Tesla Model 3 Owners & Service Manuals

Tesla Model 3: Fuse - Cabin Heater - HV Battery- Remove

Tesla Model 3 2017-2025 Service Manual / Battery System / HV Battery Electrical Components / Fuse - Cabin Heater - HV Battery (Remove and Replace) / Fuse - Cabin Heater - HV Battery- Remove

Fuse - Cabin Heater - 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)

Skt, 1/4" Sq Dr, 8mm, HV Insulated (1057604-00-A)

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

Asy, Service Cover, Penthouse, Model 3 (1127845-00-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).

Fuse - Cabin Heater - HV Battery- Remove

  1. Raise the high voltage controller, release the clips that attach the fuse access insulator to the RH penthouse bus cover, and remove the insulator.

Fuse - Cabin Heater - HV Battery- Remove

  1. Remove and discard the nuts that attach the PTC heater fuse to the RH penthouse bus and remove the fuse. 

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     Fuse - Cabin Heater - HV Battery- Install

    Install Install the PTC heater fuse to the RH penthouse bus, and then install new nuts to attach the fuse to the bus. Torque 2.5 Nm Generic Measurement - Actual busbars and fasteners might

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     Fuse - Power Conversion System - HV Battery- Remove

    SPECIAL TOOLS Ratchet, 1/4" Sq Dr, HV Insulated (1057602-00-A) Ext Bar, Wobble, 1/4" Dr, HV Insulated (1057603-00-A) Skt, 1/4" Sq Dr, 8mm, HV Insulated (1057604-00-A) Magnet, Flexible, HV Insulated,

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