my Tesla Model 3 has a strange chemical smell, what should I check?

Solution

1. Preparation

• Ensure the vehicle is parked in a well-ventilated area.
• Disconnect the vehicle from any charging source.
• Gather necessary tools and parts.

2. Inspect Battery Pack

• Tools Required: Socket set, torque wrench.
• Visually inspect the battery pack for physical damage, corrosion, or signs of leakage.
• Check the battery terminals for tightness and corrosion.
• If any damage is identified, proceed with removal.

3. Remove Battery Pack (if necessary)

• Tools Required: Jack and jack stands, ratchet set.
• Safely lift the vehicle and support it with jack stands.
• Disconnect all electrical connectors from the battery pack.
• Unbolt the battery pack from its mounting points and carefully remove it from the vehicle.

4. Inspect and Clean

• Inspect the battery housing for residue or chemical traces.
• Clean any corrosion on terminals using a mixture of baking soda and water (ensure it’s dry before reconnecting).
• If there is a chemical leak, replace the defective battery module as necessary.

5. Reinstall Battery Pack

• Carefully place the battery pack back into position.
• Reconnect electrical connectors securely.
• Torque the mounting bolts to the manufacturer’s specifications.

6. Final Checks

• Reconnect the vehicle to its charging source.
• Power on the vehicle and check for any warning lights.
• Perform a road test to ensure normal operation.