Tesla Model 3: Flood Ports - 2nd Generation (Retrofit)
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 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).
- 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
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- Use a 90º pick to permanently bend open the tabs (x4) of the LH 1st
generation flood port retainer ring.
Note: It is acceptable if the tabs break off.
- Pull the retainer ring of the LH flood port down and off
Twist
the retainer ring as it is pulled down.
- Rotate the LH flood port core 60º and pull it down and out of the
underside of the HV battery penthouse.
- Repeat step
11 through step
13 for the RH 1st generation flood port.
- Use an IPA wipe to clean the area around the openings where the flood
ports were removed.
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- 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
16 for 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:
Remove
Note: There are two types of HV battery cover gaskets: an older
platter perimeter gasket, and a newer penthouse perimeter gasket. These are
referred to as platter type and penthouse type. Thi
Pack Enclosure Leak Tester, HV Battery (1026636-00-A)
Pack Kit, Enclosure, Leak Test, HV Battery, Complete (1140501-00-A)
Kit, Encl Leak Test Adapters, HV Battery (1144879-00-A)
Procedure
Perform th
SPECIAL TOOLS
Pack Enclosure Leak Tester, HV Battery (1026636-00-A)
Pack Kit, Enclosure, Leak Test, HV Battery, Complete (1140501-00-A)
Kit, Encl Leak Test Adapters, HV Battery (1144879-00-A)
Kit, D
SEE MORE:
Remove
Remove the rear LH door trim panel. See Panel - Door Trim - Rear - LH
(Remove and Install).
Remove the LH rear door inner belt seal. See Seal - Inner Belt - Rear
Door - LH (Remove and Replace).
Remove the rear LH door glass. See Glass - Door - LH - Rear (Remove and
Replace).
Rem
Warning: The side impact airbag deployment depends on the front door
sensor's ability to detect a side impact from air pressure. Make sure that there
are no uncovered holes in the front door shells. Additionally, always reinstall
plugs or tape when servicing or inspecting the front doors and th