why does my Ford Explorer have a burning smell when I drive

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

641 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 the burning smell issue 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

•Ensure the engine is cool before changing the oil.
•Disconnect the battery before working on electrical systems.
•Be cautious of moving parts when the engine is running.

Symptoms

•Burning smell noticeable from the cabin or engine bay
•Smoke or vapor rising from under the hood
•Overheating engine temperature gauge
•Fluid leaks visible on the ground or around the engine
•Diminished performance or unusual noises during acceleration

Diagnostic Steps

1
Inspect the engine bay for signs of fluid leaks or spills, particularly oil or coolant.
2
Check the engine oil level and condition; a low or burnt oil smell may indicate oil degradation.
3
Use an OBD-II scanner to check for any stored error codes that could indicate engine or transmission issues.
4
Examine the brake system for any dragging calipers or worn brake pads, which could generate excessive heat.
5
Inspect the serpentine belt and other drive belts for signs of wear or burning.
6
Look for signs of electrical issues, such as frayed wires or components that may be overheating.

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

•Wrench set
•Screwdriver
•Degreaser
•Oil filter wrench
•Socket set
•Oil catch pan
•Jack and jack stands
•Lug wrench
•Brake tool kit
•Serpentine belt tool
•OBD-II scanner

Parts Required

•Engine oil (appropriate grade)
•Oil filter
•Brake pads (if worn)
•Serpentine belt (if worn)

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Diagnostic Steps

1
Inspect the engine bay for signs of fluid leaks or spills, particularly oil or coolant.
2
Check the engine oil level and condition; a low or burnt oil smell may indicate oil degradation.
3
Use an OBD-II scanner to check for any stored error codes that could indicate engine or transmission issues.
4
Examine the brake system for any dragging calipers or worn brake pads, which could generate excessive heat.
5
Inspect the serpentine belt and other drive belts for signs of wear or burning.
6
Look for signs of electrical issues, such as frayed wires or components that may be overheating.

Solution

1. Preparation

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

2. Inspect and Repair Fluid Leaks

Sub-steps:
- Identify the source of leaks (oil, coolant, transmission fluid).
- Clean the area around the leak with a degreaser.
- Replace any faulty gaskets, seals, or hoses as needed.
Tools Required: Wrench set, screwdriver, degreaser.

3. Change Engine Oil

Sub-steps:
- Remove the oil drain plug and allow old oil to drain completely.
- Replace the oil filter using an oil filter wrench and apply a thin layer of new oil on the new filter gasket.
- Reinstall the drain plug and refill with the appropriate grade of engine oil.
Tools Required: Oil filter wrench, socket set, oil catch pan.
Safety Warnings: Ensure the engine is cool before changing the oil.

4. Inspect and Replace Brake Components (if necessary)

Sub-steps:
- Remove the wheel to access the brake assembly.
- Check brake pads for wear; replace if less than 3mm thick.
- Inspect calipers for proper operation and replace if sticking.
Tools Required: Jack and jack stands, lug wrench, brake tool kit.

5. Inspect and Replace Serpentine Belt

Sub-steps:
- Locate the serpentine belt routing diagram typically found near the radiator or on the engine cover.
- Release tension and remove the old belt.
- Install the new serpentine belt according to the routing diagram.
Tools Required: Serpentine belt tool or a wrench.
Safety Warnings: Be cautious of moving parts when the engine is running.