how to check coolant levels in Tesla Model S Original (2012-2020)

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

15-30 minutes

Time

easy

Difficulty

medium

Severity

3 min read

432 words

Problem Statement

Learn how to check coolant levels in Tesla Model S (2012-2020). Step-by-step guide with diagnostic steps, tools required, and safety precautions.

Affected Component

Cooling System

Estimated Time

15-30 minutes

⚠️ Safety Warnings

Important safety information - read before proceeding

•Allow the vehicle to cool before opening the coolant reservoir to avoid burns from hot coolant.

Symptoms

•Coolant warning light illuminated on the dashboard
•Overheating of the vehicle's components
•Reduced performance of the battery or motor
•Unusual noises from the cooling system
•Poor HVAC (heating, ventilation, and air conditioning) performance

Diagnostic Steps

1
Access the vehicle's touchscreen interface to check for any coolant-related notifications.
2
Locate the coolant reservoir in the front trunk (frunk) of the vehicle.
3
Inspect the coolant reservoir for any visible signs of leakage or damage.
4
Check the coolant level against the minimum and maximum markers on the reservoir.
5
If necessary, verify the coolant type by referring to the owner's manual.

Solution

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•Gloves
•Flashlight
•Funnel

Parts Required

•Tesla-approved coolant

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Diagnostic Steps

1
Access the vehicle's touchscreen interface to check for any coolant-related notifications.
2
Locate the coolant reservoir in the front trunk (frunk) of the vehicle.
3
Inspect the coolant reservoir for any visible signs of leakage or damage.
4
Check the coolant level against the minimum and maximum markers on the reservoir.
5
If necessary, verify the coolant type by referring to the owner's manual.

Solution

1. Preparation

Ensure the vehicle is parked on a level surface.
Allow the vehicle to cool down if it has been recently driven to avoid burns from hot coolant.
Gather necessary tools: gloves, a flashlight (if needed).

2. Locate the Coolant Reservoir

Open the front trunk (frunk) by using the interior release or key fob.
Identify the coolant reservoir, typically a translucent tank located near the front of the frunk.

3. Inspect the Coolant Level

Visually check the coolant level through the side of the reservoir.
The coolant should be between the "MIN" (minimum) and "MAX" (maximum) markings on the reservoir.
If the level is below the minimum mark, proceed to the next step.

4. Add Coolant (if necessary)

If the coolant level is low, ensure you have the correct type of coolant (usually Tesla-approved coolant).
Carefully remove the cap from the coolant reservoir to avoid any pressure release.
Using a funnel, slowly add coolant until the level reaches the maximum mark.
Replace and tighten the cap securely.