Tesla Model 3: Flood Ports - 2nd Generation (Remove and Replace)
Flood Ports - 2nd Generation (Remove and Replace) - Remove

Remove
- Connect a laptop with Toolbox 3 to the vehicle.
- In Toolbox, click in the Search field, and then click Tools.
- From the Tools menu, click Active Alerts.
- Click Read Alerts and check for a BMS_a123, BMS_a151, or a BMS_a035
alert
- If:
- Any of the alerts are present - Investigate and correct the low
isolation condition before continuing with this procedure
- None of the alerts are present - Continue to the next step.
- Disconnect the laptop from the vehicle.
- Perform the vehicle electrical isolation procedure. See
Vehicle Electrical Isolation Procedure.
- Remove the rear HV battery skid plate. See
Skid Plate - HV Battery - Rear (Remove and Replace).
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- Release the clips that attach the HV battery coolant hoses to the LH
shear plate.
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- Release the clips that attach the HV battery coolant hoses to the RH
shear plate.

- Remove the LH 2nd generation flood port from the LH underside of the HV
battery penthouse.
Note: Twist the flood port while pulling down.
- Repeat step
11 to remove the RH 2nd generation flood port from the RH underside of
the HV battery penthouse.
Flood Ports - 2nd Generation (Remove and Replace) - Install
Install
- Use an IPA wipe to clean the area around the openings where the flood
ports were removed.

- Install a 2nd generation flood port into the opening at the LH underside
of the HV battery penthouse.
Note: Press up firmly to fully seat the flood port and fasten the
clips (x8) internally.
- Repeat step
2 to install a 2nd generation flood port into the RH underside of the HV
battery penthouse.
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- Fasten the clips that attach the HV battery coolant hoses to the RH
shear plate.
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- Fasten the clips that attach the HV battery coolant hoses to the LH
shear plate.
- Check that the HV connections at the rear of the HV battery are tight
and secure.
- Install the rear HV battery skid plate. See
Skid Plate - HV Battery - Rear (Remove and Replace).
- Perform a penthouse air leak test. See
Penthouse Air Leak Test.
READ NEXT:
Procedure
Note: This procedure destructively removes the 1st generation flood
ports and installs 2nd generation flood ports.
Connect a laptop with Toolbox 3 to the vehicle.
In Toolbox, click in
SEE MORE:
Voice commands are designed to understand
natural requests. You can use voice commands
to:
Call a contact.
Navigate to a location.
Listen to Internet music.
Control various aspects of Model 3.
To initiate a voice command, tap
the
microphone button on the
touchscreen. When you hear
Car Computer - Remove
SPECIAL TOOLS
Plug,Car Computer Fluid Port (1119171-00-A)
Kit, Battery Coolant Drain & Fill (1065131-00-A)
Kit, Computer Purge Adapters, Model 3 (1473522-00-A)
Kit, Svc Plug, Cooling Hose, Model 3 (1135762-00-A)
Remove
If "Tow Mode" is active, then disable "Tow Mode."