2018 Lincoln MKT Is Leaking Oil

Discover the Common Causes of Oil Leaks in Your 2018 Lincoln MKT and How to Address Them Effectively

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Reviewed by
Devin Cabugcal
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 2018 Lincoln MKT 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 2018 Lincoln MKT 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 are the initial diagnostic steps to identify the source of an oil leak in a 2018 Lincoln MKT?

To effectively identify the source of an oil leak in a 2018 Lincoln MKT, start with a thorough visual inspection of the engine and the area beneath the vehicle. Look for any visible signs of oil, such as puddles or drips, particularly around the oil pan, valve cover gaskets, oil filter, and drain plug. Next, check the oil levels to ensure they are within the recommended range; a significant drop may indicate a leak. Pay special attention to the oil filter and drain plug, ensuring they are securely fastened and free from damage, as these are common culprits for leaks. Additionally, inspect the valve cover gaskets for any signs of wear or cracks, as these can often lead to oil seepage. If the leak remains elusive, consider adding UV dye to the engine oil, which can help illuminate the leak's origin when viewed under a UV light. Finally, conducting a pressure test on the oil system can further assist in pinpointing any hidden leaks. By following these steps, you can systematically diagnose and address the oil leak issue in your Lincoln MKT.

What are the common causes of oil leaks in a 2018 Lincoln MKT?

When dealing with oil leaks in a 2018 Lincoln MKT, it's essential to understand the common culprits that may be at play. One frequent issue is the degradation of the oil pan gasket, which can wear out over time, leading to leaks. Similarly, worn valve cover gaskets can fail to create a proper seal, allowing oil to escape. Another potential source of leaks is the oil filter housing gasket; if this component is faulty, it can result in oil seeping from the engine. Additionally, inspect the oil cooler lines for any cracks or damage, as these can also contribute to leaks in the engine compartment. Lastly, ensure that the drain plug is securely fastened and properly sealed after an oil change, as a loose or improperly sealed plug can lead to significant oil loss. By regularly checking these areas and performing routine maintenance, you can effectively manage and prevent oil leaks in your Lincoln MKT.

How urgent is it to address the oil leak in my 2018 Lincoln MKT?

Addressing an oil leak in your 2018 Lincoln MKT is not just a matter of routine maintenance; it is an urgent issue that requires immediate attention. Ignoring an oil leak can lead to a significant drop in oil levels, which compromises the lubrication of essential engine components. This lack of lubrication increases friction and wear, potentially resulting in severe engine damage that could be costly to repair. Moreover, oil that drips onto hot engine parts poses a serious fire hazard, increasing the risk of a vehicle fire that could endanger both you and others on the road. Additionally, the environmental impact of leaking oil cannot be overlooked, as it can contaminate soil and water sources, harming local wildlife and ecosystems. Therefore, if you notice any signs of an oil leak, it is crucial to take action promptly to safeguard your vehicle's performance, ensure your safety, and protect the environment.

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2018 Lincoln MKT Leaking Oil: Causes & Repair Costs