Tesla Model 3 Owners & Service Manuals

Tesla Model 3: Contactor - Positive - HV Battery-Remove

Contactor - Positive - HV Battery (Remove and Replace)

SPECIAL TOOLS

Ratchet, 1/4" Sq Dr, HV Insulated (1057602-00-A)

Ext Bar, Wobble, 1/4" Dr, HV Insulated (1057603-00-A)

Magnet, Flexible, HV Insulated, 18" (1057607-00-A)

Socket, 1/4" Dr, Deep,10 mm,Thin Wall, Insul (1133768-00-A)

Resistance meter, microohm, Hioki RM 3548 (1076927-00-A)

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 0 (1000V) must be worn at all times a high voltage cable, busbar, or fitting is handled. Refer to Tech Note TN-15-92-003, "High Voltage Awareness Care Points" for additional safety information.

Remove

  1. Remove the pyrotechnic battery disconnect from the penthouse. See Pyrotechnic Battery Disconnect (Remove and Replace).
  2. Remove the high voltage controller. See Controller - High Voltage (Remove and Replace).
  3. Remove the 12V DCDC passthrough. See Passthrough - DCDC - 12V (Remove and Replace).

Contactor - Positive - HV Battery-Remove

  1. Disconnect the electrical harness from the power conversion system LV connector and DC bus HV connector, and from the HV battery positive contactor connectors.

Contactor - Positive - HV Battery-Remove

  1. Remove the insulator caps from the HV battery positive contactor.

Contactor - Positive - HV Battery-Remove

  1. Remove and discard the bolt that attaches the HV battery positive contactor to the positive busbar.

Contactor - Positive - HV Battery-Remove

  1. Remove and discard the nut that attaches the HV battery positive contactor to the battery terminal.

Contactor - Positive - HV Battery-Remove

  1. Remove the nuts (x3) that attach the positive HV battery power switch to the penthouse.
  2. Tilt the rear of the HV battery positive contactor up, and then remove the contactor from the penthouse.

    READ NEXT:

     Contactor - Positive - HV Battery-Install

    Install Caution: Replace all patchbolts. Replace all nyloc nuts. Use an IPA wipe to clean the high voltage mating surfaces of the HV battery terminal, positive busbar, and the HV battery posit

     Controller - High Voltage (Remove and Replace)

     Controller - High Voltage- Remove

    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 minimu

    SEE MORE:

     Overhead Console - Rear (Remove and Replace)

    Remove Release the clips (x2) that attach the rear overhead console to the headliner, and then lower the console from the headliner. Caution: To avoid damaging the headliner, do not pry against the headliner. Insert a 90 degree trim tool near the dome light and pull downwards to rele

     Brake Hose - Flexible - Front - LH (Remove and Replace)

      SPECIAL TOOLS Flare nut crowfoot set (1079041-00-A) Remove Caution: Brake fluid dissolves paint. Have clean towels and plenty of water standing by

    © 2019-2024 Copyright www.tmodel3.com