2014 Lexus ES350 Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2014 Lexus ES350 and How to Address Them Effectively

Find Repair Location
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 2014 Lexus ES350 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 2014 Lexus ES350 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

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 steps should I take to diagnose the oil leak in my 2014 Lexus ES350?

When diagnosing an oil leak in your 2014 Lexus ES350, it's essential to adopt a systematic approach that begins with the most accessible checks. Start by locating the leak; inspect the area beneath your vehicle for any visible oil spots or puddles, which can provide immediate clues about the leak's origin. Next, turn your attention to the engine components, focusing on the oil pan, valve cover gasket, oil filter, and oil drain plug, as these are common culprits for leaks. Checking the oil level is also crucial; a significant drop may indicate a leak that needs urgent attention. Pay special attention to the oil filter, as a damaged or improperly installed filter can lead to leaks. Additionally, examine the oil pan for cracks and the valve cover gasket for signs of wear. If these initial inspections do not reveal the source of the leak, or if the problem appears to be more complex, it may be wise to consult a professional mechanic who can provide a thorough diagnosis and repair. By following this structured diagnostic approach, you can effectively identify and address the oil leak in your vehicle.

What are the common causes of oil leaks in a 2014 Lexus ES350?

When dealing with oil leaks in a 2014 Lexus ES350, it's crucial to understand the common culprits that may be at play. One frequent issue is a degraded oil pan gasket, which can deteriorate over time and lead to noticeable oil seepage. Additionally, worn valve cover gaskets are another common source of leaks, often resulting in oil escaping from the top of the engine. It's also important to check the oil filter housing gasket, as a faulty seal in this area can cause oil to leak around the oil filter. Furthermore, leaking oil cooler lines, particularly at their connection points, can contribute to oil loss. Lastly, a damaged or improperly installed oil drain plug can be a simple yet significant cause of leaks from the oil pan. Addressing these issues promptly is essential for maintaining engine health and performance, making it vital for DIYers to be aware of these potential problems.

How urgent is it to address an oil leak in a 2014 Lexus ES350?

When dealing with an oil leak in a 2014 Lexus ES350, understanding the urgency of the situation is crucial. The severity of the leak plays a significant role; a minor leak may seem manageable, but a major leak can lead to substantial oil loss, risking engine damage if not addressed quickly. Oil is vital for lubricating engine components, and a leak can result in inadequate lubrication, increasing friction and wear, which ultimately compromises engine performance and longevity. Moreover, safety should never be overlooked; oil leaking onto hot engine parts can create fire hazards, making immediate attention essential. Additionally, postponing repairs can escalate the problem, leading to more extensive damage and significantly higher repair costs. Therefore, it is advisable to act swiftly when an oil leak is detected to safeguard your vehicle's performance, ensure safety, and avoid costly repairs in the future.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.

2014 Lexus ES350 Oil Leak Solutions & Repairs | RepairPal