LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Tesla >> 2021 >> Model 3 Performance >> Repair and Diagnosis >> Electrical >> Gauges >> Infotainment System -- Model 3 >> Car Computer >> Car Computer (RHD) - Remove and Install >> Install
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Car Computer (RHD) - Remove and Install: Install

  1. Put on an antistatic wrist strap, and connect the strap to a body ground point.
  2. Move the car computer into position, and then connect the electrical harness connectors (x21) to the car computer.
    CAUTION: Avoid spilling coolant on the electrical connectors.
    NOTE: LHD shown, RHD similar.
    G14748150Courtesy of TESLA, INC.
  3. Install the clips (x4) that attach the electrical harnesses to the car computer.
    NOTE: LHD shown, RHD similar.
    G14748151Courtesy of TESLA, INC.
  4. Slide the car computer into position on the bulkhead.
  5. Install the bolt and nut (torque 3.5 N.m/2.58 ft-lbs) that attach the ground cable to the car computer.
  6. Install new nuts (x4) that attach the car computer to the body (torque 7 N.m/5.16 ft-lbs).
    NOTE: LHD shown, RHD similar.
    G14748152Courtesy of TESLA, INC.
  7. Remove the car computer fluid port plug from the car computer coolant hose fittings, and then connect the coolant hoses to the car computer.
    NOTE: LHD shown, RHD similar.
    G14748153Courtesy of TESLA, INC.
  8. Remove absorbent materials from below car computer coolant hose connection points and from beneath the car computer.
  9. Fold the LH front main carpet back into position, and then install the push clips (x2) that attach the carpet to the vehicle.
  10. Install the LH footwell cover. See COVER - FOOTWELL - PASSENGER (RHD) (REMOVE AND REPLACE) .
  11. Install the LH lower A-pillar trim. See TRIM - A-PILLAR - LOWER - LH (REMOVE AND REPLACE) .
  12. Install the cowl screen panel. See PANEL - COWL SCREEN (REMOVE AND REPLACE) .
  13. Connect 12V power. See 12V/LV POWER (DISCONNECT AND CONNECT) .
  14. Refill the cooling system. See COOLING SYSTEM (CHECK AND FILL) .
  15. Install the underhood storage unit. See UNDERHOOD STORAGE UNIT (REMOVE AND REPLACE) .
  16. Install the outer HVAC plenum duct. See DUCT - HVAC PLENUM - OUTER (REMOVE AND REPLACE) .
  17. Install the cabin intake duct. See DUCT - CABIN INTAKE (REMOVE AND REPLACE) .
  18. Close the hood, doors and windows.