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)
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
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 2nd row lower seat cushion. See
Seat Cushion - Lower - 2nd Row (Remove and Replace).
Remove the rear underhood apron. See
Underhood Apron - Rear (Remove and Replace).
Remove the LH instrument panel end cap. See
End Cap - Instrument Panel - LH (Remove and Replace).
Remove
Remove
Open all doors.
Lower all windows.
Remove the 2nd row lower seat cushion. See Seat Cushion - Lower - 2nd
Row (Remove and Replace).
Remove the rear underhood apron. See Underhood Apron - Rear (Remove and
Replace).
Disconnect 12V power. See 12V Power (Disconnect and Connect).
Remov