2007 Mazda RX-8 Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2007 Mazda RX-8 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 2007 Mazda RX-8 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 2007 Mazda RX-8 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 2007 Mazda RX-8?

When diagnosing an oil leak in your 2007 Mazda RX-8, start by locating the source of the leak, which often involves checking for visible oil spots on the ground beneath the vehicle. Once you have a general idea of where the leak might be coming from, inspect the engine components closely, paying particular attention to the oil pan, valve cover gasket, oil filter, and oil drain plug for any signs of oil seepage. It's also crucial to check the oil level in the engine; a significant drop can indicate a leak that needs immediate attention. Don't overlook the oil filter, as a damaged or improperly installed filter can lead to leaks. Additionally, ensure that the oil drain plug is securely tightened, as a loose plug is a common culprit for oil loss. Finally, look for any oil residue around gaskets, seals, or connections in the engine bay, as this can help you pinpoint the exact location of the leak. By following these steps methodically, you can effectively diagnose the issue and take the necessary actions to resolve it.

What are the common causes of oil leaks in a 2007 Mazda RX-8?

When dealing with oil leaks in a 2007 Mazda RX-8, it's crucial to understand the common culprits that may be at play. One of the primary issues is worn or damaged oil seals, which can deteriorate over time, allowing oil to escape. Additionally, valve cover gasket leaks are frequent offenders; as the gasket ages, it may lose its integrity, leading to oil seeping out. Another area to inspect is the oil pan gasket, which can also degrade and result in leaks. The oil filter housing gasket is another potential source of leaks, as it can develop issues that allow oil to escape. Lastly, be vigilant for cracks in engine components, as these can create significant oil leaks if not addressed. By regularly inspecting these areas and performing maintenance, you can catch oil leaks early and maintain your RX-8's performance.

How urgent is it to address an oil leak in a 2007 Mazda RX-8?

Addressing an oil leak in a 2007 Mazda RX-8 is of utmost urgency due to the serious implications it can have on both the vehicle's performance and safety. Oil is essential for lubricating engine components, and a leak can lead to a significant loss of lubrication, resulting in increased friction and heat that may ultimately cause severe engine damage. Moreover, neglecting an oil leak can lead to dangerously low oil levels, risking engine seizure or complete failure, which can be both costly and inconvenient. Additionally, leaking oil poses a safety hazard; it can drip onto hot engine parts, increasing the risk of fire, which is a serious concern for any driver. By addressing an oil leak promptly, you not only safeguard your vehicle's health but also prevent minor issues from escalating into major repairs. Therefore, if you notice any signs of an oil leak, it is crucial to take immediate action to ensure the longevity and safety of your Mazda RX-8.

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.