Tesla Model 3: Passthrough - DCDC - 12V- Remove
Tesla Model 3 2017-2024 Service Manual / Battery System / HV Battery Electrical Components / Passthrough - DCDC - 12V (Remove and Replace) / Passthrough - DCDC - 12V- Remove
SPECIAL TOOLS
Skt, 1/4in Dr, 5-Lobe Torx Plus External (1059330-00-B)
Resistance meter, microohm, Hioki RM 3548 (1076927-00-A)
Remove
- Remove the high voltage controller. See Controller - High Voltage (Remove and Replace).
- Remove the nut that attaches the positive terminal of the DCDC harness to the positive DCDC passthrough busbar.
- Remove the nut that attaches the negative terminal of the DCDC harness to the negative DCDC passthrough busbar.
- Release the clip and disconnect the DCDC harness from the power conversion system.
- Remove the bolts that attaches the DCDC ground busbar to the body.
- Remove and discard the nut that attaches the DCDC ground busbar to the
HV battery, and remove the DCDC ground busbar from the vehicle.
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Torque 15 Nm
- Remove the bolts that attach the 12V DCDC passthrough to the penthouse,
and then remove the 12V DCDC passthrough from the penthouse..
READ NEXT:
Passthrough - DCDC - 12V- Install
Install
Use an IPA wipe to clean the mating surfaces of the DCDC passthrough,
and the DCDC harness.
Install the 12V DCDC passthrough into the penthouse, install the bolts
that attach the 1
Power Conversion System- Remove
SPECIAL TOOLS
Connector Removal, Coolant, PCS, M3 (1111868-00-B)
Kit, Svc Plug, Cooling Hose, Model 3 (1135762-00-A)
Tool, Vacuum Cup, 3" x 6" (Qty 2) (1114917-00-A)
Resistance meter, microohm, Hiok
SEE MORE:
Coolant - HV Battery (Drain and Refill)
SPECIAL TOOLS
Drive Unit Pressure Test Fixture (1053600-00-B)
Adapter, Coolant Reservoir Pressure Test (1130942-00-B)
Kit, Coolant Leak Test Adapters, Model 3 (1132185-00-B)
Kit, Coolant Drain & Fill Adapters, M3 (1133843-00-A)
Kit, Svc Plug, Cooling Hose, Model 3 (1135762-00-A)
Kit, Battery C
Service Intervals
Your vehicle should generally be serviced on
an as-needed basis. However, Tesla
recommends the following maintenance items
and intervals, as applicable to your vehicle, to
ensure continued reliability and efficiency of
your Model 3.
Brake fluid health check every 2 years
(replace if neces
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