2016 INFINITI QX80 Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2016 INFINITI QX80 and How to Address Them Effectively

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Reviewed by
Bo Fader
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 2016 INFINITI QX80 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 2016 INFINITI QX80 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.

An oil leak may be noted on the ground where the vehicle is parked. However, many vehicles have plastic trays underneath the engine that may catch leaking oil and conceal the leak. In such cases, a low oil level, a burning oil smell, or even smoke from oil burning in the engine bay may be noted.

»MORE: Signs of a bad oil pan gasket

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 2016 INFINITI QX80?

To effectively diagnose an oil leak in your 2016 INFINITI QX80, 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 about the leak's origin. Next, check the oil level to determine if there has been a significant drop, as this can indicate a leak. Focus on the oil filter and drain plug, as these components are often the culprits; ensure they are secure and free from oil residue. Continue your inspection by examining gaskets and seals around the engine, as wear and tear can lead to leaks. The oil pan is another critical area to inspect for cracks or damage, which can also result in oil loss. Lastly, pay attention to the valve cover gasket, as deterioration over time can cause leaks. If these steps do not reveal the source of the leak, or if the problem persists, it may be time to consult a professional mechanic for a thorough diagnosis and repair. By following this structured approach, you can efficiently identify and address the oil leak issue in your vehicle.

What are the common causes of oil leaks in a 2016 INFINITI QX80?

When dealing with oil leaks in a 2016 INFINITI QX80, 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 lead to noticeable oil spots under the vehicle. Another potential source of leaks is the valve cover gasket; if this component fails, it can allow oil to seep onto the engine, often resulting in a burning oil smell. Additionally, the oil filter housing gasket can deteriorate, causing oil to leak around the oil filter area. A more serious concern is the rear main seal, located at the back of the engine, which can develop leaks over time, leading to oil dripping from the engine's underside. Lastly, oil cooler line leaks can also contribute to oil loss. Addressing these leaks promptly is essential to prevent further engine damage and ensure optimal vehicle performance. Regular inspections and maintenance can help you catch these issues early, allowing for a more straightforward DIY repair process.

How urgent is it to address the oil leak in my 2016 INFINITI QX80?

Addressing an oil leak in your 2016 INFINITI QX80 is not just a matter of routine maintenance; it is a critical issue that demands immediate attention. Ignoring an oil leak can lead to severe consequences, including engine damage due to inadequate lubrication, which is essential for preventing friction and overheating. As oil levels drop, you risk losing oil pressure, a vital component for the engine's proper functioning, leading to accelerated wear and tear on engine parts. Moreover, a significant drop in oil levels can result in catastrophic engine failure, leaving you with costly repairs. Beyond mechanical issues, an oil leak poses safety risks, as oil can drip onto hot engine components, creating a fire hazard. Therefore, if you notice any signs of an oil leak, it is imperative to act swiftly. Not only will this protect your vehicle's performance and longevity, but it will also ensure your safety on the road. Taking the time to diagnose and repair the leak yourself can save you money and prevent further complications, making it a worthwhile DIY project.

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