2010 INFINITI FX35 Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2010 INFINITI FX35 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 2010 INFINITI FX35 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 2010 INFINITI FX35 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 2010 INFINITI FX35?

To effectively diagnose an oil leak in a 2010 INFINITI FX35, start by visually inspecting the engine and the area beneath the vehicle for any signs of oil accumulation or drips. This initial step helps you locate the source of the leak, which is crucial for determining the next course of action. Once you have a general idea of where the leak might be coming from, check the oil level in the engine; a significant drop could indicate a serious issue that needs immediate attention. Next, examine the oil filter and drain plug for any signs of looseness or leakage, as these are common culprits. If everything appears secure, turn your focus to the gaskets and seals around the oil pan, valve cover, and oil filter housing, looking for any signs of wear or damage that could be allowing oil to escape. For a more thorough investigation, consider adding UV dye to the engine oil and using a UV light to pinpoint the leak, as the dye will illuminate under the light. If the source remains elusive, performing a pressure test on the oil system can help identify leaks in the oil lines or connections. Should these methods not yield results, or if the problem seems complex, consulting a mechanic is advisable to ensure a professional diagnosis and repair. This systematic approach not only helps in identifying the leak but also ensures that you address the issue efficiently and effectively.

What are the common causes of oil leaks in a 2010 INFINITI FX35?

When diagnosing oil leaks in a 2010 INFINITI FX35, it's crucial 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 at the bottom of the engine. Additionally, valve cover gaskets are another common source of leaks, as they can become brittle and allow oil to escape from the top of the engine. The oil filter housing gasket is also a potential problem area; if it fails, oil can leak around the oil filter, creating a mess and potentially leading to engine damage. Furthermore, the rear main seal, located at the back of the engine, is prone to wear and can result in significant oil loss if it develops a leak. Lastly, the seals around the oil cooler can deteriorate, causing oil to leak in that area as well. Addressing these issues promptly is essential for maintaining engine health, and regular inspections can help catch these problems early, allowing DIY enthusiasts to take action before they escalate.

How urgent is it to address the oil leak in my 2010 INFINITI FX35?

When it comes to your 2010 INFINITI FX35, addressing an oil leak is not just a matter of routine maintenance; it is a pressing concern that requires immediate attention. Ignoring an oil leak can lead to a cascade of problems, including significant engine damage due to low oil levels, which can ultimately result in costly repairs or even complete engine failure. The risk of overheating increases as oil levels drop, putting your vehicle's performance and reliability at stake. Moreover, an oil leak poses safety hazards, such as slippery road conditions that can lead to accidents or the potential for fires if the oil ignites upon contact with hot engine parts. Therefore, it is crucial to act swiftly and resolve any oil leak issues to ensure the safety, performance, and longevity of your vehicle.

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2010 INFINITI FX35 Leaking Oil: Causes & Repair Costs