Tesla Model 3: Cooling System (Check and Fill)

Remove

1. Remove the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
2. Remove the cabin intake duct. See Duct - Cabin Intake (Remove and Replace).
3. Remove the outer HVAC plenum duct. See Duct - HVAC Plenum - Outer (Remove and Replace).

Procedure

1. Connect a laptop with Toolbox to the vehicle.
2. Type "thermal" into the search field.

Note: Make sure "Actions" is selected if not already.

3. Click the play button next to "PROC_VCFRONT_X_THERMAL-FILL-DRAIN", and then select Run.

1. Remove the cap from the superbottle reservoir.
2. Add coolant to the superbottle, so that the liquid level is approximately 6mm (0.25 in) above the MAX line.
3. Type"vcfront" into the search field.
4. Click the play button next to "TEST-RESET_VCFRONT", and then select Run.
5. 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.

9. 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.
10. Install the cap on the superbottle reservoir.

Install

Installation procedure is the reverse of removal.

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