my Ford Explorer has a burning smell coming from the engine what is it

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

530 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 the engine 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 the engine to cool before opening the radiator or working on engine components

Symptoms

•Burning smell from the engine area
•Engine overheating (temperature gauge rising)
•Smoke rising from the engine compartment
•Fluid leaks under the vehicle
•Check engine light illuminated (potentially)
•Unusual engine noises (such as grinding or whining)

Diagnostic Steps

1
Inspect the engine compartment for any smoke or signs of burning components
2
Check fluid levels of engine oil, coolant, transmission fluid, and power steering fluid
3
Scan for error codes using an OBD-II scanner
4
Inspect for fluid leaks under the vehicle or around engine components
5
Check serpentine belts and hoses for wear, cracks, or signs of burning
6
Test engine temperature using an infrared thermometer

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
•Torque wrench
•Socket set
•Coolant recovery container

Parts Required

•Serpentine belt
•Radiator hoses
•Engine coolant
•Oil filter (if oil leak is present)

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Diagnostic Steps

1
Inspect the engine compartment for any smoke or signs of burning components
2
Check fluid levels of engine oil, coolant, transmission fluid, and power steering fluid
3
Scan for error codes using an OBD-II scanner
4
Inspect for fluid leaks under the vehicle or around engine components
5
Check serpentine belts and hoses for wear, cracks, or signs of burning
6
Test engine temperature using an infrared thermometer

Solution

1. Preparation

Tools Required:
- OBD-II scanner
- Torque wrench
- Socket set
- Coolant recovery container
Ensure the engine is cool before starting work to avoid burns. Disconnect the battery for safety.

2. Address Fluid Leaks

Sub-steps:
1. Identify the source of any fluid leaks observed during the diagnostic.
2. If coolant is leaking, replace any damaged hoses or the radiator as necessary.
3. If oil is leaking, check the oil filter and drain plug for tightness; replace gaskets if needed.

3. Replace Worn Belts or Hoses

Sub-steps:
1. Remove any damaged serpentine belts using a socket set.
2. Replace with new belts, ensuring proper routing following the diagram on the engine bay.
3. Inspect and replace any damaged hoses, ensuring tight connections at both ends.

4. Flush and Replace Coolant

Sub-steps:
1. Locate the radiator drain plug and drain the old coolant into a recovery container.
2. Flush the system with water to remove any debris.
3. Refill with a 50/50 mixture of coolant and water, following manufacturer’s specifications.

5. Reconnect Battery and Test

Reconnect the battery and start the engine. Monitor for any smells, leaks, or abnormal noises.