2018 Tesla Model 3 BaseFACTORY OEM SERVICE PROCEDURE

Shield - Body Controller - Front (Heat Pump) - Remove and Replace: Remove

  1. Open the LH front door.
    G00584780Courtesy of TESLA, INC.
  2. Lower LH front window.
    G00584781Courtesy of TESLA, INC.
  3. Open hood.
    NOTE: Press "Open" button on touchscreen to release latch. Lift lid manually.
    G00584782Courtesy of TESLA, INC.
    G00584783Courtesy of TESLA, INC.
  4. Remove rear apron.
    NOTE: 12x clips. Only store rear apron visible face upwards.
    G00584784Courtesy of TESLA, INC.
    G00584785Courtesy of TESLA, INC.
    G00584786Courtesy of TESLA, INC.
  5. Power off vehicle from center display.
    NOTE: Via Controls > Safety > Power Off, Select Power Off button at warning dialogue box.
    G00584787Courtesy of TESLA, INC.
    G00584788Courtesy of TESLA, INC.
  6. Disconnect 12V negative terminal.
    NOTE: 1x nut, 10mm, 6 Nm, Ensure vehicle is in park, climate control system is off, and vehicle is not charging before disconnecting 12V
    G00584789Courtesy of TESLA, INC.
  7. Disconnect first responder loop.
    NOTE: 1x connector, Release locking tab.
    G00584790Courtesy of TESLA, INC.
  8. Remove vent tube hose
    NOTE: 1x tube adapter
    G00650131Courtesy of TESLA, INC.
  9. Release terminal cover and remove positive terminal.
    NOTE: 2x clips, 1x nut, 10mm, 6 Nm, Do not fully remove positive terminal nut.
    G00650132Courtesy of TESLA, INC.
    G00650133Courtesy of TESLA, INC.
  10. Remove 12v battery upper tie down strap to AC compressor bracket.
    NOTE: 1x bolt, 10mm, 5 Nm, Lift battery tie down strap up and remove it from rear tie down hook strap.
    G00650134Courtesy of TESLA, INC.
  11. Remove battery upper tie down strap.
    NOTE: Lift battery tie down strap up and remove it from the rear tie down hook strap.
    G00650135Courtesy of TESLA, INC.
    G00650136Courtesy of TESLA, INC.
  12. Remove 12V battery from vehicle.
    G00650137Courtesy of TESLA, INC.
  13. Remove rear battery tie down strap.
    NOTE: Rotate forward to disengage.
    G00650138Courtesy of TESLA, INC.
  14. Disconnect thermal sub-harness from front controller.
    NOTE: 1x connector, Depress locking tab and rotate to release.
    G00650139Courtesy of TESLA, INC.
  15. Remove bolts securing front controller shield assembly and remove from vehicle.
    NOTE: 2x bolts, 10mm, 8.5 Nm
    G00650140Courtesy of TESLA, INC.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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