2017 Mazda CX-5 Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2017 Mazda CX-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 2017 Mazda CX-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 2017 Mazda CX-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 potential causes and diagnostic steps for an oil leak in a 2017 Mazda CX-5?

When tackling an oil leak in your 2017 Mazda CX-5, it's essential to adopt a systematic diagnostic approach. Start with a thorough visual inspection under the vehicle to identify any obvious signs of oil pooling or dripping. This initial step can often reveal the source of the leak, such as a damaged oil pan or loose oil drain plug. Next, check the oil level in the engine; a significant drop may indicate a leak that needs immediate attention. Inspect the oil pan for cracks and examine the gaskets and seals for wear, as these components are common culprits in oil leaks. Ensure that the oil drain plug is securely tightened, as a loose plug can lead to oil loss. Additionally, inspect the oil filter for any signs of damage or improper installation, which can also contribute to leaks. If the source remains elusive, consider conducting a pressure test to accurately pinpoint the leak's location. By following these steps, you can effectively diagnose and address oil leaks, ensuring your Mazda CX-5 remains in optimal condition.

What are the common causes of oil leaks in a 2017 Mazda CX-5?

When dealing with oil leaks in a 2017 Mazda CX-5, it's crucial to understand the common culprits that may be at play. One frequent issue is a degraded or damaged oil pan gasket, which can wear out over time and lead to leaks. Additionally, a faulty valve cover gasket can allow oil to escape from the top of the engine, creating a mess and potentially causing further damage. Another area to inspect is the oil filter; if it is loose or damaged, oil can leak from the filter housing, necessitating a replacement or tightening. Furthermore, a cracked or damaged oil cooler can also be a source of leaks, as can worn-out oil seals that deteriorate with age. Addressing these issues promptly is essential not only for maintaining the performance of your vehicle but also for preventing more severe engine damage. Regular inspections and maintenance can help you catch these problems early, ensuring your Mazda CX-5 runs smoothly and efficiently.

How urgent is it to address the oil leak in my 2017 Mazda CX-5?

When dealing with an oil leak in your 2017 Mazda CX-5, understanding the urgency of the situation is crucial. If you notice a minor leak, it may seem manageable, but even small leaks can escalate quickly, leading to significant engine damage if left unattended. The risk of running your vehicle with low oil levels cannot be overstated, as it can cause overheating and result in costly repairs that could have been avoided with prompt action. Moreover, oil leaks pose safety hazards; oil dripping onto hot engine components can ignite, and oil on the road creates slippery conditions that increase the likelihood of accidents. Additionally, the environmental impact of oil leaks is a serious concern, as they can contaminate soil and water sources. Therefore, regardless of the initial severity of the leak, it is advisable to address it as soon as possible to protect your vehicle, ensure your safety, and minimize harm to the environment.

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