2015 Kia Cadenza Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2015 Kia Cadenza and How to Address Them Effectively

Find Repair Location
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 2015 Kia Cadenza is leaking oil are oil system component failure and leaking engine gaskets.
  • Oil System Components: A failure in oil system components, such as a worn oil pump or clogged oil filter, can lead to 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 2015 Kia Cadenza 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 are the steps to diagnose the oil leak in a 2015 Kia Cadenza?

To effectively diagnose an oil leak in your 2015 Kia Cadenza, start with a thorough visual inspection of the vehicle. Look for any oil spots on the ground where the car is parked, as these can indicate the presence of a leak. Next, check the oil level using the dipstick; a low oil level may suggest that oil is escaping from the system. After confirming the oil level, inspect key components of the oil system, including the oil pan, oil filter, drain plug, and oil cooler, for any visible signs of leakage. Pay special attention to the engine gaskets, such as the valve cover gasket and oil pan gasket, as these are common sources of leaks. If the source remains elusive, consider using an oil pressure gauge to assess the engine's oil pressure, which can reveal underlying issues. Should you still be unable to identify the leak, it may be wise to consult a professional mechanic who can utilize specialized tools to accurately diagnose the problem. By following this structured approach, you can systematically identify and address any oil leaks in your vehicle.

What are the common causes of oil leaks in a 2015 Kia Cadenza?

When dealing with oil leaks in a 2015 Kia Cadenza, it's essential to understand the common culprits that may be at play. One of the primary causes is the failure of oil system components, which can lead to significant leaks if not addressed. Additionally, leaking engine gaskets are a frequent issue, often resulting from wear and tear over time. External factors, such as damage from an accident or an improperly tightened drain plug, can also contribute to oil leaks, making it crucial to inspect these areas carefully. Furthermore, if you notice oil mixing with coolant, this could indicate more severe problems like an internal oil cooler leak, a failed head gasket, or even a cracked engine block. Addressing these issues promptly is vital, as oil leaks can pose serious hazards, including the risk of fire if oil comes into contact with hot engine components. By being aware of these common causes, DIY enthusiasts can take proactive steps to diagnose and resolve oil leaks in their Kia Cadenza.

How urgent is it to address the oil leak in my 2015 Kia Cadenza?

When dealing with an oil leak in your 2015 Kia Cadenza, understanding the urgency of the situation is crucial to prevent further damage and ensure your vehicle's safety. A minor leak may not require immediate action, but neglecting it can lead to more significant issues over time, such as engine wear or overheating. Conversely, if you notice a rapid loss of oil, it is imperative to address the leak without delay, as running your engine low on oil can result in catastrophic damage. Regularly monitoring your oil levels is essential; if you find yourself frequently topping off the oil between changes, this is a clear indicator that the leak needs urgent attention. While it may be possible to drive with a leak, doing so without proper oversight can compromise your engine's lubrication and overall performance. Therefore, whether the leak is minor or severe, taking timely action is vital to maintain the health of your vehicle and avoid costly repairs down the line.

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.