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Home/Cars/Tesla/Model 3/Highland (2024-present)/why does my Tesla Model 3 Highland (2024-present) have a burning smell after driving?

why does my Tesla Model 3 Highland (2024-present) have a burning smell after driving?

Tesla Model 3 Highland (2024-present)

Severity: highDifficulty: medium2-4 hours
3 min read
478 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Discover the causes of burning smell after driving your Tesla Model 3 Highland. Follow our diagnostic steps and solutions for safe repairs.

Component
Electrical
Repair Time
2-4 hours

Safety Warnings

  • ⚠Disconnect the battery before working on electrical systems.
  • ⚠Allow the vehicle to cool before inspecting brakes or electric motor.

Symptoms

  • •Burning smell noticeable after driving
  • •Possible overheating of brakes or electric motor
  • •Warning lights on the dashboard (if applicable)
  • •Reduced braking performance
  • •Unusual noises from the wheels or electric motor

Diagnostic Steps

  1. 1Inspect the brake system for signs of excessive wear or overheating.
  2. 2Check for any warning lights or error messages using the vehicle's diagnostic interface.
  3. 3Inspect the electric motor and associated wiring for signs of overheating or damage.
  4. 4Examine the battery pack for any signs of thermal runaway or damage.
  5. 5Look for fluid leaks or burnt components under the vehicle.

Solution

Solution

1. Preparation

  • Tools Needed: OBD-II scanner, multimeter, basic hand tools (socket set, wrenches).
  • Ensure the vehicle is parked on a level surface and the battery is disconnected before starting any work.

2. Inspect Brake System

  • Sub-steps:
    1. Remove the wheel covers or hubcaps if applicable.
    2. Use a jack to lift the vehicle and secure it with jack stands.
    3. Inspect brake pads for excessive wear and replace if necessary.
    4. Check brake rotors for warping or glazing; replace if damaged.
    5. Ensure brake calipers are functioning correctly and not sticking.

3. Check Electric Motor and Wiring

  • Sub-steps:
    1. Access the electric motor compartment as per the service manual.
    2. Inspect all wiring connections for signs of wear or damage.
    3. Use a multimeter to test for continuity and proper voltage.
    4. Look for signs of overheating, such as melted insulation.
    5. Replace any damaged wiring or components.

4. Examine Battery Pack

  • Sub-steps:
    1. Ensure the vehicle is powered down and disconnected from charging.
    2. Inspect the battery casing for any signs of swelling, leaks, or burns.
    3. Use thermal imaging to check for hot spots on the battery pack.
    4. If any issues are found, consult with Tesla service for battery replacement or repair.

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

  • OBD-II scanner
  • Multimeter
  • Basic hand tools (socket set, wrenches)
  • Jack
  • Jack stands

Parts Required

  • Brake pads (if worn)
  • Brake rotors (if damaged)
  • Electric motor wiring (if damaged)

Additional Information

Component

Electrical

Repair Time

2-4 hours

Difficulty

medium

Severity

high

Tools

5 items

Parts

3 items

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