2014 Mazda 6 Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2014 Mazda 6 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 2014 Mazda 6 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 2014 Mazda 6 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 steps should I take to diagnose the oil leak in my 2014 Mazda 6?

To effectively diagnose an oil leak in your 2014 Mazda 6, begin with a systematic approach that prioritizes simplicity before delving into more complex assessments. Start by locating the leak; check beneath your vehicle for any visible oil spots or puddles, as this can provide immediate clues about the leak's origin. Next, inspect the engine components, focusing on areas like the oil pan, valve cover gasket, oil filter, and oil drain plug, as these are common culprits for leaks. It's also essential to check your oil level; a significant drop may indicate a leak that needs urgent attention. Pay special attention to the oil filter, as any signs of damage or leakage here can exacerbate the problem. Additionally, examine the oil pan for cracks and ensure the oil drain plug is securely tightened, as a loose plug can lead to significant oil loss. If these steps do not reveal the source of the leak or if the situation appears complicated, it may be wise to consult a professional mechanic who can provide a thorough diagnosis and repair. By following this structured approach, you can efficiently identify and address the oil leak in your vehicle.

What are the common causes of oil leaks in a 2014 Mazda 6?

When dealing with oil leaks in a 2014 Mazda 6, 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 significant leaks. Similarly, the valve cover gasket is another critical component that, if compromised, can result in oil seepage. Additionally, the oil filter housing gasket may degrade, causing oil to escape from this area. It's also important to inspect the oil cooler lines, as any damage or wear can lead to leaks. Lastly, a cracked or damaged oil pan itself can be a source of oil loss. Addressing these problems promptly is crucial to maintaining your vehicle's performance and preventing further damage. Regular inspections and maintenance can help you catch these issues early, ensuring your Mazda 6 runs smoothly.

How urgent is it to address the oil leak in my 2014 Mazda 6 to prevent potential engine damage?

Addressing an oil leak in your 2014 Mazda 6 is not just a matter of routine maintenance; it is an urgent necessity to safeguard 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 overheating. This not only diminishes engine performance but can also accelerate wear and tear on essential parts. Furthermore, as oil levels drop due to a leak, the risk of the engine running dry escalates, which can lead to catastrophic damage and expensive repairs. Ignoring this issue could mean facing severe consequences, including complete engine failure. Therefore, it is crucial to act swiftly and address any signs of an oil leak to ensure the longevity and reliability of your vehicle.

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