why does my Ford Explorer Fifth Generation (2011-2019) have a burning smell coming from under the ho...

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

537 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 from under the hood of your Ford Explorer (2011-2019). Step-by-step guide with symptoms and repair instructions.

Affected Component

Engine

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Allow the engine to cool completely before working on it.
•Disconnect the battery before performing electrical repairs.

Symptoms

•Burning smell noticeable when the engine is running
•Smoke or steam visible from under the hood
•Dashboard warning lights illuminated (e.g., check engine light)
•Engine overheating (temperature gauge rising)
•Fluid leaks (oil, coolant, or transmission fluid)
•Unusual noises (hissing or sizzling sounds)

Diagnostic Steps

1
Inspect the engine bay for visible signs of leaks, particularly oil and coolant.
2
Check fluid levels for oil, coolant, and transmission fluid to ensure they are within specified ranges.
3
Use an OBD-II scanner to check for any stored error codes that may indicate component failures.
4
Examine wiring and electrical connectors for signs of melting or damage.
5
Inspect the serpentine belt for wear or improper alignment that could cause friction and heat.
6
Run the engine and monitor the temperature gauge for overheating conditions.

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
•Belt tensioner tool
•Torque wrench
•Screwdriver set

Parts Required

•Replacement gaskets (if applicable)
•New serpentine belt
•Replacement hoses (if applicable)
•Electrical connectors (if damaged)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Symptoms

•Burning smell noticeable when the engine is running

•Smoke or steam visible from under the hood

•Dashboard warning lights illuminated (e.g., check engine light)

•Engine overheating (temperature gauge rising)

•Fluid leaks (oil, coolant, or transmission fluid)

•Unusual noises (hissing or sizzling sounds)

Diagnostic Steps

1
Inspect the engine bay for visible signs of leaks, particularly oil and coolant.
2
Check fluid levels for oil, coolant, and transmission fluid to ensure they are within specified ranges.
3
Use an OBD-II scanner to check for any stored error codes that may indicate component failures.
4
Examine wiring and electrical connectors for signs of melting or damage.
5
Inspect the serpentine belt for wear or improper alignment that could cause friction and heat.
6
Run the engine and monitor the temperature gauge for overheating conditions.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the engine is cool before starting.
Disconnect the battery to prevent electrical short circuits.

2. Inspect and Repair Leaks

Sub-steps:
1. Clean the engine bay to identify the source of the leak.
2. If oil is leaking, check the oil pan and gaskets for damage; replace gaskets if necessary.
3. For coolant leaks, inspect hoses and the radiator for cracks; replace any damaged hoses or the radiator as needed.

3. Address Electrical Issues

Sub-steps:
1. Inspect wiring harnesses for signs of damage or insulation wear. Repair or replace as needed.
2. Check connectors for corrosion or burns. Clean or replace damaged connectors.
3. If any electrical component is overheating, consider replacing the component.

4. Replace Serpentine Belt

Sub-steps:
1. Release tension from the serpentine belt using a belt tensioner tool.
2. Remove the old belt and inspect pulleys for damage.
3. Install a new serpentine belt according to the routing diagram.
4. Reapply tension and ensure proper alignment.

5. Reconnect Battery and Test

Reconnect the battery terminals.
Start the engine and monitor for any unusual smells, noises, or warning lights.