my Tesla Model S Original (2012-2020) is leaking water in the trunk, what should I do?

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

490 words

Problem Statement

Learn how to diagnose and fix water leakage in the trunk of your 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

•Ensure the vehicle is powered down when working around electrical components.

Symptoms

•Water pooling in the trunk compartment
•Damp or wet carpet in the trunk area
•Musty odor from the trunk
•Visible leaks during rain or car wash
•Moisture on the underside of the trunk lid

Diagnostic Steps

1
Inspect the trunk seals for any visible damage or wear.
2
Check the trunk drainage channels for blockages or debris.
3
Verify the integrity of the tail light seals and connections.
4
Run a water test by pouring water over the trunk area to identify the source of the leak.
5
Examine the rear hatch and its alignment; ensure it closes properly.

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

•Trim removal tool
•Adhesive cleaner
•Flexible brush
•Compressed air
•Screwdriver set
•Silicone sealant

Parts Required

•New weather stripping seal
•Tail light gaskets (if damaged)

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Diagnostic Steps

1
Inspect the trunk seals for any visible damage or wear.
2
Check the trunk drainage channels for blockages or debris.
3
Verify the integrity of the tail light seals and connections.
4
Run a water test by pouring water over the trunk area to identify the source of the leak.
5
Examine the rear hatch and its alignment; ensure it closes properly.

Solution

1. Preparation

Gather tools and materials: towels for cleanup, silicone sealant, and cleaning supplies.
Ensure the vehicle is parked on a flat surface with the trunk emptied.

2. Inspect and Replace Seals

Sub-steps:
- Carefully remove the existing trunk seals using a trim tool.
- Clean the surface area where the new seal will be applied.
- Apply a new weather stripping seal compatible with Tesla Model S.
Tools Required: Trim removal tool, adhesive cleaner.
Safety Warnings: Ensure the vehicle is powered down when working around electrical components.

3. Clean Drainage Channels

Sub-steps:
- Locate the drainage channels at the bottom of the trunk and near the tail lights.
- Use a flexible brush or compressed air to clear any debris or blockages.
- Flush the channels with water to ensure proper drainage.
Tools Required: Flexible brush, compressed air, water source.

4. Inspect and Seal Tail Light Assemblies

Sub-steps:
- Remove the tail light assembly by unscrewing the retaining screws.
- Inspect the gaskets and seals for wear or damage.
- Replace any damaged gaskets and reapply sealant around the edges of the assembly before reinstalling.
Tools Required: Screwdriver set, silicone sealant.
Safety Warnings: Handle electrical connections with care to avoid shorts.