2012 Kia Sportage Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2012 Kia Sportage 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 2012 Kia Sportage 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 Kia Sportage 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 2012 Kia Sportage?

To effectively diagnose an oil leak in your 2012 Kia Sportage, begin by investigating the leak's location. Utilize a white plastic plate or cardboard placed under the vehicle to catch any dripping oil, which will help you identify the general area of the leak. Next, thoroughly clean the suspected areas, including the oil pan and valve cover gaskets, using a degreaser to remove old oil and grime. This step is crucial as it allows you to see new oil leaks more clearly when you run the engine. After cleaning, start the engine and observe for fresh oil droplets or streams, which will help pinpoint the exact source of the leak. Pay special attention to common leak points such as the oil pressure sensor and various gaskets, as these are frequent culprits. Lastly, monitor your oil levels and engine performance; a rapid drop in oil level or warning lights on the dashboard can indicate a significant leak that requires immediate attention. By following this methodical approach, you can effectively diagnose and address oil leaks in your vehicle.

What are the common causes of oil leaks in a 2012 Kia Sportage?

When tackling oil leaks in a 2012 Kia Sportage, it's essential to understand the common culprits that may be contributing to the problem. The valve cover gasket is often the first suspect, as it can harden over time, leading to leaks around the valve cover and spark plug wells. Another frequent source is the oil pan; if it’s not sealed properly or if the bolts are loose, oil can escape from the bottom of the engine. Additionally, the front crankshaft seal can wear out, causing oil to leak onto critical components like the timing belt. The timing cover is also a potential leak point, especially if it was recently serviced and not sealed correctly. Don’t overlook the oil filter and housing, as a loose filter or a damaged gasket can lead to significant leaks. Lastly, while less common, worn piston rings can allow oil to seep into the combustion chamber, resulting in leaks. By systematically inspecting these areas, DIYers can often pinpoint the source of the leak and take appropriate action to resolve it.

How urgent is it to address the oil leak in my 2012 Kia Sportage?

Addressing an oil leak in your 2012 Kia Sportage is not just a matter of routine maintenance; it is an urgent issue that demands immediate attention. Ignoring this problem can lead to severe engine damage, as insufficient lubrication can cause critical components to overheat and wear down, potentially resulting in total engine failure. The performance and efficiency of your vehicle will also suffer, with low oil levels leading to decreased fuel economy and increased wear on engine parts. Moreover, the immediate consequences of neglecting an oil leak can manifest as smoke from the engine or the smell of burning oil, clear indicators that your engine is already in distress. To avoid the costly repercussions of extensive repairs, it is essential to diagnose and repair the leak promptly, whether through professional assistance or a thorough DIY approach. By acting quickly, you can safeguard your vehicle's health and ensure its reliable performance for years to come.

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