how to check Ford Explorer Sixth Generation (2020-present) for coolant leaks

Ford Explorer Sixth Generation (2020-present)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

3 min read

477 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 check for coolant leaks in Ford Explorer Sixth Generation (2020-present). Step-by-step guide with diagnostic steps and solutions.

Affected Component

Cooling System

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the engine to cool completely before opening the cooling system.

Symptoms

•Coolant level dropping in the reservoir
•Visible coolant puddles under the vehicle
•Sweet smell of coolant inside the cabin
•Engine overheating warning light illuminated
•Steam coming from the engine bay
•Increased engine temperature gauge reading

Diagnostic Steps

1
Inspect the coolant reservoir for cracks or damage.
2
Check the radiator and hoses for any signs of leaks or wear.
3
Examine the water pump for any coolant residue or leakage.
4
Look for wet spots or stains on the engine block.
5
Conduct a pressure test on the cooling system to identify leaks.

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

•Safety glasses
•Gloves
•Coolant pressure tester
•Flashlight
•Rags

Parts Required

•Coolant reservoir (if damaged)
•Coolant hoses (if worn)
•Water pump (if leaking)
•Radiator (if leaking)

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Solution

1. Preparation

Tools Required: Safety glasses, gloves, coolant pressure tester, flashlight, rags.
Ensure the engine is cool before starting the inspection to avoid burns.
Gather replacement parts if leaks are identified.

2. Inspect Coolant Reservoir

Remove the coolant reservoir cap.
Visually inspect for cracks or leaks in the plastic.
If damaged, replace the reservoir with an OEM part.

3. Check Hoses and Connections

Examine all coolant hoses for signs of wear, such as bulges or cracks.
Tighten any loose hose clamps.
Replace any damaged hoses with new ones, paying attention to the size and specifications.

4. Inspect Radiator and Water Pump

Look for any signs of leakage from the radiator, particularly at the seams.
Check the water pump for coolant residue around the weep hole.
If leaks are found, replace the radiator or water pump as necessary.

5. Conduct a Pressure Test

Attach the coolant pressure tester to the reservoir neck.
Pump the tester until the system reaches the specified pressure (usually around 15-20 psi).
Observe for any drops in pressure or visible leaks.
If a leak is detected, repair or replace the leaking component.