my Ford Explorer has a burning smell and is leaking fluid, what should I look for?

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

578 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 and fluid leak issues in Ford Explorer. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Cooling System

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

Symptoms

•Burning smell, possibly from overheated fluids
•Fluid pooling underneath the vehicle
•Visible fluid stains on the driveway or garage floor
•Possible warning lights on the dashboard (e.g., low fluid levels)
•Engine overheating (if applicable)
•Reduced performance or unusual noises from the engine compartment

Diagnostic Steps

1
Inspect the area beneath the vehicle to identify the type of fluid leaking (e.g., oil, coolant, transmission fluid)
2
Check fluid levels in the engine oil, coolant reservoir, transmission fluid, and brake fluid
3
Use an OBD-II scanner to check for any stored error codes that may indicate system malfunctions
4
Visually inspect hoses and seals for signs of wear, cracks, or damage
5
Inspect the engine and transmission for signs of overheating or burnt fluid
6
Check the condition of the oil and other fluids for discoloration or a burnt smell

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

•Socket set
•Fluid catch pan
•Rags
•OBD-II scanner
•Multimeter

Parts Required

•Replacement hoses
•Gaskets or sealants
•Fluids (engine oil, transmission fluid, coolant)

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Symptoms

•Burning smell, possibly from overheated fluids

•Fluid pooling underneath the vehicle

•Visible fluid stains on the driveway or garage floor

•Possible warning lights on the dashboard (e.g., low fluid levels)

•Engine overheating (if applicable)

•Reduced performance or unusual noises from the engine compartment

Diagnostic Steps

1
Inspect the area beneath the vehicle to identify the type of fluid leaking (e.g., oil, coolant, transmission fluid)
2
Check fluid levels in the engine oil, coolant reservoir, transmission fluid, and brake fluid
3
Use an OBD-II scanner to check for any stored error codes that may indicate system malfunctions
4
Visually inspect hoses and seals for signs of wear, cracks, or damage
5
Inspect the engine and transmission for signs of overheating or burnt fluid
6
Check the condition of the oil and other fluids for discoloration or a burnt smell

Solution

1. Preparation

Gather necessary tools: socket set, fluid catch pan, rags, OBD-II scanner, and possibly a multimeter.
Ensure the vehicle is parked on a level surface and the engine is cool.
Disconnect the battery if working on electrical components.

2. Identify and Repair the Leak

Locate the Leak:
- Use the fluid catch pan to collect leaking fluids and identify the source.
- Clean the area around the suspected leak to ensure accurate detection.
Replace Damaged Hoses:
- If hoses are damaged, use the socket set to remove and replace them.
- Ensure new hoses are secured and properly routed.
Seal or Replace Gaskets:
- If the leak is from a gasket, remove the affected component (e.g., valve cover, oil pan).
- Clean the surfaces and apply a new gasket or sealant as per manufacturer specifications.
- Reinstall the component with the correct torque specifications.

3. Address Fluid Overheating

Change Overheated Fluids:
- Drain the affected fluids (engine oil, transmission fluid, coolant) into the catch pan.
- Replace with manufacturer-recommended fluids and check for proper levels.
Inspect and Clean Components:
- Check the radiator and cooling system for blockages and clean if necessary.
- Ensure the thermostat and water pump are functioning correctly.
Test Drive and Monitor:
- Reconnect the battery and start the engine.
- Monitor the gauges for normal operating temperatures and check for leaks during a short test drive.