Tesla Model 3 Owners & Service Manuals

Tesla Model 3: Harness - Thermal Beam (Remove and Replace)

Tesla Model 3 2017-2026 Service Manual / Electrical / Harnesses / Harness - Thermal Beam (Remove and Replace)

Harness - Thermal Beam- Remove

  1. Remove the underhood storage unit. See Underhood Storage Unit (Remove and Replace).
  2. Disconnect 12V power. See 12V Power (Disconnect and Connect).

Harness - Thermal Beam- Remove

  1. Release the clips that attach the HVAC plenum outer duct to the HVAC plenum inner duct, and then remove the outer duct.

Harness - Thermal Beam- Remove

  1. Remove the bolt that attaches the thermal beam electrical harness cover to the front body controller module, and then remove the cover.

Harness - Thermal Beam- Remove

  1. Disconnect the thermal beam electrical harness from the front body controller module connector

Harness - Thermal Beam- Remove

  1. Release the clip that attaches the suction/liquid lines to the body near the TXV.

Harness - Thermal Beam- Remove

  1. Remove the bolt that attaches the thermal beam electrical harness ground terminal to the compressor.

Harness - Thermal Beam- Remove

  1. Disconnect the thermal beam electrical harness from the compressor connector.

Harness - Thermal Beam- Remove

  1. Disconnect the thermal beam electrical harness from the high pressure transducer connector.

Harness - Thermal Beam- Remove

  1. Release the clips that attach the thermal beam electrical harness to the compressor and compressor bracket.

Harness - Thermal Beam- Remove

  1. Disconnect the thermal beam electrical harness from the low pressure transducer connector.

Harness - Thermal Beam- Remove

  1. Disconnect the thermal beam electrical harness from the chiller and EXV assembly connector.

Harness - Thermal Beam- Remove

  1. Disconnect the thermal beam electrical harness from the coolant temperature sensor connector.

Harness - Thermal Beam- Remove

  1. Disconnect the thermal beam electrical harness from the 5-way valve actuator connector.

Harness - Thermal Beam- Remove

  1. Disconnect the thermal beam electrical harness from the HV battery coolant pump connector.

Harness - Thermal Beam- Remove

  1. Disconnect the thermal beam electrical harness from the powertrain coolant pump connector.

Harness - Thermal Beam- Remove

  1. Release the clip that attaches the thermal beam electrical harness to the superbottle.

Harness - Thermal Beam- Remove

  1. Release the clip that attaches the thermal beam electrical harness to the chiller and EXV assembly hose, and then remove the electrical harness from the hose.

Harness - Thermal Beam- Remove

  1. Release the clip that attaches the thermal beam electrical harness to the superbottle.

Harness - Thermal Beam- Remove

  1. Release the clip that attaches the thermal beam electrical harness to the suction/liquid lines.

Harness - Thermal Beam- Remove

  1. Disconnect the thermal beam electrical harness from the superbottle level sensor connector.

Harness - Thermal Beam- Remove

  1. Disconnect the thermal beam electrical harness from the powertrain pump to sill hose coolant temperature sensor connector.

Harness - Thermal Beam- Remove

  1. Release the clips that attach the thermal beam electrical harness to the shock tower brace.
  2. Remove the thermal beam electrical harness from the vehicle

Harness - Thermal Beam- Install

Install

Harness - Thermal Beam- Install

  1. Fasten the clips that attach the thermal beam electrical harness to the shock tower brace.
  2. Install the bolt that attaches the thermal beam electrical harness ground terminal to the RH shear wall. Torque 10 Nm

Harness - Thermal Beam- Install

  1. Connect the thermal beam electrical harness to the powertrain pump to sill hose coolant temperature sensor connector.

Harness - Thermal Beam- Install

  1. Connect the thermal beam electrical harness to the superbottle level sensor connector.

Harness - Thermal Beam- Install

  1. Fasten the clip that attaches the thermal beam electrical harness to the suction/liquid lines.

Harness - Thermal Beam- Install

  1. Fasten the clip that attaches the thermal beam electrical harness to the superbottle.

Harness - Thermal Beam- Install

  1. Install the thermal beam electrical harness to the chiller and EXV assembly hose, and then fasten the clip that attaches the electrical harness to the hose.

Harness - Thermal Beam- Install

  1. Fasten the clip that attaches the thermal beam electrical harness to the superbottle.

Harness - Thermal Beam- Install

  1. Connect the thermal beam electrical harness to the powertrain coolant pump connector.
  2. Connect the thermal beam electrical harness to the HV battery coolant pump connector.

Harness - Thermal Beam- Install

Harness - Thermal Beam- Install

  1. Connect the thermal beam electrical harness to the 5-way valve actuator connector.

Harness - Thermal Beam- Install

  1. Connect the thermal beam electrical harness to the coolant temperature sensor connector.

Harness - Thermal Beam- Install

  1. Connect the thermal beam electrical harness to the chiller and EXV assembly connector.

Harness - Thermal Beam- Install

  1. Connect the thermal beam electrical harness to the low pressure transducer connector.

Harness - Thermal Beam- Install

  1. Fasten the clips that attach the thermal beam electrical harness to the compressor and compressor bracket.

Harness - Thermal Beam- Install

  1. Connect the thermal beam electrical harness to the high pressure transducer connector.

Harness - Thermal Beam- Install

  1. Connect the thermal beam electrical harness to the compressor connector.

Harness - Thermal Beam- Install

  1. Install the bolt that attaches the thermal beam electrical harness ground terminal to the compressor. Torque 6 Nm

Harness - Thermal Beam- Install

  1. Fasten the clip that attaches the suction/liquid lines to the body near the TXV.

Harness - Thermal Beam- Install

  1. Connect the thermal beam electrical harness to the front body controller module connector.

Harness - Thermal Beam- Install

  1. Install the thermal beam electrical harness cover to the front body controller module, and then install the bolt that attaches the cover to the module. Torque 6 Nm

Harness - Thermal Beam- Install

  1. Install the HVAC plenum outer duct to the HVAC plenum inner duct, and then fasten the clips that attach the outer duct to the inner duct.
  2. Connect 12V power. See 12V Power (Disconnect and Connect).
  3. Install the underhood storage unit. See Underhood Storage Unit (Remove and Replace).

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