2015 INFINITI Q70 Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2015 INFINITI Q70 and How to Address Them Effectively

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Reviewed by
Andrew Hajjar
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 INFINITI Q70 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 INFINITI Q70 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 2015 INFINITI Q70?

When diagnosing an oil leak in your 2015 INFINITI Q70, it's essential to adopt a systematic approach that begins with the most straightforward checks. Start by locating the leak; inspect the area beneath your vehicle for any visible oil drips or stains, which can provide immediate clues about the leak's origin. Next, check the oil level in your engine; a significantly low level may indicate a leak that needs addressing. Focus on the oil filter and drain plug, as these components are common culprits for leaks—tightening them can sometimes resolve the issue. Additionally, examine the gaskets and seals around the engine, as wear and tear in these areas often lead to oil leaks. If the source remains elusive, consider using UV dye, which can help illuminate the leak when exposed to a UV light after running the engine. For more complex issues, a pressure test of the oil system can pinpoint leaks that are not easily visible. If these methods do not yield results, consulting a professional mechanic is advisable, as they possess the expertise and specialized tools necessary for a thorough diagnosis and repair. By following this structured diagnostic approach, you can effectively identify and address the oil leak in your vehicle.

What are the common causes of oil leaks in a 2015 INFINITI Q70?

When dealing with oil leaks in a 2015 INFINITI Q70, 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-out valve cover gaskets are another frequent source of oil leaks, as they can deteriorate with age and usage. It's also important to check the oil filter and drain plug; if either is loose or damaged, they can easily cause oil to escape. Another potential issue could be a cracked or damaged oil cooler, which can lead to significant leaks if not addressed. Lastly, various oil seals, such as those around the camshaft or crankshaft, can wear out and contribute to oil leaks. Regular inspections and maintenance are essential to catch these problems early, ensuring your vehicle runs smoothly and preventing further engine damage.

How urgent is it to address the oil leak in my 2015 INFINITI Q70?

Addressing an oil leak in your 2015 INFINITI Q70 is not just a matter of routine maintenance; it is a pressing issue that requires immediate attention. Ignoring an oil leak can lead to a significant drop in oil levels, which compromises the lubrication of essential engine components. This lack of lubrication increases friction and wear, potentially resulting in severe engine damage that could be costly to repair. Moreover, the presence of leaking oil poses a serious fire hazard, especially if it comes into contact with hot engine parts, creating a risk that could endanger both you and your vehicle. Additionally, neglecting this issue can have environmental repercussions, as spilled oil can contaminate soil and water sources, contributing to pollution. Therefore, it is crucial to act swiftly and address any oil leaks to protect your engine's integrity, ensure your safety, and minimize environmental impact.

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