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:
The Supplementary Restraint System (SRS) includes airbags, pretensioners, and
other safety-related components. The SRS contains components which could be
potentially hazardous to the technician if not serviced and handled correctly.
Warning: Always follow these precautions and the relevant Service
Remove
Open the front LH door, and fully lower the window.
Remove the front LH door tweeter. See
Tweeter - Front Door - LH (Remove and Replace).
Remove the LH front door puddle light. See
Puddle Light - Front Door - LH (Remove and Replace).
Release the clips that attach the refle