my Tesla Model S Original (2012-2020) is leaking water inside what's wrong

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

565 words

Problem Statement

Learn how to diagnose and fix water leakage in Tesla Model S (2012-2020). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Body/Interior

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery if working near electrical components.
•Ensure the vehicle is parked safely and secured before working under it.

Symptoms

•Water accumulation on the floor mats or carpet
•Damp or moldy smell in the interior
•Water stains on upholstery or ceiling
•Wet electrical components or wiring
•Fogged-up windows or windshield

Diagnostic Steps

1
Inspect door seals for wear, damage, or improper seating.
2
Check the sunroof drains for blockages or improper routing.
3
Examine the windshield for cracks or improper sealing.
4
Look for leaks around the HVAC system, including drain hoses.
5
Inspect the trunk and rear hatch seals for degradation.
6
Test the battery compartment for signs of moisture intrusion.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

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

•Flashlight
•Trim removal tool
•Vacuum
•Towels
•Cleaning supplies
•Compressed air or cleaning tool
•Automotive sealant

Parts Required

•Replacement door seals
•Replacement trunk seals (if damaged)

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Diagnostic Steps

1
Inspect door seals for wear, damage, or improper seating.
2
Check the sunroof drains for blockages or improper routing.
3
Examine the windshield for cracks or improper sealing.
4
Look for leaks around the HVAC system, including drain hoses.
5
Inspect the trunk and rear hatch seals for degradation.
6
Test the battery compartment for signs of moisture intrusion.

Solution

1. Preparation

Gather tools: flashlight, trim removal tool, vacuum, towels, and cleaning supplies.
Ensure the vehicle is parked on a level surface and the interior is clear of valuables.

2. Inspect and Replace Door Seals

Sub-steps:
- Remove any trim that covers the door seals.
- Carefully pull away the old seals and inspect the area for corrosion or debris.
- Clean the seal groove and apply new adhesive if necessary.
- Install new door seals, ensuring they fit snugly.
Tools Required: Trim removal tool, adhesive (if needed).

3. Clear Sunroof Drains

Sub-steps:
- Open the sunroof completely.
- Use compressed air or a flexible cleaning tool to clear the drains located at the corners of the sunroof frame.
- Test the drains by pouring a small amount of water to ensure it flows freely.
Tools Required: Compressed air or cleaning tool.

4. Repair Windshield Sealing

Sub-steps:
- Inspect the windshield for visible cracks or gaps in the seal.
- Remove any trim surrounding the windshield if necessary.
- Apply a suitable automotive sealant around the edges of the windshield.
- Reinstall any trim once the sealant has cured.
Tools Required: Automotive sealant, trim removal tool.

5. Check HVAC Drain Hoses

Sub-steps:
- Locate the HVAC drain hoses under the vehicle.
- Inspect for blockages and clear any debris.
- Ensure hoses are properly connected and not leaking.
Tools Required: None specified.

6. Examine Trunk Seals

Sub-steps:
- Inspect the trunk for any signs of water ingress.
- Check the trunk seal for wear or damage and replace if necessary.
- Ensure all connections are tight and secure.
Tools Required: None specified.