2016 Kia Sorento Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2016 Kia Sorento 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 2016 Kia Sorento 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 2016 Kia Sorento 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 diagnostic steps to identify the cause of the oil leak in a 2016 Kia Sorento?

To effectively diagnose the cause of an oil leak in your 2016 Kia Sorento, start with a thorough visual inspection of the vehicle. Look for any oil stains on the ground where the car is parked, as well as signs of oil residue in the engine compartment, particularly around the oil filter, valve cover, and oil pan. Next, check the oil levels and condition; a significant drop in oil levels can indicate a leak, while unusual oil color or consistency may point to specific issues. Pay attention to dashboard warning lights, especially the oil light, which can signal low oil levels or pressure problems. Additionally, listen for any unusual sounds from the engine, such as grinding or clattering, which may suggest insufficient lubrication due to a leak. Inspect common leak areas like the oil drain plug, gaskets, and hoses for visible damage. If the source of the leak remains elusive, consider using diagnostic tests like a dye test to pinpoint the issue. Finally, be aware of historical problems reported by other Sorento owners, such as issues with the rear main seal or oil pressure switch, which could guide your investigation. If you feel overwhelmed at any point, seeking professional help is always a wise choice to ensure your vehicle is properly diagnosed and repaired.

What are the common causes of oil leaks in a 2016 Kia Sorento?

When addressing oil leaks in a 2016 Kia Sorento, it's crucial to recognize the various common problems that may arise within the vehicle's oil system. A frequent source of leaks is the failure of key oil system components, including the oil pressure switch, oil pan gaskets, and oil filter O-rings. For instance, a faulty oil pressure switch can result in oil pooling on the engine, signaling an urgent need for repair. Additionally, as engine gaskets, such as head gaskets and oil pan gaskets, age, they can deteriorate and lose their sealing effectiveness, leading to leaks. The oil pressure sensor can also be a source of confusion; it may be mistaken for a rear seal leak, but often, replacing the sensor or using a gasket sealer can effectively resolve the issue. Moreover, problems with head bolts can lead to significant leaks, sometimes requiring expensive repairs like short block replacement. Lastly, while not always apparent, issues with the Positive Crankcase Ventilation (PCV) system or piston seals can cause oil to be consumed internally rather than leaking externally. To mitigate these problems, regular maintenance and close monitoring of oil levels are essential for maintaining the health and longevity of your Kia Sorento.

How urgent is it to address the oil leak in my 2016 Kia Sorento?

Addressing an oil leak in your 2016 Kia Sorento is not just a matter of convenience; it is a pressing issue that requires immediate attention. Ignoring this problem can lead to severe engine damage, as evidenced by cases where owners faced costly repairs due to undiagnosed issues like faulty head bolts. Furthermore, allowing the oil level to drop can result in catastrophic engine failure, which can occur even without visible leaks, putting you at risk of being stranded or, worse, causing an accident while driving. The safety implications are particularly concerning if you transport passengers, as a sudden engine failure can lead to dangerous situations on the road. Additionally, an oil leak may signal other underlying problems, such as issues with the valve cover gasket or timing chain cover, which can compound the situation if not addressed promptly. While topping off the oil may seem like a quick fix, it is merely a temporary solution that can lead to more expensive repairs down the line. Therefore, it is crucial to seek a professional diagnosis and repair as soon as possible to safeguard your vehicle's performance and your safety.

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