2018 Genesis G80 Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2018 Genesis G80 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 2018 Genesis G80 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 Genesis G80 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 steps to diagnose the oil leak in a 2018 Genesis G80?

To effectively diagnose an oil leak in your 2018 Genesis G80, start by visually inspecting the engine bay and the area beneath the vehicle for any signs of oil stains or puddles, as these can help you locate the source of the leak. Next, check the oil level using the dipstick; a significant drop may indicate a leak that needs immediate attention. Pay close attention to the oil filter and drain plug, as these components are common culprits for leaks—ensure they are secure and free from oil residue. Additionally, examine the gaskets and seals around critical engine parts like the valve cover and oil pan for any signs of wear or damage, as these can often lead to leaks. If the source remains elusive, consider performing a pressure test, which can help identify leaks that are not easily visible. Should you find the process overwhelming or the issue complex, it’s wise to consult a professional mechanic who can provide a thorough diagnosis and recommend appropriate repairs. By following this systematic approach, you can effectively identify and address oil leaks in your vehicle.

What are the common causes of oil leaks in a 2018 Genesis G80?

When dealing with oil leaks in a 2018 Genesis G80, it's essential to understand the common culprits that may be at play. One frequent issue is the degradation of the oil pan gasket, which can wear out over time, leading to leaks. Similarly, a faulty valve cover gasket can cause oil seepage, making it crucial to inspect this area for any signs of wear. Another potential source of leaks is the oil filter housing gasket; if this component is compromised, it can result in significant oil loss. Additionally, damaged oil cooler lines are a concern, as cracks or breaks in these lines can lead to leaks that may go unnoticed until they cause more severe problems. Lastly, don't overlook the drain plug; a loose or improperly sealed drain plug can easily allow oil to escape from the oil pan. By regularly checking these components and addressing any issues promptly, DIY enthusiasts can maintain their vehicle's performance and prevent further engine damage.

How urgent is it to address the oil leak in my 2018 Genesis G80?

Addressing an oil leak in your 2018 Genesis G80 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 may result in severe engine damage over time. Furthermore, neglecting this problem can escalate into more serious complications, such as engine overheating or even catastrophic engine failure, which can be both costly and dangerous. Additionally, the presence of leaking oil poses a safety risk, as it can drip onto hot engine components, creating a fire hazard. By regularly monitoring for oil leaks and addressing them promptly, you can ensure the optimal performance and longevity of your vehicle. Therefore, if you notice any signs of an oil leak, it is crucial to take action without delay to safeguard your engine and maintain your vehicle's safety.

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