Tesla Model S Owners & Service Manuals

Tesla Model S: Compressor (Dual Motor) (RHD) (Remove and Replace)

Tesla Model S (2012-2024) Service Manual / Thermal Management / Compressor (Dual Motor) (RHD) (Remove and Replace)

Warning: Only technicians who have been trained in High Voltage Awareness are permitted to perform this procedure. Proper personal protective equipment (PPE) and insulating HV gloves with a minimum rating of class 00 (500V) must be worn any time a high voltage cable is handled. Refer to Tech Note TN-15-92-003, "High Voltage Awareness Care Points" for additional safety information.

Removal

  1. Recover refrigerant from the vehicle (refer to procedure). Note: Continue this procedure while the A/C is being recovered.
  2. Remove the 12V battery (refer to procedure).
  3. Remove the 12V battery bracket beam (refer to procedure).
  4. Ensure that the cap on the coolant reservoir is properly secured.
  5. Release the bolts (x4) that secure the coolant reservoir to the front crossmember (torque 6 Nm). Do not remove the reservoir at this time.

    Compressor (Dual Motor) (RHD) (Remove and Replace)

Note: At this point in the procedure, there are still 2 coolant hoses and 1 harness attached to the reservoir.
  1. Carefully lift up the coolant reservoir and disconnect the coolant level sensor harness.

    Compressor (Dual Motor) (RHD) (Remove and Replace)

  2. Pull the reservoir forward into the underhood area.

    Note: The reservoir hose is routed behind the hose that connects to the gearbox. Note the routing of the hoses and ensure that they are routed correctly during reinstallation.

    Compressor (Dual Motor) (RHD) (Remove and Replace)

  3. Gently pull down on the 2 coolant hoses to release the clips (x4) that secure them to the front crossmember.

    Compressor (Dual Motor) (RHD) (Remove and Replace)

  4. Release the clip that secures the coolant reservoir hose to the A/C line.

    Compressor (Dual Motor) (RHD) (Remove and Replace)

  5. On the LH side of the 3-way fitting, clamp the coolant hose that leads to the differential housing. Remove the hose from the front drive unit and and plug the nipple.

    Compressor (Dual Motor) (RHD) (Remove and Replace) Compressor (Dual Motor) (RHD) (Remove and Replace)

Note: Disconnect the A/C machine from the vehicle at this time.
  1. Move the coolant reservoir to the LH side of the vehicle and secure it out of the working area.

    Caution: The reservoir is still secured to 2 coolant hoses.

    Compressor (Dual Motor) (RHD) (Remove and Replace)

  2. Disconnect the compressor connector from the forward junction box (FJB).

    Compressor (Dual Motor) (RHD) (Remove and Replace)

  3. Carefully cut the cable tie that secures the HV cable to the front drive unit. Note: Do not release the fir tree clip.
  4. Remove the nuts (x2) that secure the A/C suction and discharge lines to the compressor (torque 10 Nm). Release the lines and remove the seals. Plug the holes.

    Caution: The holes must be plugged to prevent contamination. Caution: Remove and discard O-rings.

    Compressor (Dual Motor) (RHD) (Remove and Replace)

  5. Disconnect the compressor LV harness.

    Compressor (Dual Motor) (RHD) (Remove and Replace)

  6. Release the ground strap from the A/C compressor bracket (torque 7 Nm).

    Compressor (Dual Motor) (RHD) (Remove and Replace)

  7. Release the edge clip that secures the LV harnesses to the compressor bracket.

    Compressor (Dual Motor) (RHD) (Remove and Replace)

  8. Release the fir tree clip that secures the LV harnesses to the top of the front drive unit.

    Compressor (Dual Motor) (RHD) (Remove and Replace)

  9. Release the bolts (x3) that secure the compressor to the bracket (torque 20 Nm).

    Compressor (Dual Motor) (RHD) (Remove and Replace)

    Caution: Do not spill oil from the compressor when removing it. The amount of oil remaining in the old compressor needs to be measured when the new compressor is installed.

  10. Remove the acoustic cover from the compressor.
Installation Installation procedure is the reverse of removal, except for the following:

Caution: The amount of oil in the new A/C compressor needs to equal the amount of oil from the old one. To do this, use a digital scale to weigh both the old and new A/C compressors. Turn the new one upside down to drain a small amount of fluid, then re-weigh it. Repeat this process until the new A/C compressor weighs the same as the old one.

  • Transfer the acoustic cover to the new compressor.
  • Recharge the AC system.

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