2008 INFINITI FX45 Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2008 INFINITI FX45 and How to Address Them Effectively

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Reviewed by
Aisha
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 FX45 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 FX45 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.

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 FX45?

To effectively diagnose an oil leak in your 2008 INFINITI FX45, begin with a thorough inspection of the engine bay, undercarriage, and parking area to locate any visible signs of oil. Checking the oil level with the dipstick is crucial, as a significant drop may indicate a serious leak that needs immediate attention. Pay special attention to the oil filter and drain plug, as these are common culprits for leaks; ensure they are securely fastened and free from damage. Next, examine the gaskets and seals around key engine components, such as the valve cover and oil pan, for any signs of wear or deterioration. For a more precise diagnosis, consider adding UV dye to the engine oil and using a UV light to help pinpoint the leak's source. If the leak remains undetected, performing a pressure test on the oil system can reveal hidden leaks that are not easily visible. If these steps do not resolve the issue, it is wise to consult a professional mechanic for a thorough evaluation and repair. By following this methodical approach, you can effectively identify and address the oil leak in your vehicle.

What are the common causes of oil leaks in a 2008 INFINITI FX45?

When dealing with oil leaks in a 2008 INFINITI FX45, 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 wear and can allow oil to escape from the top of the engine, creating visible leaks. Another area to inspect is the oil filter housing gasket; if this component fails, it can result in oil leaking around the oil filter, which is often a messy situation. Additionally, the rear main seal, located at the back of the engine, can develop leaks that cause oil to drip onto the ground, indicating a more serious problem. Lastly, the seals around the oil cooler can also deteriorate, leading to oil leaks. Addressing these issues promptly is crucial for maintaining engine health and performance, so regular inspections and maintenance are highly recommended for any DIY enthusiast looking to keep their vehicle in top shape.

How urgent is it to address the oil leak in a 2008 INFINITI FX45?

When dealing with an oil leak in a 2008 INFINITI FX45, understanding the urgency of the situation is crucial for maintaining vehicle performance and safety. A minor leak may seem manageable, but even small leaks can lead to significant oil loss over time, compromising engine lubrication and potentially resulting in costly repairs. More severe leaks pose immediate risks, such as engine damage or safety hazards like fire, especially if oil drips onto hot engine parts. Additionally, neglecting an oil leak can have environmental repercussions, as spilled oil can contaminate soil and water sources. Therefore, it is essential to assess the severity of the leak and act swiftly. Promptly addressing the issue not only protects your vehicle's integrity but also ensures your safety on the road and minimizes environmental impact. If you suspect an oil leak, consulting a qualified mechanic for a thorough inspection is highly recommended to determine the best course of action.

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2008 INFINITI FX45 Leaking Oil: Causes & Repair Costs