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 center console lower rear panel. See
Panel - Lower Rear - Center Console (Remove and Replace).
Remove the center console air vent panel. See
Panel - Air Vent - Center Console (Remove and Replace).
Remove the bolts (x2) and release the clips (x6) that attach the center
Caution:
Vehicles built before March 25th, 2019 have 1st generation
front subframes. Vehicles built on March 25th, 2019 and
after have 2nd generation front subframes. 1st generation
subframes require special M8 bolts to