2019 Audi S5 Sportback Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2019 Audi S5 Sportback and How to Address Them

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Reviewed by
Devin Cabugcal
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 2019 Audi S5 Sportback 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 2019 Audi S5 Sportback 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.

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 2019 Audi S5 Sportback?

To diagnose an oil leak in your 2019 Audi S5 Sportback, begin by locating the leak, which often involves checking for visible signs of oil on the ground beneath your vehicle. Once you have a general area in mind, inspect the engine components closely, focusing on the oil filter, oil pan, valve cover gasket, and oil drain plug, as these are common culprits for leaks. It's also essential to check the oil level in your engine; a significant drop may indicate a leak. Pay particular attention to the oil filter to ensure it is properly installed and undamaged, as this is a frequent source of leaks. Next, examine the oil pan for any cracks or damage that could be allowing oil to escape. The valve cover gasket should also be inspected for wear, as a failing gasket can lead to leaks. Finally, ensure that the oil drain plug is secure, as a loose or damaged plug can contribute to oil loss. By following this systematic approach, you can effectively diagnose the source of the oil leak and take the necessary steps to resolve the issue.

What are the common causes of oil leaks in a 2019 Audi S5 Sportback?

When dealing with oil leaks in a 2019 Audi S5 Sportback, it's essential to understand the common culprits that may be at play. One frequent issue is the degradation of the oil pan gasket, which can wear down over time, leading to leaks. Additionally, worn valve cover gaskets can allow oil to escape from the top of the engine, creating visible leaks. Another potential source is the oil filter housing gasket; if this component is faulty, it can result in oil seeping around the oil filter area. Furthermore, a leaking oil cooler can contribute to oil loss, as can damaged oil seals, including those found around the crankshaft and camshaft. Regular inspections and maintenance are crucial for identifying these problems early, allowing DIYers to address them effectively and keep their Audi S5 Sportback in optimal condition.

How urgent is it to address the oil leak in my 2019 Audi S5 Sportback?

Addressing an oil leak in your 2019 Audi S5 Sportback is not just a matter of routine maintenance; it is a pressing concern that requires immediate attention. An oil leak can significantly reduce oil levels, leading to inadequate lubrication of engine components, which may result in severe damage over time. Furthermore, neglecting this issue can cause the engine to overheat, potentially leading to costly repairs or even catastrophic engine failure. The safety implications are equally alarming, as leaking oil can drip onto hot engine parts, creating a fire hazard. By regularly monitoring for oil leaks and addressing them promptly, you can maintain your vehicle's performance and longevity. Therefore, it is crucial to take action as soon as you notice any signs of an oil leak to safeguard both your vehicle and your safety on the road.

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