INFINITI EX35 Is Leaking Oil

Discover the Common Causes of Oil Leaks in Your INFINITI EX35 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 INFINITI EX35 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 EX35 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.

How to Diagnose and Fix Oil Leaks in an INFINITI EX35?

When tackling oil leaks in your INFINITI EX35, start by identifying the leak's presence, which can often be spotted as puddles or spots of oil beneath the vehicle. Once you confirm a leak, the next step is to locate its source; this involves a thorough inspection of the engine and surrounding components. Pay close attention to critical areas such as the oil pan, oil filter, drain plug, and oil cooler, as these are common culprits for leaks. Additionally, inspect the engine gaskets, particularly the valve cover and oil pan gaskets, as failures here can lead to significant oil loss. If you notice clear fluid leaking, take note of its color and consistency, as this can help you determine the type of fluid and narrow down the source of the leak. While many oil leaks can be diagnosed and fixed at home, if you find yourself uncertain or the problem appears complex, it’s wise to consult a professional mechanic to avoid further complications. By following this structured diagnostic approach, you can effectively address oil leaks, ensuring your vehicle runs smoothly and efficiently.

How to Address Oil Leaks in an INFINITI EX35?

When dealing with oil leaks in your INFINITI EX35, it's essential to understand the common problems that can arise within the vehicle's oil system. One frequent issue is the deterioration of gaskets and seals, such as the valve cover gasket or the rear main seal, which can lead to oil seeping out over time. Additionally, the oil drain plug and oil filter gasket are common culprits, especially if they have not been properly tightened or replaced during oil changes. Another area to inspect is the camshaft o-rings and crankshaft seal, as wear and tear can compromise their integrity, resulting in leaks. If you notice a significant drop in oil levels or see oil spots where you park, it’s crucial to identify the source promptly. While minor leaks may be addressed with an oil leak stopper, more severe issues often require professional inspection to prevent further damage. Regular maintenance, including checking oil levels and timely oil changes, can help mitigate these problems and ensure your engine runs smoothly. By being aware of these common failure modes, you can take proactive steps to maintain your INFINITI EX35 and address oil leaks effectively.

How Urgent is an Oil Leak in an INFINITI EX35?

An oil leak in your INFINITI EX35 is not just a minor inconvenience; it poses significant risks that require immediate attention. When you first spot a puddle of oil beneath your vehicle, it’s crucial to investigate the source without delay. While some leaks may stem from simple issues like a loose oil filter or drain plug, others could indicate severe problems that, if ignored, can lead to catastrophic engine damage. Low oil levels resulting from a leak can compromise engine performance, leading to rough idling, reduced power, and even triggering the check engine light. To prevent these complications, it’s essential to conduct a thorough inspection of your engine and undercarriage, focusing on common leak points such as the oil pan, valve cover gasket, and oil cooler. By addressing an oil leak promptly, you not only safeguard your vehicle’s performance but also protect your investment from costly repairs down the line.

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