why does my Tesla Outback have a burning smell when I drive?

Subaru Outback 5th Generation (2015-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

514 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

Learn how to diagnose and fix a burning smell in your Tesla Outback. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Brakes

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the vehicle to cool before inspecting the engine compartment.

Symptoms

•Burning smell, potentially from the engine compartment or wheels
•Possible smoke from under the hood or wheel wells
•Reduced braking performance or spongy brake pedal
•Warning lights on the dashboard (e.g., brake warning light, battery warning light)
•Unusual noises, such as grinding or squeaking from brakes

Diagnostic Steps

1
Inspect the brake components for signs of wear or overheating.
2
Check the battery pack and electric motor for any signs of overheating.
3
Scan the vehicle's computer for error codes using an OBD-II scanner.
4
Examine the wiring and connectors for any signs of damage or short circuits.
5
Look under the vehicle for any fluid leaks or signs of burning fluids.

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

•OBD-II scanner
•Jack and jack stands
•Socket set
•Torque wrench
•Brake cleaner

Parts Required

•Brake pads
•Brake rotors (if necessary)
•Battery coolant (if needed)

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Symptoms

•Burning smell, potentially from the engine compartment or wheels

•Possible smoke from under the hood or wheel wells

•Reduced braking performance or spongy brake pedal

•Warning lights on the dashboard (e.g., brake warning light, battery warning light)

•Unusual noises, such as grinding or squeaking from brakes

Diagnostic Steps

1
Inspect the brake components for signs of wear or overheating.
2
Check the battery pack and electric motor for any signs of overheating.
3
Scan the vehicle's computer for error codes using an OBD-II scanner.
4
Examine the wiring and connectors for any signs of damage or short circuits.
5
Look under the vehicle for any fluid leaks or signs of burning fluids.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and the engine is off.
Disconnect the 12V battery to prevent electrical shock.

2. Inspect and Replace Brake Components

Sub-steps:
1. Remove the wheel covers or lug nut covers, then loosen and remove the lug nuts.
2. Lift the vehicle using a jack and secure it with jack stands.
3. Remove the wheel to access the brake caliper.
4. Inspect the brake pads for excessive wear; replace if the friction material is below 3mm.
5. Check the brake rotors for warping or overheating; replace if necessary.
6. Reassemble all components and securely fasten the lug nuts to the specified torque (typically 80-100 ft-lbs for most vehicles).

3. Check Battery and Motor Cooling System

Sub-steps:
1. Inspect the battery cooling system for debris or blockages in the air intake or cooling ducts.
2. Ensure that the battery coolant level is within the specified range; top off with the recommended coolant if low.
3. Check for any coolant leaks around the battery pack and hoses.

4. Electrical System Inspection

Sub-steps:
1. Visually inspect all wiring harnesses and connectors in the engine compartment for signs of wear, heat damage, or corrosion.
2. Repair or replace any damaged wiring or connectors as needed.
3. Reconnect the 12V battery.