2019 Lincoln Navigator Is Leaking Oil

Address Oil Leaks in Your 2019 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 2019 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 2019 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 steps to diagnose the oil leak in a 2019 Lincoln Navigator?

To effectively diagnose an oil leak in your 2019 Lincoln Navigator, start by locating the source of the leak. Begin by inspecting the area beneath the vehicle for any visible oil spots or puddles, as this can give you a clear indication of where the leak is originating. Next, open the hood and examine the engine compartment for any signs of oil stains or wetness around gaskets, seals, and connections, which are common culprits for leaks. It's also crucial to check the oil level in the engine; a significant drop may suggest a more serious leak that needs immediate attention. Don’t forget to inspect the oil filter and drain plug to ensure they are securely tightened, as loose components can easily lead to leaks. Additionally, take a close look at the gaskets and seals for any signs of wear or damage, as these can often be the source of oil leaks. If the leak remains elusive, consider performing a pressure test, which can help identify leaks that are not immediately visible. By following these steps, you can systematically diagnose the oil leak and take the necessary actions to address it.

What are the common causes of oil leaks in a 2019 Lincoln Navigator?

When diagnosing oil leaks in a 2019 Lincoln Navigator, it's crucial to understand the common culprits that may be at play. One of the primary issues is a degraded or damaged oil pan gasket, which can wear out over time, leading to leaks. Additionally, worn valve cover gaskets are another frequent source of oil leaks, as they can deteriorate with age and usage, allowing oil to escape from the engine. Another area to inspect is the oil filter housing gasket; if this component is faulty or damaged, it can also result in oil leaking within the engine compartment. Furthermore, leaking oil cooler lines can contribute to oil loss, especially if they are cracked or deteriorated. Lastly, don't overlook the oil seals, such as the crankshaft and camshaft seals, which can develop cracks or wear out, leading to significant leaks. Addressing these issues promptly is essential to maintain the health of your vehicle's engine, and regular inspections can help catch these problems early, allowing for effective DIY repairs.

How urgent is it to address the oil leak in my 2019 Lincoln Navigator?

When it comes to your 2019 Lincoln Navigator, addressing an oil leak 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 cascade of problems, including significant engine damage due to low oil levels, which are essential for lubricating engine components and ensuring optimal performance. Furthermore, an oil leak poses safety risks, as it can create slippery surfaces that increase the likelihood of accidents, both for you and other drivers on the road. Additionally, the environmental impact of oil leaks cannot be overlooked; they can contaminate soil and water sources, leading to broader ecological harm. Therefore, it is crucial to act swiftly and have the leak inspected and repaired by a qualified mechanic to safeguard your vehicle's performance, your safety, and the environment.

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2019 Lincoln Navigator Oil Leak Causes & Repair Costs