2018 Hyundai Santa Fe Sport Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2018 Hyundai Santa Fe Sport and How to Fix Them

Find Repair Location
Reviewed by
Devin Cabugcal
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 2018 Hyundai Santa Fe Sport 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 2018 Hyundai Santa Fe Sport 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.

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 an oil leak in a 2018 Hyundai Santa Fe Sport?

To effectively diagnose an oil leak in your 2018 Hyundai Santa Fe Sport, begin by checking the oil level in the engine, as a significant drop may indicate a leak. Next, inspect the area beneath the vehicle for any oil spots or puddles, which can help you determine the leak's location. It's also important to examine the engine bay and undercarriage for any signs of oil residue or buildup, as this can point to the source of the leak. Pay close attention to the oil filter and drain plug, checking for any signs of looseness or leakage. Additionally, inspect gaskets and seals, including the valve cover gasket and oil pan gasket, for any visible signs of oil escaping. If the leak remains elusive, consider adding UV dye to the engine oil; this will allow you to use a UV light to trace the leak's origin more effectively. By following these steps, you can systematically identify and address the oil leak in your vehicle, ensuring a more efficient and informed repair process.

What are the common causes of oil leaks in a 2018 Hyundai Santa Fe Sport?

Understanding the common causes of oil leaks in a 2018 Hyundai Santa Fe Sport is crucial for any DIY enthusiast looking to maintain their vehicle. One of the primary culprits is the oil pan gasket, which can degrade over time, leading to leaks that may go unnoticed until they cause significant issues. Additionally, the valve cover gasket is another frequent source of leaks; if it becomes worn, oil can escape from the top of the engine, creating a mess and potentially affecting engine performance. It's also important to check the oil filter and drain plug, as improper installation or damage can result in leaks. Furthermore, a cracked or damaged oil cooler can contribute to oil loss, making it essential to inspect this component as well. Lastly, various seals and gaskets throughout the engine can deteriorate, leading to leaks that may not be immediately apparent. By being aware of these common problems and conducting regular maintenance, you can effectively address oil leaks and ensure your Hyundai Santa Fe Sport runs smoothly.

How urgent is it to address the oil leak in a 2018 Hyundai Santa Fe Sport?

Addressing an oil leak in your 2018 Hyundai Santa Fe Sport is not just a matter of routine maintenance; it is a pressing issue that requires immediate attention. Ignoring an oil leak can lead to a significant drop in oil levels, which compromises engine lubrication and can result in severe engine damage over time. Furthermore, the risks escalate as neglecting this problem may lead to overheating or even catastrophic engine failure, which can be both costly and dangerous. The safety implications are equally concerning, as leaking oil can drip onto hot engine components, creating a fire hazard. By prioritizing the repair of an oil leak, you not only safeguard your vehicle's performance but also protect yourself and others on the road from potential hazards. Therefore, it is crucial to act swiftly to mitigate these risks and ensure the longevity and safety of your vehicle.

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.