how to fix a coolant leak in my Ford Explorer Sixth Generation (2020-present)

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

544 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 a coolant leak in your Ford Explorer (2020-present). 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

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

Symptoms

•Coolant puddles under the vehicle
•Check engine light illuminated
•Engine temperature gauge reading higher than normal
•Sweet smell of coolant inside or around the vehicle
•Low coolant level in the reservoir
•Steam rising from the engine bay

Diagnostic Steps

1
Inspect coolant reservoir for cracks or leaks.
2
Check hoses for signs of wear, cracks, or loose connections.
3
Examine the radiator for damage or leaks.
4
Use a UV leak detection kit to identify leaks in the system.
5
Inspect the water pump for leaks and proper operation.
6
Pressure test the cooling system to identify the source of the leak.

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
•Screwdrivers
•Pliers
•UV leak detection kit
•Torque wrench

Parts Required

•Coolant reservoir (if damaged)
•Hoses (if damaged)
•Radiator (if leaking)
•Water pump (if leaking)
•Coolant

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Inspect coolant reservoir for cracks or leaks.
2
Check hoses for signs of wear, cracks, or loose connections.
3
Examine the radiator for damage or leaks.
4
Use a UV leak detection kit to identify leaks in the system.
5
Inspect the water pump for leaks and proper operation.
6
Pressure test the cooling system to identify the source of the leak.

Solution

1. Preparation

Gather tools and parts.
Ensure the engine is cool and vehicle is on a flat surface.
Disconnect the battery to prevent electrical issues.

2. Locate the Leak

Use a UV light to inspect for dye leaks in the coolant system.
If visible, note the location of the leak for repair.

3. Repair or Replace Affected Components

A. Coolant Reservoir

If cracked, remove the reservoir by unscrewing bolts and disconnecting hoses.
Replace with a new reservoir, ensuring all connections are tight.

B. Hoses

If hoses are damaged, loosen hose clamps and remove the old hoses.
Install new hoses, ensuring they fit securely and tighten clamps to the manufacturer’s specification.

C. Radiator

If the radiator is leaking, drain the coolant from the system.
Remove the radiator by unscrewing mounting bolts and disconnecting the transmission cooler lines (if applicable).
Install the new radiator, reconnect lines, and refill with coolant.

D. Water Pump

If the water pump is leaking, drain coolant, then remove the serpentine belt.
Unscrew the water pump from the engine block and replace it with a new pump, ensuring a proper gasket is used.
Reinstall the serpentine belt and refill the cooling system.

4. Refill the Cooling System

Use the manufacturer-recommended coolant.
Bleed the cooling system to eliminate air pockets by running the engine with the radiator cap off until the thermostat opens.