove and Install).

Pretensioner - Outboard Lap - 1st Row - LH (Remove and Replace)

  1. Disconnect the electrical connector from the pretensioner.

Pretensioner - Outboard Lap - 1st Row - LH (Remove and Replace)

  1. Remove the bolt that attaches the pretensioner to the seat track. Torque 40 Nm

Note: The bolt is attached to the pretensioner with a metal clip. The pretensioner and bolt must be replaced as an assembly.

  1. Remove the 1st row outboard lap pretensioner from the seat track.

Install

Pretensioner - Outboard Lap - 1st Row - LH (Remove and Replace)

  1. Install the new pretensioner and bolt assembly to the seat track, and then tighten the bolt that attaches the pretensioner to the seat track. Torque 40 Nm

Note: Align the pretensioner guide pin to the seat track

Pretensioner - Outboard Lap - 1st Row - LH (Remove and Replace)

  1. Connect the pretensioner electrical connector.
  2. Install the driver seat outer side cover. See Cover - Outer Side - Driver Seat (Remove and Install).
  3. Reconnect 12V power. See 12V Power (Disconnect and Connect).
  4. Install the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
  5. Install the 2nd row lower seat cushion. See Seat Cushion - Lower - 2nd Row (Remove and Replace).

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     Sensors

     Sensor - Airbag - B-Pillar - LH (Remove and Replace)

    Remove Remove the LH instrument panel end cap. See End Cap - Instrument Panel - LH (Remove and Replace). Remove the LH middle A-pillar trim. See Trim - A-Pillar - Middle - LH (Remove and Repl

     Sensor - Airbag - C-Pillar - LH (Remove and Replace)

    Remove Open all doors. Lower all windows. Remove the 2nd row lower seat cushion. See Seat Cushion - Lower - 2nd Row (Remove and Replace). Remove the rear underhood apron. See Underhood Apron

    SEE MORE:

     Module - Body Controller - LH (Remove and Replace)

    Module - Body Controller - LH - Remove Remove Remove the 2nd row lower seat cushion. See Seat Cushion - Lower - 2nd Row (Remove and Replace). Remove the rear underhood apron. See Underhood Apron - Rear (Remove and Replace). Disconnect 12V power. See 12V Power (Disconnect and Connect). Rem

     Vent Assembly - HV Battery - LH (Remove and Replace)

    Vent Assembly - HV Battery - LH- Remove Remove Use Toolbox to put the vehicle into Factory Mode. Invoke diagnostics on the touchscreen. Inspect the Notifications for either a BMS_a123 or a BMS_W123 alert. If: Either alert is present - Contact Service Engineering. Do not perform this proced

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