why does my Ford Explorer have a burning smell

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

555 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 symptoms, diagnostic steps, 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 the engine to cool before opening the hood.

Symptoms

•Burning smell, possibly resembling oil or rubber
•Smoke coming from under the hood or underneath the vehicle
•Engine overheating or temperature gauge indicating high temperatures
•Reduced performance or power loss
•Dashboard warning lights illuminated (e.g., check engine light)

Diagnostic Steps

1
Inspect the engine bay visually for any signs of leaks, particularly oil or coolant.
2
Check the condition of serpentine belts and hoses for signs of wear or damage.
3
Scan the vehicle's onboard computer using an OBD-II scanner for any error codes.
4
Verify fluid levels (engine oil, coolant, transmission fluid) and look for discoloration or burning odor.
5
Check the catalytic converter for signs of overheating or damage.
6
Inspect the brake components for issues such as stuck calipers or worn brake pads.

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
•Socket set
•Screwdriver set
•Torque wrench
•Shop towels

Parts Required

•Engine oil
•Gaskets or seals (if applicable)
•Serpentine belt
•Brake pads (if applicable)
•Catalytic converter (if applicable)

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Diagnostic Steps

1
Inspect the engine bay visually for any signs of leaks, particularly oil or coolant.
2
Check the condition of serpentine belts and hoses for signs of wear or damage.
3
Scan the vehicle's onboard computer using an OBD-II scanner for any error codes.
4
Verify fluid levels (engine oil, coolant, transmission fluid) and look for discoloration or burning odor.
5
Check the catalytic converter for signs of overheating or damage.
6
Inspect the brake components for issues such as stuck calipers or worn brake pads.

Solution

1. Preparation

Tools Required:
- OBD-II scanner
- Socket set
- Screwdriver set
- Torque wrench
- Shop towels
Ensure the vehicle is parked on a level surface and the engine is cool before starting.

2. Addressing Oil Leaks

Sub-steps:
1. Locate the source of the oil leak by cleaning the engine bay with engine degreaser.
2. Tighten any loose oil pan or valve cover bolts as per manufacturer specifications.
3. If needed, replace gaskets or seals that are leaking oil.
4. Refill engine oil if levels are low.

3. Replacing Serpentine Belts

Sub-steps:
1. Loosen the tensioner using a wrench to relieve tension on the serpentine belt.
2. Remove the old belt and inspect for wear or burning.
3. Install a new serpentine belt, ensuring it follows the correct routing diagram.
4. Reapply tension using the tensioner and check for proper alignment.

4. Addressing Brake Issues

Sub-steps:
1. Inspect brake calipers, pads, and rotors for excessive wear or sticking.
2. Replace worn brake pads and ensure calipers are functioning correctly.
3. If calipers are stuck, consider rebuilding or replacing them.

5. Inspecting the Catalytic Converter

Sub-steps:
1. Examine the catalytic converter for signs of damage or overheating (e.g., discolored casing).
2. If damaged, replace the catalytic converter with a new unit and ensure proper exhaust flow.