2019 INFINITI QX80 Is Leaking Oil

Troubleshooting Oil Leak Issues in Your 2019 INFINITI QX80: Causes and Repair Solutions

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Reviewed by
Aisha
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 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 2019 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 are the steps to diagnose the oil leak in a 2019 INFINITI QX80?

To effectively diagnose an oil leak in your 2019 INFINITI QX80, start by visually inspecting the engine bay and the ground where you typically park your vehicle. Look for any signs of oil pooling or streaks that could indicate the source of the leak. Next, check the oil level using the dipstick; a significant drop may suggest a leak. Pay close attention to the oil filter and drain plug, as these components are common culprits for leaks due to wear or improper installation. Additionally, examine the gaskets and seals around the engine, as any signs of damage or deterioration can lead to oil leaks. For a more precise diagnosis, consider adding UV dye to the engine oil and using a UV light to identify the leak's origin, as the dye will illuminate under the light. If the leak remains elusive, performing a pressure test on the oil system can help pinpoint the issue. Should these methods not yield results, consulting a professional mechanic is advisable to ensure accurate diagnosis and repair. By following this structured approach, you can systematically identify and address the oil leak in your vehicle.

What are the common causes of oil leaks in a 2019 INFINITI QX80?

When dealing with oil leaks in a 2019 INFINITI QX80, it's essential to understand the common culprits that could be causing the problem. One frequent issue is the degradation of the oil pan gasket, which can wear out over time and lead to leaks. Similarly, worn valve cover gaskets may fail to create a proper seal, resulting in oil seeping out. Additionally, a faulty oil filter or drain plug can contribute to leaks if they are not securely fastened or if they have become damaged. Another area to inspect is the oil cooler lines, which can develop leaks due to age and wear. Lastly, keep an eye on the engine's oil seals, such as the crankshaft and camshaft seals, as these can deteriorate and lead to oil escaping from the engine. Regular maintenance and timely inspections can help you identify these issues early, allowing for effective DIY repairs and ensuring your vehicle remains in optimal condition.

How urgent is it to address the oil leak in my 2019 INFINITI QX80?

Addressing an oil leak in your 2019 INFINITI QX80 is not just a matter of routine maintenance; it is an urgent issue that requires immediate attention. Oil leaks can significantly reduce oil levels, leading to inadequate lubrication of the engine, which can cause severe damage over time. If left unchecked, the situation can escalate, resulting in engine overheating or even catastrophic engine failure, both of which can be costly to repair. Moreover, an oil leak poses a safety risk, as oil can drip onto hot engine components, increasing the likelihood of a fire. By promptly addressing the oil leak, you not only safeguard your vehicle's performance and longevity but also protect yourself and others on the road from potential hazards. Therefore, it is crucial to take action as soon as you notice any signs of an oil leak to prevent further complications and ensure the health of your INFINITI QX80.

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