2008 INFINITI FX35 Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2008 INFINITI FX35 and How to Address Them 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 2008 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 2008 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 2008 INFINITI FX35?

To effectively diagnose an oil leak in your 2008 INFINITI FX35, start by locating the source of the leak. Begin with a thorough visual inspection of the engine and the area beneath the vehicle, looking for any oil stains or puddles that could indicate where the leak is originating. Next, check the oil level using the dipstick; a significant drop in oil level can be a clear sign of a leak. Pay close attention to the gaskets and seals around critical engine components, such as the oil pan, valve cover, and oil filter, as these areas are common culprits for leaks due to wear or damage. Additionally, inspect the oil filter itself for any signs of leakage or damage, and ensure that the oil drain plug is securely tightened to prevent any oil from escaping. If the source of the leak remains elusive, consider performing a pressure test, which can help pinpoint the exact location of the leak. Should you find yourself unable to identify or resolve the issue, it is wise to consult a professional mechanic for a comprehensive diagnosis and repair. Following this systematic approach not only simplifies the process but also enhances your chances of successfully addressing the oil leak.

What are the common causes of oil leaks in a 2008 INFINITI FX35?

When dealing with oil leaks in a 2008 INFINITI FX35, it's crucial to understand the common culprits that may be at play. One of the primary issues is a worn or damaged oil pan gasket, which can deteriorate over time due to heat and exposure to oil, leading to leaks. Another frequent source of leaks is the valve cover gasket; as it ages, it can crack or become brittle, allowing oil to escape from the top of the engine. Additionally, the oil filter housing gasket can fail, particularly if it has not been replaced during routine maintenance, resulting in oil seeping out. The rear main seal, located at the back of the engine, is another potential leak point, as it can wear out and cause significant oil loss. Lastly, the seals around the oil cooler can also degrade, contributing to leaks. For DIY enthusiasts, regularly inspecting these areas and addressing any signs of wear can help maintain engine performance and prevent further damage.

How urgent is it to address the oil leak in my 2008 INFINITI FX35?

Addressing an oil leak in your 2008 INFINITI FX35 is crucial, as neglecting this issue can lead to serious consequences. The urgency of the situation largely depends on the severity of the leak; a minor leak may seem manageable, but even small losses can escalate quickly, risking engine damage if oil levels drop too low. Additionally, oil leaks pose safety hazards, particularly if oil seeps onto hot engine components, which can ignite and lead to fires. Beyond immediate safety concerns, the environmental impact of oil leaks cannot be overlooked, as they can contaminate soil and water sources. Furthermore, ignoring an oil leak can result in long-term damage to your engine, leading to costly repairs or even complete engine failure. Therefore, it is essential to assess the situation promptly and take action to ensure the safety and longevity of your vehicle.

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