2017 Hyundai Elantra Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2017 Hyundai Elantra 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 2017 Hyundai Elantra 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 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 are the initial steps to diagnose the oil leak in a 2017 Hyundai Elantra?

When diagnosing an oil leak in a 2017 Hyundai Elantra, it's essential to adopt a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by locating the leak; inspect the area beneath the vehicle for any visible oil spots or drips, which can provide immediate clues about the source. Next, examine the oil pan for any signs of cracks or damage, as this is a common culprit for leaks. It's also crucial to check the oil filter to ensure it is securely installed and not leaking. Don’t overlook the oil drain plug; ensure it is tightened properly, as a loose plug can lead to significant oil loss. Additionally, inspect all gaskets and seals, particularly around the oil pan, oil filter, and valve cover, since these components can wear out and become sources of leaks. Finally, monitor your oil levels regularly to gauge the rate of loss, which can help you narrow down the leak's location. By following these steps, you can effectively diagnose and address the oil leak in your vehicle, ensuring it runs smoothly and efficiently.

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

When diagnosing oil leaks in a 2017 Hyundai Elantra, it's crucial to understand the common culprits that may be at play. One frequent issue is a worn or damaged oil pan gasket, which can deteriorate over time and lead to significant leaks. Another potential source is the valve cover gasket, which seals the valve cover to the cylinder head; if this gasket fails, it can allow oil to escape. Additionally, the oil filter housing gasket is another area to inspect, as wear and tear can result in leaks around the oil filter. The rear main seal, located at the back of the engine, is also known to develop leaks as the vehicle ages, while the oil cooler gasket can fail, causing oil to leak from the engine. Addressing these issues promptly is essential to prevent further engine damage and maintain optimal vehicle performance. Regular inspections and maintenance can help you catch these problems early, ensuring your Elantra runs smoothly.

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

Addressing an oil leak in a 2017 Hyundai Elantra 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 the engine, which can result in severe engine damage over time. Furthermore, neglecting an oil leak can cause the engine to overheat, potentially leading to catastrophic mechanical failures that could leave you stranded or necessitate costly repairs. Additionally, the safety risks associated with oil leaks cannot be overlooked; oil dripping onto hot engine components poses a fire hazard, endangering both the vehicle and its occupants. Therefore, it is crucial to address any signs of an oil leak promptly to safeguard your vehicle's performance and ensure your safety on the road.

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