2006 INFINITI G35 Is Leaking Oil

Identifying Common Causes of Oil Leaks in Your 2006 INFINITI G35 and How to Address Them

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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 2006 INFINITI G35 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 2006 INFINITI G35 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 potential causes of an oil leak in a 2006 INFINITI G35, and how can I diagnose them?

When diagnosing an oil leak in your 2006 INFINITI G35, it's essential to adopt a systematic approach that begins with the most accessible components. Start by inspecting the valve cover gasket, as this is a frequent source of leaks due to wear or damage. If the gasket appears intact, move on to the oil pan gasket, which can also deteriorate over time and lead to leaks. Next, check the oil filter to ensure it is securely fastened; a loose or damaged filter can easily cause oil to escape. Don’t overlook the oil drain plug, as a loose connection here can result in significant leaks from the oil pan. Additionally, examine the oil cooler and oil pressure sensor for any signs of leaks or faults, as these components can also contribute to oil loss. By following this diagnostic order, you can effectively identify the source of the leak and take the necessary steps to resolve the issue, ensuring your vehicle remains in optimal condition.

What are the common causes of oil leaks in a 2006 INFINITI G35?

When diagnosing oil leaks in a 2006 INFINITI G35, it's crucial to understand the common culprits that may be at play. One frequent issue is the degradation of valve cover gaskets, which can lead to noticeable oil seepage around the valve covers as they age. Additionally, the oil pan gasket is another potential source of leaks; it can wear out or sustain damage, resulting in oil leaking from the engine's underside. Another area to inspect is the rear main seal, located at the back of the engine, which can deteriorate over time and cause oil to leak near the transmission. Furthermore, the seals surrounding the camshaft and crankshaft are also prone to failure, allowing oil to escape from the engine. Lastly, don't overlook the oil filter housing gasket, as leaks in this area can lead to oil dripping from the filter. Addressing these leaks promptly is essential to prevent further engine damage and ensure your vehicle runs smoothly. Regular inspections and maintenance can help you catch these issues early, allowing for effective DIY repairs.

How urgent is it to address the oil leak in my 2006 INFINITI G35?

Addressing an oil leak in your 2006 INFINITI G35 is not just a matter of routine maintenance; it is a pressing issue that requires immediate attention. Oil leaks can significantly reduce your engine's oil levels, leading to inadequate lubrication, which can cause severe engine wear and tear over time. This neglect can escalate into more serious problems, such as engine overheating or even catastrophic engine failure, which can be costly to repair. Moreover, an oil leak poses a safety risk, as oil can drip onto hot engine components, increasing the likelihood of a fire. Therefore, if you notice any signs of an oil leak, it is crucial to act swiftly to prevent further damage and ensure the safety and reliability of your vehicle. Taking the time to address this issue promptly can save you from more extensive repairs and keep your G35 running smoothly for years to come.

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