2014 Mazda 5 Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2014 Mazda 5 and How to Address Them Effectively

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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 2014 Mazda 5 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 5 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 the oil leak in a 2014 Mazda 5?

When diagnosing an oil leak in a 2014 Mazda 5, it's essential to adopt a systematic approach to effectively identify the source of the problem. Start by locating the leak; inspect the area beneath the vehicle for any visible oil drips or pools, and check for oil stains on the engine and surrounding components. Next, verify the oil level in the engine, as a significant drop may indicate a serious leak that requires immediate attention. Pay close attention to the oil filter and drain plug, ensuring they are secure and free from leaks; if the oil filter appears damaged, it should be replaced. Additionally, inspect the gaskets and seals around the oil pan and valve cover, as these areas are common culprits for leaks due to wear and tear. If the source remains elusive, consider adding UV dye to the engine oil, which can help illuminate the leak's location when viewed under a UV light. Should these steps not yield results, consulting a qualified mechanic is advisable, as they possess the expertise and tools necessary for a thorough diagnosis and repair. By following this methodical approach, you can effectively troubleshoot and address the oil leak in your Mazda 5.

What are the common causes of oil leaks in a 2014 Mazda 5?

When dealing with oil leaks in a 2014 Mazda 5, it's crucial 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 area that can wear out, allowing oil to escape. Additionally, the oil filter housing gasket can fail, resulting in leaks that may go unnoticed until they cause more serious problems. Another potential source of oil leaks is the rear main seal, which, if compromised, can lead to oil seeping from the engine. Lastly, don’t overlook the oil cooler lines, as leaks in these lines can also contribute to oil loss. Addressing these issues promptly is essential for maintaining engine health and performance, and regular inspections can help catch these problems early, allowing DIY enthusiasts to take action before they escalate.

How urgent is it to address the oil leak in my 2014 Mazda 5 to prevent potential engine damage or safety risks?

Addressing an oil leak in your 2014 Mazda 5 is not just a matter of routine maintenance; it is a critical step in safeguarding your vehicle's performance and your safety. An oil leak can lead to severe consequences, including inadequate lubrication of engine components, which increases friction and the risk of overheating. This can result in a loss of oil pressure, potentially causing engine parts to seize or fail, leading to expensive repairs or even the need for a complete engine replacement. Moreover, the presence of leaking oil poses a fire hazard, especially if it comes into contact with hot engine surfaces. Ignoring this issue can also diminish your vehicle's performance and fuel efficiency, ultimately risking engine failure if oil levels drop too low. Therefore, it is imperative to act swiftly and address any oil leaks to maintain the health of your Mazda 5 and ensure your safety on the road. Regular inspections and prompt repairs are essential to prevent these serious risks.

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