Tesla Model 3 Owners & Service Manuals

Tesla Model 3: Breathers - HV Battery (Remove and Replace)

Tesla Model 3 2017-2026 Service Manual / Battery System / HV Battery Enclosure / Breathers - HV Battery (Remove and Replace)

Remove

  1. Remove the mid aero shield panel. See Panel - Aero Shield - Mid (Remove and Replace).

Breathers - HV Battery (Remove and Replace)

  1. Release the fir tree clips that attach the coolant hoses to the LH shear plate.

Breathers - HV Battery (Remove and Replace)

  1. Remove and discard the HV battery breather from the LH HV battery vent shroud assembly.

Breathers - HV Battery (Remove and Replace)

  1. Release the fir tree clips that attach the coolant hoses to the RH shear plate.

Breathers - HV Battery (Remove and Replace)

  1. Remove and discard the HV battery breather from the RH HV battery vent shroud assembly.

Install

  1. Use an IPA wipe to clean the holes where the breathers will install.

Breathers - HV Battery (Remove and Replace)

  1. Install a new HV battery breather into the LH HV battery vent shroud assembly

Note: Press at the center of the breather, and then press at 3 points forming a triangle pattern on the breather, to make sure that the HV battery breather is fully seated.

  1. Apply sideways pressure on the HV battery breather at several locations to verify that it is attach in the LH HV battery vent shroud.

Breathers - HV Battery (Remove and Replace)

  1. Fasten the fir tree clips that attach the coolant hoses to the LH shear plate.

Breathers - HV Battery (Remove and Replace)

  1. Install a new HV battery breather into the RH HV battery vent shroud assembly

Note: Press at the center of the breather, and then press at 3 points forming a triangle pattern on the breather, to make sure that the HV battery breather is fully seated.

  1. Apply sideways pressure on the HV battery breather at several locations to verify that it is attach in the RH HV battery vent shroud.

Breathers - HV Battery (Remove and Replace)

  1. Fasten the fir tree clips that attach the coolant hoses to the RH shear plate.
  2. Install the mid aero shield panel. See Panel - Aero Shield - Mid (Remove and Replace).

    READ NEXT:

     Cover - HV Probe - HV Battery (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

     Cover - Penthouse (Remove and Replace)

    SPECIAL TOOLS Asy, Service Cover, Penthouse, Model 3 (1127845-00-A) Skt, 1/4in Dr, 5-Lobe Torx Plus External (1059330-00-B) Wrench, Torque + Angle, 1/4" Dr (1076971-02-A) Cap, Logic Conn, Inv, 3DU

    SEE MORE:

     Inspection and Service

    Maintenance Service Maintenance Service and Intervals Note: Use this information to determine the maintenance procedures and intervals that Tesla recommends. Brake Fluid Check Check the condition of the brake fluid every 2 years. Brake Fluid Flush Perform the brake fluid flush when the brake fluid

     Hose - Supply - Powertrain (Remove and Replace)

    Remove Remove the HV battery. See HV Battery (RWD) (Remove and Install). Release the clip and disconnect the powertrain supply hose fitting from the RH underside of the penthouse. Release the clips (x5) that attach the powertrain supply (upper) hose to the RH side of the HV battery,

    © 2019-2026 Copyright www.tmodel3.com