2021 Kia Forte Is Leaking Oil

Troubleshooting Oil Leaks in Your 2021 Kia Forte: Common Causes and Repair Solutions

Find Repair Location
Reviewed by
Bo Fader
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 2021 Kia Forte 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 2021 Kia Forte 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.

What steps should I take to diagnose the oil leak in my 2021 Kia Forte?

To effectively diagnose an oil leak in your 2021 Kia Forte, begin by locating the source of the leak, which often involves checking for visible oil spots under the vehicle. Once you have identified a potential area, inspect the oil pan for any cracks or damage, as this is a common culprit. Next, examine the oil filter for signs of leakage, ensuring it is properly secured and not damaged. The oil drain plug should also be checked to confirm it is tightly fastened, as a loose plug can lead to leaks. Additionally, inspect the valve cover gasket, which frequently wears out and can be a source of oil leaks. Don’t overlook the oil cooler lines and the oil pressure sensor, as these components can also contribute to oil loss if they are damaged or improperly connected. Throughout this process, keep an eye on your oil levels; a significant drop over time can indicate a leak that needs addressing. By following this methodical approach, you can effectively diagnose and address the oil leak in your vehicle.

What are the common causes of oil leaks in a 2021 Kia Forte?

When dealing with oil leaks in a 2021 Kia Forte, it's essential to understand the common problems that may arise. One frequent issue is a worn or damaged oil pan gasket, which can lead to oil seepage as it deteriorates over time. Similarly, valve cover gasket leaks are another prevalent concern; this gasket, which seals the valve cover to the cylinder head, can also wear out, resulting in oil escaping. Additionally, the oil filter housing gasket can fail, causing leaks at the connection point to the engine. A faulty oil drain plug is another potential source of leaks; if it is loose or damaged, oil can easily escape from the oil pan. Lastly, more severe issues such as cracked engine components, including the engine block or cylinder head, can lead to significant oil loss. For Kia Forte owners, promptly addressing these leaks is crucial to prevent engine damage and maintain vehicle performance. Regular inspections and maintenance can help catch these issues early, allowing for DIY repairs that can save time and money.

How urgent is it to address the oil leak in my 2021 Kia Forte?

Addressing an oil leak in your 2021 Kia Forte is not just a matter of routine maintenance; it is a critical issue that demands immediate attention. Oil plays a vital role in lubricating engine components, and a leak can lead to insufficient lubrication, resulting in increased friction and wear that may ultimately damage the engine. Furthermore, neglecting an oil leak can cause a drop in oil pressure, which can lead to overheating and catastrophic engine failure. The risks extend beyond mechanical failure; leaking oil can drip onto hot engine parts, creating a fire hazard that poses a serious safety threat. By addressing the oil leak promptly, you not only safeguard your vehicle's performance but also prevent more extensive and costly repairs down the line. Therefore, if you notice any signs of an oil leak, it is imperative to take action immediately to ensure the longevity and safety of your Kia Forte.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.