2015 Nissan Quest Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2015 Nissan Quest and How to Address Them

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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 2015 Nissan Quest 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 2015 Nissan Quest 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 2015 Nissan Quest?

To effectively diagnose an oil leak in your 2015 Nissan Quest, start by locating the leak, which often begins with a visual inspection of the area where you typically park. Look for any oil puddles or drips that may indicate the source of the leak, focusing on common areas such as the engine, oil pan, oil filter, and oil drain plug. Next, check the oil level in the engine; a significant drop can signal a leak. Inspect the engine components for visible signs of oil, particularly around the valve cover gasket, oil pan gasket, and oil filter housing. If the source remains elusive, consider adding UV dye to the engine oil and running the engine to help pinpoint the leak with a UV light. For a more thorough investigation, a pressure test on the oil system can reveal hidden leaks. If these methods do not yield results or if the problem appears complex, consulting a professional mechanic is advisable to ensure a proper diagnosis and repair. By following this structured approach, you can efficiently identify and address any oil leak issues in your vehicle.

What are the common causes of oil leaks in a 2015 Nissan Quest?

When dealing with oil leaks in a 2015 Nissan Quest, 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, a faulty oil drain plug can cause oil to seep from the oil pan if it is loose or damaged. Another frequent source of leaks is the valve cover gasket, which can deteriorate and allow oil to escape from the top of the engine. It's also important to check the oil filter, as a poorly installed or defective filter can contribute to oil leaks. Lastly, inspect for any cracks or damage in engine components, as these can lead to significant oil loss if not addressed. By regularly maintaining your vehicle and conducting thorough inspections, you can identify these issues early and take the necessary steps to prevent further damage to your engine.

How urgent is it to address the oil leak in my 2015 Nissan Quest?

Addressing an oil leak in your 2015 Nissan Quest is not just a matter of routine maintenance; it is a critical issue that demands immediate attention. Ignoring an oil leak can lead to a cascade of problems, including severe engine damage due to low oil levels, which can compromise the vehicle's performance and longevity. Moreover, an oil leak poses safety risks, as it can create slippery surfaces that increase the likelihood of accidents. The longer you wait to fix the leak, the more costly the repairs can become, as minor issues can escalate into major engine failures. Additionally, oil leaks have environmental implications, contaminating soil and water sources, which makes prompt action essential not only for your vehicle's health but also for the planet. Therefore, if you notice any signs of an oil leak, it is crucial to address the issue without delay to ensure your safety and the reliability of your Nissan Quest.

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