how to address a leaking coolant problem in Ford Explorer Fifth Generation (2011-2019)

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

558 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 coolant leaks in Ford Explorer (2011-2019). Step-by-step guide with symptoms, diagnostic steps, 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 completely before starting work.
•Wear gloves and safety glasses to protect against coolant spills.

Symptoms

•Coolant puddles under the vehicle
•Engine overheating
•Low coolant warning light illuminated
•Sweet smell of coolant inside the cabin
•Steam rising from the engine bay
•Decreased heater performance

Diagnostic Steps

1
Inspect the ground under the vehicle for coolant puddles and identify the location of the leak.
2
Check the coolant reservoir level and inspect for any visible cracks or damage.
3
Examine hoses connected to the radiator and engine for leaks or deterioration.
4
Inspect the radiator for signs of damage or corrosion.
5
Use a pressure tester on the cooling system to identify leaks under pressure.
6
Check the water pump for leaks around the weep hole.

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
•Screwdriver set
•Coolant pressure tester
•Drain pan
•Serpentine belt tool

Parts Required

•Replacement hoses
•New radiator
•New water pump
•Coolant

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Inspect the ground under the vehicle for coolant puddles and identify the location of the leak.
2
Check the coolant reservoir level and inspect for any visible cracks or damage.
3
Examine hoses connected to the radiator and engine for leaks or deterioration.
4
Inspect the radiator for signs of damage or corrosion.
5
Use a pressure tester on the cooling system to identify leaks under pressure.
6
Check the water pump for leaks around the weep hole.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the engine is cool before starting.
Disconnect the battery for safety.

2. Drain Coolant

Place a drain pan under the radiator.
Open the radiator drain valve and allow the coolant to fully drain.
Dispose of old coolant per local regulations.

3. Replace Damaged Hoses

Identify any damaged or leaking hoses.
Loosen hose clamps using a screwdriver or socket.
Remove the damaged hose and install the new hose, ensuring proper alignment.
Tighten hose clamps to secure the new hose.

4. Repair or Replace Radiator

If the radiator is damaged, remove it by disconnecting the upper and lower radiator hoses.
Disconnect the transmission cooler lines if applicable.
Remove any mounting bolts and lift the radiator out.
Install the new radiator by reversing the removal steps, ensuring all connections are secure.

5. Replace Water Pump (if necessary)

If the water pump is leaking, remove the serpentine belt.
Disconnect the water pump from the engine block by removing the mounting bolts.
Clean the gasket surface on the engine block.
Install the new water pump with a new gasket, tightening bolts to manufacturer specifications.

6. Refill Coolant

Close the radiator drain valve.
Fill the radiator and coolant reservoir with the appropriate coolant mixture (50/50 antifreeze and distilled water).
Run the engine with the heater on to allow air to escape from the system.

7. Final Checks

Check for leaks around hoses, radiator, and water pump after refilling.
Reconnect the battery.