2013 Mazda 6 Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2013 Mazda 6 and How to Fix 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 2013 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 2013 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 2013 Mazda 6?

To effectively diagnose an oil leak in your 2013 Mazda 6, begin with a systematic approach that prioritizes simplicity and thoroughness. Start by parking your vehicle on a level surface and placing a large piece of cardboard beneath the engine overnight. This will help you pinpoint the leak's location by revealing oil spots on the cardboard. Next, check the oil level using the dipstick; a significantly low level may indicate a leak. Inspect the engine for visible signs of oil, focusing on areas like the valve cover gasket, oil pan gasket, oil filter, and drain plug. Don’t overlook the hoses and lines connected to the engine, as these can also be sources of leaks. Pay special attention to the oil filter, ensuring it is securely installed and free from damage. If these steps do not reveal the source of the leak or if the leak appears severe, it’s advisable to consult a mechanic for a professional assessment. This methodical approach not only helps in identifying the issue but also ensures that you address it effectively, potentially saving you time and money on repairs.

What are the common causes of oil leaks in a 2013 Mazda 6?

When dealing with oil leaks in a 2013 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 can wear out, allowing oil to escape from the engine. Additionally, the oil filter housing gasket can fail, resulting in leaks that may not be immediately visible. Another potential source of oil leaks is the rear main seal, which can develop leaks as the vehicle ages. Lastly, issues with the oil cooler seals can also contribute to oil leakage. Addressing these problems promptly is crucial, as neglecting them can lead to more severe engine damage. Regular maintenance and inspections are key to catching these issues early, ensuring your Mazda 6 runs smoothly and efficiently.

How urgent is it to address the oil leak in my 2013 Mazda 6 to prevent potential engine damage or safety risks?

Addressing an oil leak in your 2013 Mazda 6 is not just a matter of routine maintenance; it is an urgent issue that requires immediate attention. An oil leak can lead to insufficient lubrication of engine components, which increases friction and heat, ultimately risking severe engine damage. Moreover, the presence of oil on the road can create hazardous driving conditions, significantly raising the likelihood of accidents due to reduced traction. The risk escalates further when leaking oil comes into contact with hot engine parts, potentially igniting a fire. Beyond safety concerns, neglecting an oil leak can have detrimental effects on the environment, as oil can contaminate soil and water sources. Financially, the longer you wait to address the leak, the more extensive and costly the repairs may become. Therefore, it is crucial to act swiftly and have the leak inspected and repaired by a qualified mechanic to ensure the safety, performance, and longevity of your vehicle.

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