INFINITI QX50 Is Leaking Oil

Discover the Common Causes of Oil Leaks in Your INFINITI QX50 and How to Address Them Effectively

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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 INFINITI QX50 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 INFINITI QX50 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.

How to Diagnose and Fix Oil Leaks in an INFINITI QX50?

When tackling oil leaks in your INFINITI QX50, it's essential to adopt a systematic diagnostic approach that prioritizes simplicity before complexity. Start by identifying the source of the leak, which can often be done using fluorescent dye or by steam cleaning the engine to reveal hidden areas of seepage. Regularly checking your oil levels and monitoring the oil pressure gauge will help you stay ahead of potential issues. As you inspect the vehicle, look for visible signs of oil under the car and around engine components, as these can provide clues to the leak's origin. If you suspect more serious problems, such as a malfunctioning oil pump or significant engine wear, it’s wise to consult a certified INFINITI technician. Once you pinpoint the leak, the repair process generally involves lifting the vehicle, draining the oil, replacing any faulty gaskets, and ensuring all components are securely tightened. By following this methodical approach, you can effectively diagnose and address oil leaks, ultimately enhancing the performance and longevity of your vehicle.

How to Address Oil Leaks in an INFINITI QX50?

When addressing oil leaks in your INFINITI QX50, it's essential to understand the common problems that may arise. Oil leaks can stem from various sources, including worn engine gaskets, faulty oil pumps, or malfunctioning relief valves. These issues can lead to significant engine wear if not addressed promptly. A thorough inspection is crucial; start by checking the oil pressure gauge and monitoring the engine oil level regularly. If you notice a drop in oil levels or see oil pooling under your vehicle, it’s time to investigate further. For DIY repairs, you can often resolve minor leaks by replacing the drain gasket and ensuring the oil plug is tightened to the correct torque specifications. However, if the leak persists or if you suspect more serious issues, such as significant engine wear or component failure, it’s wise to consult a certified INFINITI technician. By being proactive and informed about these common problems, you can maintain your vehicle's performance and longevity while potentially saving on repair costs.

How Urgent is an Oil Leak in an INFINITI QX50?

An oil leak in your INFINITI QX50 is not just a minor inconvenience; it poses significant risks that require immediate attention. Ignoring an oil leak can lead to low oil levels, which may trigger warning lights on your dashboard, indicating that your engine is not receiving adequate lubrication. This lack of lubrication can increase friction among vital engine components, potentially resulting in severe engine damage over time. Additionally, if you detect a strong odor of gasoline or oil after driving, it’s a clear sign that an oil leak is present and needs to be addressed. Regularly inspecting your vehicle for signs of oil leaks and taking prompt action can help maintain its health and longevity. For DIY enthusiasts, understanding the source of the leak—whether it’s a failing oil system component or a worn gasket—can guide you in making the necessary repairs, ensuring your INFINITI QX50 continues to perform optimally.

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