my Ford Explorer has a burning smell after driving what could it be

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

671 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 burning smell after driving in 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

•Allow the engine to cool before working on any components.
•Disconnect the battery before performing electrical work or repairs.

Symptoms

•Burning smell from the engine bay or undercarriage
•Smoke visible from the engine compartment
•Decreased engine performance
•Overheating engine temperature gauge
•Transmission fluid leak (if applicable)
•Unusual noises from the engine or transmission

Diagnostic Steps

1
Inspect engine oil level and condition; low or burnt oil can cause a burning smell.
2
Check for any fluid leaks under the vehicle, especially oil or transmission fluid.
3
Examine serpentine belts and hoses for wear or damage, which can lead to overheating or burning.
4
Use an OBD-II scanner to check for any diagnostic trouble codes related to engine performance.
5
Look for signs of exhaust leaks or burnt components in the exhaust system.
6
Verify the transmission fluid level and condition; burnt fluid can indicate transmission problems.

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
•Fluid catch pan
•Oil filter wrench
•Flashlight
•Rags

Parts Required

•Engine oil
•Oil filter
•Gaskets or seals (if leaks are present)
•Belts (if worn)
•Hoses (if damaged)
•Transmission fluid

Related Faults

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Diagnostic Steps

1
Inspect engine oil level and condition; low or burnt oil can cause a burning smell.
2
Check for any fluid leaks under the vehicle, especially oil or transmission fluid.
3
Examine serpentine belts and hoses for wear or damage, which can lead to overheating or burning.
4
Use an OBD-II scanner to check for any diagnostic trouble codes related to engine performance.
5
Look for signs of exhaust leaks or burnt components in the exhaust system.
6
Verify the transmission fluid level and condition; burnt fluid can indicate transmission problems.

Solution

1. Preparation

Tools Required: OBD-II scanner, socket set, fluid catch pan, flashlight, rags.
Ensure the vehicle is parked on a flat surface and the engine is off.
Allow the engine to cool completely before beginning work.

2. Change Engine Oil

Sub-steps:
1. Drain Old Oil: Remove the oil drain plug and allow the old oil to drain completely into a catch pan.
2. Replace Oil Filter: Use an oil filter wrench to remove the old oil filter and install a new one, ensuring the rubber O-ring is lubricated.
3. Add New Oil: Replace the drain plug and fill the engine with new oil as specified in the owner’s manual.

3. Repair Fluid Leaks

Sub-steps:
1. Identify Source: Clean the area around the leak to pinpoint the source of the fluid.
2. Replace Seals or Gaskets: If the leak is from a gasket or seal, remove the old part and install a new one, ensuring proper torque specifications are followed.
3. Top Off Fluids: After repairs, top off any fluids that were lost due to the leak.

4. Replace Worn Belts and Hoses

Sub-steps:
1. Remove Old Belts: Loosen and remove any belts that show signs of wear or damage.
2. Install New Belts: Route new belts according to the vehicle's diagram and tension them to the manufacturer’s specifications.
3. Replace Hoses: Remove damaged hoses and replace with new hoses, ensuring secure connections.

5. Check Transmission Fluid

Sub-steps:
1. Drain Old Fluid: If the transmission fluid is burnt, drain it using the transmission fluid pan.
2. Replace Filter: Remove the transmission filter and install a new one, ensuring all O-rings are in place.
3. Refill Transmission: Fill the transmission with new fluid as specified in the owner’s manual.