Tesla Model 3: Cooling System (Check and Fill)

Remove
- Remove the rear underhood apron. See Underhood Apron - Rear (Remove and
Replace).
- Remove the cabin intake duct. See Duct - Cabin Intake (Remove and
Replace).
- Remove the outer HVAC plenum duct. See Duct - HVAC Plenum - Outer
(Remove and Replace).
Procedure
- Connect a laptop with Toolbox to the vehicle.
- Type "thermal" into the search field.
Note: Make sure "Actions" is selected if not already.
- Click the play button next to "PROC_VCFRONT_X_THERMAL-FILL-DRAIN", and
then select Run.

- Remove the cap from the superbottle reservoir.
- Add coolant to the superbottle, so that the liquid level is
approximately 6mm (0.25 in) above the MAX line.
- Type"vcfront" into the search field.
- Click the play button next to "TEST-RESET_VCFRONT", and then select Run.
- Click the play button next to "TEST_VCFRONT_X_THERMAL-COOLANT-AIR-PURGE",
and then select Run.
Note: Make sure that the drive rails are off. Turning on the drive
rail will stop the routine.
Note: The test lasts approximately 10 minutes.
Note: Test will vary speeds from 3,500 to 6,500 RPM, viewable under
the PT Thermal tab.
Note: If speeds hover at around 7,000 RPM, perform this procedure
again.
- Inspect the coolant level in the superbottle, and add coolant so that
the liquid level is approximately 6mm (0.25 in) above the MAX line.
- Install the cap on the superbottle reservoir.
Install
Installation procedure is the reverse of removal.
READ NEXT:
Cooling System - Remove
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 (Remov
SEE MORE:
Remove
Remove the LH instrument panel end cap. See
End Cap - Instrument Panel - LH (Remove and Replace).
Release the clips that attach the LH air wave end cap to the main
instrument panel decor trim, and then remove the cap from the vehicle.
Install
Installation procedure is the re
Remove
Remove the 2nd row lower seat cushion. See
Seat Cushion - Lower - 2nd Row (Remove and Replace).
Lift the HV cap straight up from over the DC input connector on the LH
side of the penthouse, and then remove the HV cap from the vehicle.
Install
Installation procedure is the reverse