2024 Lexus NX350 Is Leaking Oil

Troubleshooting Oil Leak Issues in Your 2024 Lexus NX350: Causes and Solutions

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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 2024 Lexus NX350 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 2024 Lexus NX350 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.

A bad oil level sensor may cause a false reading of the engine oil level. The oil level warning light may illuminate even when the oil level (checked manually) is within an acceptable range. The warning light may also come on and off intermittently if the sensor is faulty. An error code may be sent to the PCM and a check engine light may come on the dashboard as well if the sensor is bad.

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 initial steps to diagnose the oil leak in a 2024 Lexus NX350?

When diagnosing an oil leak in a 2024 Lexus NX350, start by visually inspecting the engine and surrounding components for any signs of oil seepage or drips. This initial step is crucial as it helps you locate the leak's source. Next, check the oil levels to ensure they are within the recommended range; a significant drop may indicate a leak. Don’t forget to inspect the undercarriage for any oil puddles, which can provide additional clues about the leak's location. Pay special attention to gaskets and seals, such as the valve cover gasket and oil pan gasket, as these are common culprits for oil leaks. If the leak remains elusive, consider adding UV dye to the engine oil, which can help you trace the leak using a UV light. If you still cannot identify the source, it may be wise to consult a qualified mechanic for a professional diagnosis. By following these steps, you can effectively begin the process of diagnosing an oil leak in your Lexus NX350.

What are the common causes of oil leaks in a 2024 Lexus NX350?

When dealing with oil leaks in a 2024 Lexus NX350, it's essential to understand the common problems that may arise. One of the primary culprits is degraded or damaged gaskets and seals, such as the valve cover gasket or oil pan gasket, which can deteriorate over time and lead to leaks. Additionally, worn or damaged oil filters and drain plugs can also be significant sources of oil leakage, often resulting from improper installation or wear and tear. Another factor to consider is the oil level; overfilling the engine oil can create excess pressure, causing oil to escape through weak points. Cracked oil pans are another potential issue, as they can develop leaks due to impacts or corrosion. Lastly, faulty oil cooler lines or connections can contribute to leaks, especially if they are not properly secured or have deteriorated. Regular maintenance and inspections are crucial in identifying these problems early, and if you notice oil spots under your vehicle or detect a burning oil smell, it’s vital to address these issues promptly to prevent further engine damage.

How urgent is it to address the oil leak in my 2024 Lexus NX350?

Addressing an oil leak in your 2024 Lexus NX350 is not just a matter of routine maintenance; it is an urgent issue that requires immediate attention. Oil leaks can significantly reduce oil levels, leading to inadequate lubrication of engine components, which can cause severe damage over time. Moreover, neglecting an oil leak can result in engine overheating, potentially leading to costly repairs or even complete engine failure. The safety risks associated with oil leaks cannot be overlooked either; leaking oil can drip onto hot engine parts, creating a fire hazard. By promptly addressing the oil leak, you not only safeguard your vehicle's performance and longevity but also protect yourself and others on the road. Therefore, if you notice any signs of an oil leak, it is crucial to take action without delay to prevent further complications and ensure the optimal functioning of your Lexus NX350.

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