2019 INFINITI Q70L Is Leaking Oil

Address Oil Leaks in Your 2019 INFINITI Q70L 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 2019 INFINITI Q70L 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 Q70L 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 first steps to diagnose an oil leak in a 2019 INFINITI Q70L?

To effectively diagnose an oil leak in your 2019 INFINITI Q70L, start by visually inspecting the engine and surrounding components for any visible signs of oil. Pay close attention to areas around the oil pan, transmission, and any gaskets or seals, as these are common culprits for leaks. Next, check the oil levels to ensure they are within the recommended range; low levels may indicate a leak that needs addressing. Don’t forget to examine the undercarriage for any oil spots or drips, which can help you trace the leak's origin. If the source remains elusive, consider adding a UV dye to the oil, which will illuminate the leak under UV light, making it easier to spot. If you still cannot identify the leak or feel uncertain about the next steps, consulting a mechanic or dealership for professional assistance is advisable. By following this methodical approach, you can efficiently diagnose and address any oil leak issues in your vehicle.

What are the common causes of oil leaks in a 2019 INFINITI Q70L?

When dealing with oil leaks in a 2019 INFINITI Q70L, it's crucial to understand the common culprits that may be at play. One frequent issue is the degradation of the oil pan gasket, which can wear out over time, leading to leaks. Additionally, worn valve cover gaskets can allow oil to escape from the top of the engine, creating a mess and potential performance issues. Another area to inspect is the oil filter and its housing gasket; if either is damaged, it can result in significant oil loss. Furthermore, leaking oil cooler lines can also contribute to this problem, especially if they are cracked or worn. Lastly, don't overlook the oil seals, such as those around the crankshaft and camshaft, as these can degrade and lead to leaks as well. By regularly inspecting these components and addressing any signs of wear, you can maintain your vehicle's performance and prevent more serious engine damage.

How urgent is it to address the oil leak in my 2019 INFINITI Q70L?

Addressing an oil leak in your 2019 INFINITI Q70L is not just a matter of routine maintenance; it is a pressing issue that requires immediate attention. An oil leak can significantly reduce your engine's oil levels, leading to inadequate lubrication, which may result in severe engine damage over time. Furthermore, neglecting this problem can cause your engine to overheat, potentially leading to catastrophic mechanical failures that could leave you stranded or facing costly repairs. The safety implications are equally concerning, as leaking oil can drip onto hot engine components, creating a fire hazard. By tackling the oil leak promptly, you not only safeguard your vehicle's performance but also prevent more extensive and expensive repairs down the line. Therefore, if you notice any signs of an oil leak, it is crucial to act swiftly to maintain the integrity and longevity of your INFINITI Q70L.

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2019 INFINITI Q70L Leaking Oil: Causes & Repair Costs