2021 Ford Explorer Is Leaking Oil

Troubleshooting Oil Leaks in Your 2021 Ford Explorer: Common Causes and Repair Solutions

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Reviewed by
Andrew Hajjar
Written by RepairPal Car Genius
Updated January 14, 2025
0%
80% chance it's the
Oil System Components
0%
20% chance it's the
Engine Gaskets
The most common reasons a 2021 Ford Explorer is leaking oil are oil system component failure and leaking engine gaskets.
  • Oil System Components: A worn or damaged oil pump or filter can lead to low oil pressure, resulting in inadequate lubrication and potential engine damage.
  • Engine Gaskets: A worn or damaged engine gasket can lead to oil or coolant leaks, resulting in engine overheating or loss of lubrication.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 2021 Ford Explorer is leaking oil?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

Oil pans don't wear out or break like other parts, they generally only need to be replaced because of external damage from an accident or an improperly tightened drain plug. The main symptom you will experience is an oil leak underneath the engine of your car. The oil that leaks from a damaged oil pan will range from dark brown to dark black. If the leak is large enough or occurs for long enough the oil level will be low enough to turn the oil pressure or low oil level warning light on.

The engine oil pressure warning light will come on if the engine oil pressure is low, or if the oil pressure sensor is faulty. In either case, engine power may be reduced significantly. The check engine light may also illuminate, and an on-board diagnostic (OBD) trouble code will be stored in the vehicle's computer.

What steps should I take to diagnose the oil leak in my 2021 Ford Explorer?

To effectively diagnose an oil leak in your 2021 Ford Explorer, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by locating the leak; inspect the area beneath your vehicle for any visible oil spots or puddles, which can provide immediate clues. Next, turn your attention to the engine components, focusing on the oil pan, valve cover gasket, oil filter, and oil drain plug, as these are common culprits for leaks. Checking the oil level is also crucial; a significant drop may indicate a leak that needs addressing. Pay special attention to the oil filter, as any signs of damage or leakage here can lead to oil loss. Additionally, examine the oil pan for cracks or holes and ensure that the oil drain plug is securely tightened, as a loose plug can often be the source of the problem. If these steps do not reveal the leak's origin or if the situation appears complicated, it may be wise to consult a professional mechanic for a thorough inspection and repair. By following this structured diagnostic approach, you can efficiently identify and address the oil leak in your vehicle.

What are the common causes of oil leaks in a 2021 Ford Explorer?

When dealing with oil leaks in a 2021 Ford Explorer, it's essential to understand the common culprits that may be at play. One frequent issue is a degraded or damaged oil pan gasket, which can deteriorate over time and lead to leaks. Additionally, worn-out oil seals, particularly around critical engine components like the crankshaft and valve cover, can also contribute to oil loss. Another potential source of leaks is a loose or damaged oil drain plug, which can allow oil to escape from the oil pan. Cracks in engine components, such as the engine block, can further exacerbate the problem, leading to significant oil leakage. Lastly, overfilling the engine with oil can create excess pressure, resulting in leaks. Regular maintenance and thorough inspections are vital for identifying these issues early, allowing DIY enthusiasts to take corrective action before the problem escalates.

How urgent is it to address the oil leak in my 2021 Ford Explorer?

Addressing an oil leak in your 2021 Ford Explorer is crucial, as neglecting this issue can lead to severe consequences for both your vehicle's performance and your safety. The urgency of the situation largely hinges on the severity of the leak; even a minor leak can escalate if left unattended, potentially resulting in significant oil loss. Insufficient lubrication due to an oil leak can increase friction within the engine, leading to wear and tear that may culminate in costly repairs or even engine failure. Moreover, an oil leak poses safety risks, particularly if the oil comes into contact with hot engine components, which could ignite and cause a fire. Additionally, the environmental implications of oil leaks cannot be overlooked, as they can contaminate soil and water sources. Therefore, if you observe any signs of an oil leak, such as oil spots beneath your vehicle or a noticeable drop in oil levels, it is imperative to act swiftly. Consulting a qualified mechanic will help identify the source of the leak and facilitate timely repairs, ensuring the longevity and safety of your Ford Explorer.

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