Tesla Model 3: Gasket - Cover - HV Battery (Remove and Replace)
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. This procedure removes both
types, but installs only the penthouse type gasket.
- Remove the HV battery. See
HV Battery (RWD) (Remove and Install).
Platter Type
- Remove and discard the HV battery cover gasket.
Penthouse Type
- Use IPA wipes to clean the adhesive and residue from the HV battery
cover surface.
Use
a drill fitted with an adhesive eraser wheel to speed clean up.
Install

- Peel the backing off a new HV battery cover gasket, position the long
straight edge to the front of the HV battery, and then install the gasket
onto the HV battery surface around the penthouse
- Install the HV battery. See
HV Battery (RWD) (Remove and Install).
READ NEXT:
Pack Enclosure Leak Tester, HV Battery (1026636-00-A)
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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
DRAFT
Warning:
This procedure was derived from pre-production computer models, and
might not reflect the real-world situation. Warnings and cautions might be
missing. Follow safety requirements and
SEE MORE:
Remove
Remove the mid aero shield panel. See
Panel - Aero Shield - Mid (Remove and Replace).
Release the fir tree clips that attach the coolant hoses to the LH shear
plate.
Remove and discard the HV battery breather from the LH HV battery vent
shroud assembly.
Release the fir t
Remove
Remove the front LH wheel. See Wheel (Remove and
Install).
Remove the front LH wheel arch liner. See Wheel Arch
Liner - Front - LH (Remove and Replace).