INFINITI FX37 Is Leaking Oil

Discover the Common Causes of Oil Leaks in Your INFINITI FX37 and How to Resolve 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 INFINITI FX37 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 FX37 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.

Troubleshooting Oil Leaks in an INFINITI FX37

When troubleshooting oil leaks in your INFINITI FX37, begin by inspecting the oil system components, as these are often the most straightforward sources of leaks. Check the oil drain plug, oil filter gasket, rear main seal, and oil fill plug for any visible signs of oil seepage. If these areas appear intact, turn your attention to the engine gaskets, particularly the valve cover gasket, which can also be a common culprit. If you suspect a leak from the oil cooler, refer to technical service bulletins for guidance on specific issues related to the oil cooler gasket. Additionally, monitor your oil levels; if your vehicle is burning oil, it may lead to low levels and trigger the oil light indicator. By systematically inspecting these components, you can identify the source of the leak and determine whether a simple gasket replacement or a more involved repair is necessary. If you encounter difficulties or are uncertain about the diagnosis, consulting a certified INFINITI mechanic can provide clarity and ensure that your vehicle remains in optimal condition.

How to Diagnose and Fix Oil Leaks in an INFINITI FX37?

When dealing with oil leaks in your INFINITI FX37, it's essential to understand the common problems that may arise within the vehicle's oil system. One frequent issue is the deterioration of engine gaskets, which can lead to leaks around the valve covers or oil pan. Additionally, the oil cooler housing and its gasket are notorious for developing leaks, especially in older models. Another area to inspect is the oil filter; if it’s not properly tightened or if the filter itself is defective, it can cause oil to seep out. Furthermore, pay attention to the oil pressure; low readings can indicate a failing oil pump or a blockage in the oil passages, which may also contribute to leaks. If you notice oil pooling under your vehicle or a drop in oil levels, it’s crucial to act quickly. While some minor leaks can be temporarily managed with oil leak stoppers, persistent or severe leaks often require professional intervention to prevent further damage to the engine. By being aware of these common problems, you can take proactive steps to diagnose and address oil leaks, ensuring your INFINITI FX37 remains in optimal condition.

Why is it Critical to Address Oil Leaks in an INFINITI FX37?

Addressing oil leaks in your INFINITI FX37 is not just a matter of routine maintenance; it is a critical step in ensuring the safety and longevity of your vehicle. Ignoring even minor leaks can lead to a cascade of problems, including decreased oil levels that compromise engine lubrication. This lack of lubrication increases friction and heat, which can ultimately result in severe engine damage and costly repairs. Moreover, oil leaks can significantly impact your vehicle's performance, leading to inefficiencies that affect fuel consumption and overall driving experience. The urgency of addressing these leaks is further underscored by the safety hazards they pose; oil spills can create slippery surfaces, increasing the risk of accidents, and can also drip onto hot engine components, raising the potential for fire. By taking immediate action to fix oil leaks, you not only protect your investment but also ensure a safer driving environment, making it essential to prioritize this maintenance task.

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