2012 Hyundai Genesis Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2012 Hyundai Genesis and How to Fix Them

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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 2012 Hyundai Genesis 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 2012 Hyundai Genesis 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.

How can I diagnose and fix the oil leak in my 2012 Hyundai Genesis?

To effectively diagnose and fix an oil leak in your 2012 Hyundai Genesis, begin with a comprehensive visual inspection of the engine. Pay close attention to common leak sources such as the valve cover gasket, oil filter, crankshaft oil seal, and head gasket, looking for any signs of oil accumulation or wetness. If the source of the leak isn't immediately visible, consider conducting a pressure test, which can help reveal leaks that are not apparent to the naked eye. Additionally, utilizing an oil leak dye test can pinpoint the exact location of the leak, simplifying the repair process. Once you have identified the leak, evaluate its severity. Minor leaks, particularly from the valve cover gasket or oil filter, can often be addressed through DIY repairs, such as replacing the gasket or ensuring the filter is securely tightened. However, if the leak originates from the head gasket or crankshaft oil seal, these repairs are more intricate and may necessitate professional help. Regularly checking your oil levels and considering oil additives as a temporary fix can also help manage minor leaks. By following this structured diagnostic approach, you can effectively tackle the oil leak and ensure your vehicle remains in good working condition.

What are the common causes of oil leaks in a 2012 Hyundai Genesis?

When dealing with oil leaks in a 2012 Hyundai Genesis, it's essential to understand the common culprits that could be causing the problem. One frequent issue arises from incorrect oil filter installation, where a misaligned gasket or the use of an inappropriate gasket thickness can lead to leaks. Additionally, even if the valve cover gasket has been recently replaced, improper seating or surface imperfections can still result in oil seeping out. Another significant source of leaks is the head gasket; if this component is faulty, it may require professional intervention to ensure a proper fix. The rear main seal is also notorious for leaking, often resulting in oil pooling beneath the vehicle. Furthermore, wear and tear on pistons, rings, and cylinders can contribute to oil loss, as can other seals like the crankshaft oil seal. Lastly, be mindful of potential post-maintenance issues, as improper tightening during oil changes can lead to leaks. For those looking to tackle these problems themselves, a thorough inspection of these areas can help identify the source of the leak and guide you toward an effective solution.

How urgent is it to address the oil leak in my 2012 Hyundai Genesis?

Addressing an oil leak in your 2012 Hyundai Genesis is not just a matter of routine maintenance; it is an urgent issue that demands immediate attention. Ignoring an oil leak can lead to severe engine damage, as the engine relies on a steady supply of oil to lubricate its components. A drop in oil levels can cause overheating, resulting in premature wear and potentially catastrophic engine failure, which can be financially devastating. Furthermore, an oil leak can significantly impair your vehicle's performance and fuel efficiency, leading to a rough-running engine and increased fuel consumption. The safety implications are equally concerning; low oil levels can cause the engine to overheat, risking breakdowns or even fires. Additionally, oil leaks can create hazardous conditions on the road, posing risks not only to you but also to other drivers. Beyond the engine, oil can damage various components, including electrical systems and intake parts, leading to further costly repairs. Therefore, it is crucial to diagnose and repair any oil leaks promptly to safeguard your vehicle's performance, your safety, and your wallet.

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2012 Hyundai Genesis Oil Leak Diagnosis & Repair | RepairPal