2017 Mazda 6 Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2017 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 2017 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 2017 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 are the initial steps to diagnose an oil leak in a 2017 Mazda 6?

To effectively diagnose an oil leak in your 2017 Mazda 6, start by locating the source of the leak. Begin by inspecting the area beneath the vehicle for any visible oil drips or pools, as this can provide immediate clues. Next, open the hood and examine the engine compartment for oil stains or wet spots around gaskets, seals, and connections, which are common leak points. It's also crucial to check the oil level using the dipstick; a significant drop in oil level may indicate a serious leak that needs urgent attention. Don’t forget to inspect the oil filter and drain plug for tightness, as loose components can lead to leaks. Additionally, take a close look at the gaskets and seals for any signs of wear or damage, as these can often be the culprits behind oil leaks. If the source remains elusive, consider performing a pressure test to accurately pinpoint the leak's location. By following these steps, you can systematically diagnose the issue and take the necessary actions to address the oil leak in your vehicle.

What are the common causes of oil leaks in a 2017 Mazda 6?

When dealing with oil leaks in a 2017 Mazda 6, it's essential to understand the common culprits that could be causing the issue. One frequent source of leaks is the oil pan gasket, which can wear out over time, leading to oil seeping from the bottom of the engine. Similarly, the valve cover gasket may also degrade, resulting in oil seepage around the top of the engine. Another potential problem is a leaking oil filter; if it’s not installed correctly or becomes loose, it can lead to significant oil loss. Additionally, the oil drain plug should be checked for damage or improper tightening, as these factors can also contribute to leaks. Lastly, inspect the seals around critical engine components, such as the crankshaft and camshaft seals, as these can crack or wear out, allowing oil to escape. Regular maintenance and thorough inspections can help identify these issues early, enabling DIY enthusiasts to address them effectively and maintain their vehicle's performance.

How urgent is it to address the oil leak in my 2017 Mazda 6?

Addressing an oil leak in your 2017 Mazda 6 is not just a matter of routine maintenance; it is a critical issue that demands immediate attention. Ignoring an oil leak can lead to severe engine damage, as the oil is vital for lubricating moving parts and preventing overheating. A compromised oil level can result in decreased engine performance, making your vehicle less reliable and efficient. Moreover, oil leaks pose safety risks, as they can create hazardous driving conditions by making roads slippery, endangering both you and other motorists. The longer you wait to fix the leak, the more likely you are to face costly repairs down the line, as minor issues can escalate into major problems. Therefore, it is essential to prioritize the repair of any oil leaks to ensure the safety, performance, and longevity of your Mazda 6.

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