2011 INFINITI M37 Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2011 INFINITI M37 and How to Address Them Effectively

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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 2011 INFINITI M37 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 2011 INFINITI M37 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 2011 INFINITI M37?

To effectively diagnose an oil leak in your 2011 INFINITI M37, start by visually inspecting the engine bay and the area where you park your vehicle for any signs of oil accumulation. This initial step helps you locate the source of the leak. Next, check the oil level to ensure it is within the recommended range; a significant drop may indicate a serious leak. Pay close attention to the oil filter and drain plug, as these components can often be the culprits behind leaks. If you notice any looseness or signs of leakage, tighten or replace them as needed. Additionally, examine the gaskets and seals around critical engine components like the valve cover and oil pan for wear or damage. For a more thorough investigation, consider adding UV dye to the engine oil and using a UV light to identify the leak's source, as the dye will glow under the light. If the leak remains elusive, performing a pressure test on the oil system can help pinpoint the issue, revealing leaks in oil lines or seals. Should you find the diagnosis challenging or the problem complex, consulting a professional mechanic is advisable to ensure a comprehensive evaluation and repair. By following this structured diagnostic approach, you can efficiently identify and address oil leaks in your vehicle.

What are the common causes of oil leaks in a 2011 INFINITI M37?

When dealing with oil leaks in a 2011 INFINITI M37, it's essential to understand the common culprits that may be at play. One frequent issue is the deterioration of the oil pan gasket, which can wear out over time, leading to leaks. Similarly, valve cover gaskets are prone to leaks due to age or improper installation, allowing oil to escape from the engine. Another potential source of leaks is the oil filter housing gasket; if this component fails, it can result in significant oil loss. Additionally, the rear main seal, located at the back of the engine, can also develop leaks as it ages, which is a more challenging issue to address. Lastly, the seals around the oil cooler can wear out, contributing to oil leaks as well. Addressing these issues promptly is crucial to prevent further engine damage and maintain optimal vehicle performance. Regular inspections and maintenance can help you catch these problems early, ensuring your INFINITI M37 runs smoothly.

How urgent is it to address the oil leak in my 2011 INFINITI M37?

Addressing an oil leak in your 2011 INFINITI M37 is not just a matter of routine maintenance; it is an urgent issue that requires immediate attention. Ignoring this problem can lead to a significant decrease in oil levels, which compromises the lubrication necessary for your engine's components. This lack of lubrication can result in severe engine damage over time, leading to costly repairs that could have been easily avoided. Furthermore, an oil leak can cause your engine to overheat, as the insufficient oil fails to regulate temperature effectively. This overheating not only risks engine failure but also poses a serious safety hazard, as leaking oil can drip onto hot engine parts, increasing the risk of fire. Additionally, the environmental impact of an oil leak cannot be overlooked; the spilled oil can contaminate soil and water sources, contributing to pollution. Therefore, it is crucial to address any signs of an oil leak promptly to ensure the safety, functionality, and longevity of your vehicle.

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