2017 Kia Optima Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2017 Kia Optima and How to Address Them Effectively

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Reviewed by
Aisha
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 Kia Optima 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 Kia Optima 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 2017 Kia Optima?

When diagnosing an oil leak in your 2017 Kia Optima, it's essential to adopt a systematic diagnostic approach that prioritizes simplicity and accessibility. Start by locating the leak; this involves checking underneath the vehicle for any visible oil spots or puddles, which can provide immediate clues about the source. Once you have a general area identified, inspect the oil pan, as it is often a common culprit. Look for any signs of damage or loose bolts that may need tightening. Next, turn your attention to the oil filter and oil drain plug, ensuring both are securely fastened and free from leaks. The valve cover gasket is another frequent source of oil leaks, so examine it for wear or damage. Additionally, don’t overlook the oil pressure sensor, which can also leak and is typically located near the oil filter. Finally, inspect other engine components like the cylinder head and timing cover for any signs of oil seepage. By following this methodical approach, you can effectively diagnose the oil leak and determine the necessary repairs, making your DIY experience more efficient and successful.

What are the common causes of oil leaks in a 2017 Kia Optima?

When dealing with oil leaks in a 2017 Kia Optima, 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. Similarly, a faulty valve cover gasket can cause oil to seep out, indicating a need for replacement. Another potential source of leaks is the oil filter; if it is loose or damaged, it can allow oil to escape from the engine. Additionally, cracked or worn seals around engine components, such as the crankshaft or camshaft, can also contribute to oil leaks. Lastly, overfilling the engine with oil can create excess pressure, resulting in leaks. By being aware of these common problems, DIYers can take proactive steps to inspect and address oil leaks, ensuring their Kia Optima remains in optimal condition. Regular maintenance and timely inspections are key to preventing further damage and maintaining engine performance.

How urgent is it to address the oil leak in my 2017 Kia Optima?

Addressing an oil leak in your 2017 Kia Optima is not just a matter of routine maintenance; it is a pressing concern that requires immediate attention. An oil leak can significantly reduce oil levels, leading to inadequate lubrication of engine components, which may result in severe engine damage over time. Furthermore, neglecting this issue can cause the engine to overheat, potentially leading to catastrophic mechanical failures that could leave you stranded or facing expensive repairs. The safety implications are equally alarming, as leaking oil can drip onto hot engine parts, creating a fire hazard. By taking prompt action to fix the oil leak, you not only safeguard your vehicle's performance but also protect yourself from the financial burden of extensive repairs and the dangers associated with engine malfunctions. Therefore, if you notice any signs of an oil leak, it is crucial to address the issue without delay to ensure the longevity and reliability of your Kia Optima.

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