INFINITI I35 Is Leaking Oil

Common Causes of Oil Leaks in Your INFINITI I35 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 INFINITI I35 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 I35 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 I35?

To effectively diagnose and fix oil leaks in your INFINITI I35, start with a systematic approach that prioritizes simpler checks before delving into more complex issues. Begin by identifying the source of the leak, which may stem from various components such as engine gaskets, oil system parts, or hoses. It's crucial to check the oil level, as a low level can indicate a leak or burning oil, prompting further investigation. Next, inspect the oil pressure sensor for any signs of damage or disconnection, as this can also trigger warning lights. If the leak remains elusive, applying flour or baby powder around suspected joints can help pinpoint the exact location. Pay special attention to the front of the vehicle, where common culprits include worn gaskets, corroded oil lines, or improperly secured oil filters. Finally, consult your INFINITI I35 factory service manual for detailed guidance on specific repairs, such as replacing spark plug tube seals if necessary. By following this diagnostic approach, you can efficiently address oil leaks and maintain your vehicle's performance.

How to Address Oil Leaks in an INFINITI I35?

When tackling oil leaks in your INFINITI I35, it's crucial to understand the common problems that may arise within the vehicle's oil system. Start by inspecting the oil system components, particularly the valve cover gasket, timing chain cover, and main engine gasket, as these are frequent culprits for leaks, especially when the engine operates at high speeds. Pay close attention to the oil pan, as leaks originating from this area can lead to significant oil loss and costly repairs if not addressed promptly. Additionally, the spark plug tube seal is another area to consider; if you notice leaks here, replacing the covers is essential to prevent future issues. Don’t overlook the oil filter, as leaks can occur around this component, often necessitating an oil and filter change. Lastly, examine the timing belt cover and the rear of the vehicle for signs of oil burning, which can indicate deeper engine problems. By systematically checking these areas, you can effectively identify and resolve oil leaks, ensuring your INFINITI I35 remains in optimal condition.

Why is it Critical to Address Oil Leaks in an INFINITI I35?

Addressing oil leaks in your INFINITI I35 is not just a matter of routine maintenance; it is essential for the longevity and safety of your vehicle. Ignoring an oil leak can lead to severe engine damage, as it often indicates underlying issues with critical components such as the oil system or engine gaskets. A decrease in oil pressure due to leaks can result in insufficient lubrication, increasing friction and the risk of overheating, which can ultimately lead to engine failure. Moreover, the financial implications of neglecting these leaks can be significant, as they may escalate into costly repairs or even necessitate a complete engine replacement. Regularly monitoring your oil levels and pressure, along with prompt inspections for leaks, can help mitigate these risks. If you suspect any malfunctioning parts, it is advisable to consult a certified INFINITI technician to ensure your vehicle remains in optimal condition. Taking these proactive steps not only preserves your vehicle's performance but also safeguards your investment in the long run.

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