2017 Hyundai Elantra GT Is Leaking Oil

Address Oil Leaks in Your 2017 Hyundai Elantra GT Effectively

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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 2017 Hyundai Elantra GT 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 2017 Hyundai Elantra GT 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 steps should I take to diagnose the oil leak in my 2017 Hyundai Elantra GT?

To effectively diagnose an oil leak in your 2017 Hyundai Elantra GT, begin by visually inspecting the area beneath your vehicle for any signs of oil pooling or dripping, as this can help you pinpoint the leak's location. Once you have a general idea, check the oil pan for cracks or damage, as this is a common source of leaks. Next, ensure that the oil filter is securely installed and not leaking, followed by a check of the oil drain plug to confirm it is tight. After these initial checks, examine the valve cover gasket for wear, as a compromised gasket can lead to leaks. Additionally, inspect the oil cooler lines for any signs of damage and check the oil pressure sensor for leaks or malfunctions. Throughout this process, keep an eye on your oil levels; a significant drop can indicate an ongoing issue. By following this structured approach, you can systematically identify the source of the oil leak and take the necessary steps to resolve it.

What are the common causes of oil leaks in a 2017 Hyundai Elantra GT?

When dealing with oil leaks in a 2017 Hyundai Elantra GT, it's crucial to understand the common culprits that may be at play. One frequent issue is the deterioration of the oil pan gasket, which can wear out over time and lead to leaks. Similarly, the valve cover gasket, which seals the valve cover to the cylinder head, is prone to wear and can also result in oil seeping out. Another potential source of leaks is the oil filter housing gasket; if this gasket fails, it can create leaks in the engine bay. Additionally, the rear main seal, located at the back of the engine, can develop leaks, causing oil to seep out. Lastly, the oil cooler seal, responsible for regulating engine oil temperature, can fail and contribute to oil leaks. Addressing these issues promptly is essential to prevent further engine damage and maintain optimal vehicle performance. Regular inspections and maintenance can help DIY enthusiasts catch these problems early, ensuring a smoother and more reliable driving experience.

How urgent is it to address the oil leak in my 2017 Hyundai Elantra GT?

Addressing an oil leak in your 2017 Hyundai Elantra GT is not just a matter of routine maintenance; it is a pressing issue that requires immediate attention. An oil leak can significantly reduce your engine's oil levels, leading to inadequate lubrication, which is essential for the smooth operation of engine components. This lack of lubrication can result in increased friction, causing wear and tear that may ultimately lead to costly repairs or even engine failure. Furthermore, neglecting an oil leak can cause your engine to overheat, creating a risk of severe mechanical problems that could leave you stranded or, worse, result in a complete breakdown. Additionally, the safety implications cannot be overlooked; oil dripping onto hot engine parts poses a fire hazard, endangering both you and your vehicle. Therefore, it is crucial to act swiftly and address any signs of an oil leak to safeguard your car's performance and your safety on the road.

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