Tesla Model S Owners & Service Manuals

Tesla Model S: Hose - Front HVAC - Drain (Dual Motor) (Remove and Replace)

Tesla Model S (2012-2025) Service Manual / Thermal Management / Hose - Front HVAC - Drain (Dual Motor) (Remove and Replace)

Remove

  1. Perform the electrical isolation procedure (refer to procedure).
  2. Remove the RH steering brace:
    1. Remove the bolt that secures the steering brace to the subframe (torque 26 Nm).

      Hose - Front HVAC - Drain (Dual Motor) (Remove and Replace)

    2. On the RH side of the vehicle, release the fir tree clip that secures the coolant hose to the steering brace.

      Hose - Front HVAC - Drain (Dual Motor) (Remove and Replace)

    3. On the RH side of the vehicle, loosen the bolt that secures the steering brace to the base of the side rail (torque 26 Nm), then remove the brace.

      Note: Do not remove the bolt.

      Hose - Front HVAC - Drain (Dual Motor) (Remove and Replace)

    4. Note: This step is for air suspension vehicles only. On the LH side of the vehicle, release the clip that secures the air suspension line to the steering brace.

      Hose - Front HVAC - Drain (Dual Motor) (Remove and Replace)

  3. Release the 2 bolts that secure each fuse box to the front crossmember (torque 5 Nm). Move both fuse boxes behind the front crossmember.
  4. Release the fasteners that secure the air suspension reservoir (torque 2.5 Nm), then set the reservoir aside.
  5. Release the 2 harnesses on the RH side of the DCDC converter.

    Hose - Front HVAC - Drain (Dual Motor) (Remove and Replace)

  6. Remove the RH closeout panel (refer to procedure).
  7. Place a rag underneath the hose to catch any water that is spilled in a later step.
  8. Spray silicone onto the drain hose to ease removal.
  9. Working inside the vehicle, gently twist and pull on the hose to release it from the HVAC unit.
  10. Working in the underhood area, spray silicone onto the hose near the grommet. Caution: Do not spray silicone into one of the exposed DCDC harness connectors.
  11. Pull the hose through the grommet and remove it from the vehicle.
Installation
  1. Spray silicone lubricant onto the grommet and the tip on the straight end of the hose.

    Hose - Front HVAC - Drain (Dual Motor) (Remove and Replace)

  2. Fold the straight end of the hose into a U-shape and slide it into the grommet from the underhood area. Push the hose through the grommet into the vehicle.

    Hose - Front HVAC - Drain (Dual Motor) (Remove and Replace)

  3. Working inside the vehicle, secure the hose onto the HVAC unit.
  4. Reinstall all components that were removed for access.

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