2017 Lincoln Navigator Is Leaking Oil

Address Oil Leaks in Your 2017 Lincoln Navigator 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 2017 Lincoln Navigator 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 2017 Lincoln Navigator 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 2017 Lincoln Navigator?

To effectively identify the source of an oil leak in your 2017 Lincoln Navigator, start with a thorough visual inspection of the engine and undercarriage. Look for any visible signs of oil pooling or dripping, as this can provide immediate clues about the leak's origin. Next, check the oil level in the engine; a significantly low level may indicate a leak and help narrow down the search area. Pay special attention to the oil filter and drain plug, as these components are common culprits for leaks due to wear or improper installation. Additionally, inspect the gaskets and seals around critical engine parts, such as the valve cover and oil pan, since damaged gaskets can lead to oil seepage. If the leak remains elusive, consider adding UV dye to the engine oil, which will illuminate under UV light, making it easier to trace the leak's source. Finally, if necessary, conduct a pressure test on the oil system to reveal any hidden leaks. By following these steps, you can systematically diagnose the issue and take the appropriate actions to resolve the oil leak.

What are the common causes of oil leaks in a 2017 Lincoln Navigator?

When dealing with oil leaks in a 2017 Lincoln Navigator, it's crucial to understand the common culprits that may be at play. One frequent issue is a worn or damaged oil pan gasket, which can deteriorate over time and lead to leaks. Additionally, valve cover gaskets are another common source of leaks, as they can wear out and allow oil to escape from the top of the engine. Another area to inspect is the oil filter housing gasket; if this component fails, it can result in oil leaking around the oil filter. Furthermore, the rear main seal, located at the back of the engine, is known to develop leaks that can cause oil to drip onto the ground. Lastly, don't overlook the oil cooler lines, as leaks in these lines can also contribute to oil loss. Addressing these issues promptly is essential to prevent further engine damage, and regular maintenance checks can help you catch these problems early, ensuring your Navigator runs smoothly.

How urgent is it to address the oil leak in my 2017 Lincoln Navigator?

Addressing an oil leak in your 2017 Lincoln Navigator is not just a matter of routine maintenance; it is a pressing issue that requires immediate attention. Oil is vital for lubricating engine components, and a leak can lead to a significant loss of this essential fluid, jeopardizing the smooth operation of your engine. If left unaddressed, the consequences can escalate quickly, potentially resulting in severe engine damage or even complete engine failure. Moreover, an oil leak poses a serious safety risk, as leaking oil can ignite if it comes into contact with hot engine parts, creating a fire hazard. By tackling the oil leak promptly, you not only safeguard your vehicle's performance but also protect yourself and others on the road from potential dangers. Taking swift action can save you from more extensive and costly repairs down the line, making it crucial to prioritize this issue without delay.

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