my Ford Explorer has a burning smell when driving what's causing it

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

601 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 Ford Explorer. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Engine

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow engine to cool before draining oil.
•Use jack stands for safety when working under the vehicle.
•Ensure the vehicle is securely supported while working underneath.

Symptoms

•Burning smell coming from the engine bay or undercarriage
•Possible smoke visible from the engine area
•Overheating engine temperature gauge
•Unusual noises from the engine or transmission
•Decreased performance or power loss
•Fluid leaks under the vehicle

Diagnostic Steps

1
Inspect the engine bay for any visible signs of burnt wiring or components.
2
Check the engine oil level and condition; look for signs of burning or contamination.
3
Use an OBD-II scanner to check for any stored error codes related to engine or transmission.
4
Examine the brakes for signs of overheating or burned brake pads, especially if the smell is more pronounced when braking.
5
Inspect the transmission fluid level and condition; look for burning smell or discoloration.
6
Look for any fluid leaks under the vehicle that may be dripping onto hot components.

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

•Wire strippers
•Electrical tape
•Soldering kit
•Oil filter wrench
•Socket set
•Oil drain pan
•Jack and jack stands
•Lug wrench
•Brake caliper tool
•Transmission fluid pump
•OBD-II scanner

Parts Required

•Engine oil
•Oil filter
•Brake pads (if worn)
•Transmission fluid
•Transmission filter (if applicable)

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Diagnostic Steps

1
Inspect the engine bay for any visible signs of burnt wiring or components.
2
Check the engine oil level and condition; look for signs of burning or contamination.
3
Use an OBD-II scanner to check for any stored error codes related to engine or transmission.
4
Examine the brakes for signs of overheating or burned brake pads, especially if the smell is more pronounced when braking.
5
Inspect the transmission fluid level and condition; look for burning smell or discoloration.
6
Look for any fluid leaks under the vehicle that may be dripping onto hot components.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a flat surface and engine is cool.
Disconnect the negative battery terminal to prevent electrical shorts.

2. Inspect Electrical Components

Sub-steps:
1. Visually inspect all wiring and connectors in the engine bay for signs of melting or damage.
2. Repair or replace any damaged wiring or connectors.
Tools Required: Wire strippers, electrical tape, or soldering kit.

3. Change Engine Oil

Sub-steps:
1. Drain the old engine oil using a socket set and remove the oil drain plug.
2. Replace the oil filter with a new one.
3. Refill the engine with fresh oil according to the manufacturer's specifications.
Tools Required: Oil filter wrench, socket set, oil drain pan.
Safety Warnings: Allow the engine to cool before draining oil.

4. Brake Inspection and Replacement (if necessary)

Sub-steps:
1. Remove the wheel to access the brake assembly.
2. Inspect brake pads for wear; replace if they appear burned or worn beyond specifications.
3. Check the brake rotor for signs of overheating; resurface or replace if necessary.
Tools Required: Jack and jack stands, lug wrench, brake caliper tool.
Safety Warnings: Use jack stands for safety when working under the vehicle.

5. Transmission Fluid Change

Sub-steps:
1. Drain the old transmission fluid by removing the transmission drain plug.
2. Replace the transmission filter if applicable.
3. Refill with new transmission fluid as specified in the owner’s manual.
Tools Required: Socket set, transmission fluid pump.
Safety Warnings: Ensure the vehicle is securely supported while working underneath.