2021 INFINITI QX80 Is Leaking Oil

Address Oil Leaks in Your 2021 INFINITI QX80 Effectively

Find Repair Location
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 2021 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 2021 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 2021 INFINITI QX80?

To effectively diagnose an oil leak in your 2021 INFINITI QX80, start by locating the leak, which involves a thorough inspection of the engine bay, the underside of the vehicle, and the parking area for any signs of oil. Next, check the oil level using the dipstick; a significant drop may indicate a leak. Pay close attention to the oil filter and drain plug, as these components can often be sources of leaks if they are loose or damaged. Additionally, examine the gaskets and seals within the engine for any signs of wear or deterioration. For a more precise diagnosis, consider adding UV dye to the engine oil and running the engine; this will allow you to use a UV light to easily spot the leak as the dye glows. If the source remains elusive, performing a pressure test on the oil system can help pinpoint the issue. However, if you find the problem too complex or are unable to identify the leak, consulting a professional mechanic is advisable to ensure proper 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 2021 INFINITI QX80?

When dealing with oil leaks in a 2021 INFINITI QX80, it's crucial to understand the common problems that may arise. One frequent culprit is a degraded or damaged oil pan gasket, which can deteriorate over time and lead to leaks. Additionally, worn-out valve cover gaskets may fail to create a proper seal, allowing oil to escape. It's also important to check the oil filter and drain plug, as faults in these components can result in significant leaks. Cracked or damaged oil seals, including the rear main seal or camshaft seals, are another common source of oil leaks. Lastly, overfilling the engine with oil can create excess pressure, leading to leaks as well. Addressing these issues promptly is vital to maintaining engine health and performance, and regular inspections can help catch these problems early, making DIY repairs more manageable.

How urgent is it to address an oil leak in a 2021 INFINITI QX80?

Addressing an oil leak in your 2021 INFINITI QX80 is not just a matter of routine maintenance; it is a crucial step in safeguarding your vehicle's performance and longevity. Ignoring an oil leak can lead to severe engine damage, as oil is vital for lubricating moving parts and preventing friction. A small leak can quickly escalate, resulting in costly repairs and diminished vehicle efficiency. Moreover, the safety risks associated with oil leaks cannot be overlooked; they can create hazardous driving conditions, such as slippery roads, and even pose a fire risk if oil comes into contact with hot engine components. Additionally, the environmental implications of oil leaks are significant, as they can contaminate soil and water sources. Therefore, it is imperative to address any signs of an oil leak immediately to protect your vehicle, ensure your safety, and minimize environmental harm. Taking swift action not only preserves the integrity of your INFINITI QX80 but also contributes to responsible vehicle ownership.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.