I’ve been dealing with this issue for a while now. My Ford Explorer keeps overheating, especially during long drives. I’ve tried a few things, but nothing seems to work. Can anyone help me out here?
Response
I totally get your frustration; I’ve been there with my own Ford Explorer. What really made a difference for me was checking the thermostat and water pump. I found out that my thermostat was stuck closed, and replacing it completely resolved the overheating issue. I’d recommend starting there.
Solutions that resolved issue
| Solution | Users Who Found Success | Personal Experience | Estimated Cost (USD) | Time Needed (Minutes) |
|---|---|---|---|---|
| Check Thermostat and Water Pump | 2 | Checked both and issue was resolved | $50-$200 | 30-60 |
| Check the Heater Core | 2 | Bypassed the heater core temporarily | $100-$300 | 60-120 |
| Call and Go to Your Car Dealer | 1 | Went to the dealer, issue was resolved | $0-$500 | 60-180 |
| Check the Hose Assembly | 1 | Replaced the hose assembly | $20-$50 | 30-60 |
Symptoms
- Engine temperature gauge rising
- Coolant boiling over
- Warning lights on the dashboard
Possible Causes
- Faulty thermostat
- Clogged heater core
- Water pump failure
- Coolant leaks
Solutions that Worked
1. Check Thermostat and Water Pump
What I Did:
Checked the thermostat and water pump for any issues.
Outcome:
The engine stopped overheating.
Personal Experience:
I checked both the thermostat and water pump, and it turns out the thermostat was stuck closed. Replacing it solved the issue.
Estimated Cost:
$50-$200
Time Needed:
30-60 minutes
Steps:
- Locate the Thermostat Housing: Usually found near the engine block. Follow the upper radiator hose to find it.
- Remove the Housing: You’ll need a wrench or socket set for this. Make sure the engine is cool before you start.
- Check the Thermostat: Look for any signs of corrosion or a thermostat that is stuck closed or open.
- Inspect the Water Pump: Listen for any strange noises and check for leaks around the pump.
- Replace if Necessary: If either part is faulty, replace it.
Expert Tip:
Always start with checking the thermostat and water pump when dealing with overheating issues. They are often the main culprits. Also, consider using a thermostat with a jiggle pin for better air bleeding.
2. Check the Heater Core
What I Did:
Inspected the heater core for any clogs or leaks.
Outcome:
The engine stopped overheating.
Personal Experience:
I noticed that the heater wasn’t working properly, which led me to check the heater core. Turns out it was clogged. A temporary bypass solved the issue.
Estimated Cost:
$100-$300
Time Needed:
60-120 minutes
Steps:
- Locate the Heater Core: Usually found behind the dashboard.
- Check for Clogs: Use a flashlight to inspect the core for any visible clogs.
- Perform a Flush: If clogged, you can use a garden hose to flush it out.
- Replace if Necessary: If the core is leaking or severely clogged, it may need to be replaced.
Expert Tip:
A clogged heater core can cause both overheating and a lack of cabin heat. Always check it if you’re experiencing either of these issues. Flushing the heater core annually can prevent clogs.
3. Call and Go to Your Car Dealer
What I Did:
Took the car to the dealer for a thorough inspection.
Outcome:
The engine stopped overheating.
Personal Experience:
The dealer found a minor issue with the cooling system and fixed it under warranty.
Estimated Cost:
$0-$500
Time Needed:
60-180 minutes
Steps:
- Call Your Car Dealer: Explain the issue and schedule an appointment.
- Take the Car for a Diagnostic Test: The dealer will usually perform a full diagnostic test to identify the issue.
- Follow Dealer Recommendations: The dealer may suggest repairs or parts replacements.
Expert Tip:
If your car is still under warranty, always consult your dealer for any major issues like overheating. Keep all your service records for warranty claims.
4. Check the Hose Assembly
What I Did:
Inspected the hose assembly for any leaks or damages.
Outcome:
The engine stopped overheating.
Personal Experience:
I found a small leak in one of the hoses. Replacing it solved the issue.
Estimated Cost:
$20-$50
Time Needed:
30-60 minutes
Steps:
- Inspect All Hoses: Check the hoses connected to the radiator and engine for any visible leaks or cracks.
- Perform a Pressure Test: This can help identify any less obvious leaks.
- Replace the Damaged Hose: If you find a leak, replace the hose.
Expert Tip:
A leaking hose can lead to a loss of coolant, which in turn can cause the engine to overheat. Always check the hoses if you’re losing coolant. Consider upgrading to silicone hoses for better durability.
Car Models Where This Worked
- 2004 Ford Explorer
- 2005 Ford Explorer
- 2007 Ford Explorer Eddie Bauer
- 2011 Ford Explorer
- 2020 Ford Explorer Platinum