why is my Ford Explorer Fifth Generation (2011-2019) leaking coolant

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

560 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 Fifth Generation (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

•Always allow the engine to cool before opening the radiator cap or working on the cooling system.
•Wear gloves and eye protection when handling coolant, as it is toxic.

Symptoms

•Coolant puddles under the vehicle
•Low coolant level in the reservoir
•Sweet smell of coolant inside or around the vehicle
•Overheating engine temperature gauge
•Steam or vapor from the engine bay during operation

Diagnostic Steps

1
Inspect the coolant reservoir for cracks or leaks.
2
Check hoses and clamps for signs of wear, cracks, or loose connections.
3
Examine the radiator for leaks or damage.
4
Inspect the water pump for signs of coolant leakage.
5
Perform a pressure test on the cooling system to identify any hidden leaks.
6
Check the engine block and cylinder head for potential leaks or gasket failures.

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

•Pliers
•Socket set
•Torque wrench
•Coolant catch pan
•Funnel

Parts Required

•Replacement hoses
•New radiator (if damaged)
•New water pump (if leaking)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Inspect the coolant reservoir for cracks or leaks.
2
Check hoses and clamps for signs of wear, cracks, or loose connections.
3
Examine the radiator for leaks or damage.
4
Inspect the water pump for signs of coolant leakage.
5
Perform a pressure test on the cooling system to identify any hidden leaks.
6
Check the engine block and cylinder head for potential leaks or gasket failures.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the engine is cool and the vehicle is on a flat surface.
Disconnect the negative battery terminal for safety.

2. Inspect and Replace Damaged Hoses

Tools Required: Pliers, socket set, coolant catch pan
Sub-steps:
1. Use pliers to loosen the clamps on the hoses.
2. Remove hoses that show signs of wear or leaks.
3. Install new hoses and secure with clamps, ensuring a tight fit.

3. Repair or Replace the Radiator

Tools Required: Socket set, screwdriver, coolant catch pan
Sub-steps:
1. Drain the coolant from the radiator into a catch pan.
2. Disconnect the upper and lower radiator hoses.
3. Remove any mounting brackets or bolts holding the radiator.
4. Lift out the old radiator and install a new one.
5. Reconnect hoses and refill with coolant.

4. Replace the Water Pump (if necessary)

Tools Required: Socket set, torque wrench, coolant catch pan
Sub-steps:
1. Drain the coolant again to prevent spills.
2. Disconnect hoses connected to the water pump.
3. Remove the water pump bolts and detach the pump.
4. Clean the mounting surface and install the new water pump.
5. Torque the bolts to manufacturer specifications and reconnect hoses.

5. Refill and Bleed the Cooling System

Tools Required: Funnel
Sub-steps:
1. Fill the coolant reservoir with the appropriate type of coolant.
2. Start the engine and let it run with the heater on to circulate coolant.
3. Check for air bubbles and top off coolant as needed.