Tesla Model 3: Contactor - Positive - 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)
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
- Remove the pyrotechnic battery disconnect from the penthouse. See
Pyrotechnic Battery Disconnect (Remove and Replace).
- Remove the high voltage controller. See
Controller - High Voltage (Remove and Replace).
- Remove the 12V DCDC passthrough. See
Passthrough - DCDC - 12V (Remove and Replace).
- Disconnect the electrical harness from the power conversion system LV
connector and DC bus HV connector, and from the HV battery positive
contactor connectors.
- Remove the insulator caps from the HV battery positive contactor.
- Remove and discard the bolt that attaches the HV battery positive
contactor to the positive busbar.
- Remove and discard the nut that attaches the HV battery positive
contactor to the battery terminal.
- Remove the nuts (x3) that attach the positive HV battery power switch to
the penthouse.
- Tilt the rear of the HV battery positive contactor up, and then remove
the contactor from the penthouse.
READ NEXT:
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
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:
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
SPECIAL TOOLS
Flare nut crowfoot set (1079041-00-A)
Remove
Caution:
Brake fluid dissolves paint. Have clean towels and plenty of
water standing by