2015 Lincoln Navigator Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2015 Lincoln Navigator and How to Fix 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 2015 Lincoln Navigator is leaking oil are oil system component failure and leaking engine gaskets.
  • Oil System Components: A failure in oil system components, such as a worn oil pump or clogged oil filter, can lead to 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 2015 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 steps should I take to diagnose the oil leak in my 2015 Lincoln Navigator?

To effectively diagnose an oil leak in your 2015 Lincoln Navigator, begin with a thorough visual inspection of the vehicle. Look for any visible signs of oil, such as puddles or stains beneath the engine and around the undercarriage. Next, check the fluid levels of essential components like engine oil, power steering fluid, brake fluid, and coolant, as discrepancies in these levels can help pinpoint the leak's origin. Pay special attention to the oil filter and drain plug; ensure they are secure and undamaged, as these are common culprits for leaks. If you suspect a leak, place a white plastic plate under the vehicle to catch any dripping fluid, as the color can provide valuable insights into the type of fluid leaking. Additionally, monitor the oil pressure gauge while driving to identify any irregularities that may suggest a leak. Before attempting any repairs, clean the engine components with a suitable solvent to remove old oil traces, which will aid in accurately locating the source of the leak. By following this diagnostic approach, you can systematically identify and address the oil leak in your Navigator, ensuring a more efficient and effective repair process.

What are the common causes of oil leaks in a 2015 Lincoln Navigator?

When dealing with oil leaks in a 2015 Lincoln Navigator, it's essential to understand the common problems that can lead to this issue. One frequent culprit is a worn-out drain plug, which can allow oil to escape from the oil pan. Additionally, damaged gaskets, particularly those around the oil filter and valve cover, can create pathways for oil to leak out. Another significant factor to consider is the failure of oil system components, such as the oil pump or oil cooler, which can lead to substantial leaks if not addressed. To effectively tackle these issues, start by inspecting the engine area for visible signs of oil pooling or dripping, and check the oil pressure gauge for any drops. Promptly identifying and fixing these leaks not only helps maintain your vehicle's performance but also prevents more severe engine damage down the line.

How urgent is it to address the oil leak in a 2015 Lincoln Navigator?

Addressing an oil leak in your 2015 Lincoln Navigator 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 pressure, which may compromise the engine's performance and longevity. The longer you wait to identify and fix the source of the leak, the greater the risk of severe engine damage, which can result in costly repairs or even complete engine failure. Regularly checking your vehicle's fluid levels, especially the engine oil, is essential for early detection of leaks. By staying proactive and addressing any signs of an oil leak promptly, you can ensure the proper functioning of your Navigator and avoid the financial burden of extensive repairs down the line. Remember, timely action is key to maintaining your vehicle's health and safety on the road.

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