2018 Kia Forte5 Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2018 Kia Forte5 and How to Address Them Effectively

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 2018 Kia Forte5 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 2018 Kia Forte5 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 2018 Kia Forte5?

When diagnosing an oil leak in your 2018 Kia Forte5, it's essential to adopt a systematic approach that prioritizes simpler checks before delving into more complex issues. Begin by locating the leak; inspect the area beneath your vehicle for any visible oil spots, which can help you pinpoint the source. Once you have a general idea, focus on the oil pan, as cracks or damage here are common culprits. Next, examine the oil filter to ensure it is securely installed and not leaking. Don’t overlook the oil drain plug; a loose plug can easily lead to leaks, so make sure it is tightened properly. Additionally, inspect the gaskets and seals around the engine, as wear and tear can contribute to oil loss. Throughout this process, monitor your oil levels closely; a significant drop can indicate a persistent leak. If these steps do not reveal the source of the problem, or if the leak continues, it may be time to consult a professional mechanic for a more thorough evaluation. This methodical approach not only helps in identifying the issue but also ensures that you address the simplest problems first, potentially saving you time and money.

What are the common causes of oil leaks in a 2018 Kia Forte5?

When dealing with oil leaks in a 2018 Kia Forte5, it's essential 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 leaks. Additionally, a faulty oil filter or its seal can also be a source of oil leakage, as any damage here can result in oil escaping from the filter housing. Another area to inspect is the valve cover gasket; if this gasket has aged or become compromised, it can allow oil to seep out. Furthermore, the oil drain plug should be checked for tightness and integrity, as a loose or damaged plug can easily cause oil to leak from the oil pan. Lastly, keep an eye out for any cracks in engine components, as these can lead to more severe oil leaks. Addressing these issues promptly is crucial for maintaining your vehicle's performance and preventing potential engine damage. Regular inspections and maintenance can help you catch these problems early, ensuring your Kia Forte5 remains in optimal condition.

How urgent is it to address the oil leak in my 2018 Kia Forte5 to prevent potential engine damage?

Addressing an oil leak in your 2018 Kia Forte5 is not just a matter of routine maintenance; it is a critical step in safeguarding your engine's health. Oil plays a vital role in lubricating engine components, and a leak can lead to insufficient lubrication, resulting in increased friction and wear. If left unchecked, this can escalate into severe engine damage, including overheating and loss of oil pressure, which are costly to repair. The urgency of the situation cannot be overstated; even a small leak can quickly lead to significant oil loss, compromising your engine's performance and longevity. Regularly checking your oil levels and promptly addressing any leaks is essential to prevent these serious consequences. By taking immediate action, you can avoid the risk of extensive damage and ensure your vehicle remains in optimal condition.

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.

2018 Kia Forte5 Car Leaking Oil: Causes & Repair Options