2017 Audi TTS Quattro Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2017 Audi TTS Quattro and How to Address Them

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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 Audi TTS Quattro 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 Audi TTS Quattro 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.

An oil leak may be noted on the ground where the vehicle is parked. However, many vehicles have plastic trays underneath the engine that may catch leaking oil and conceal the leak. In such cases, a low oil level, a burning oil smell, or even smoke from oil burning in the engine bay may be noted.

»MORE: Signs of a bad oil pan gasket

A bad oil level sensor may cause a false reading of the engine oil level. The oil level warning light may illuminate even when the oil level (checked manually) is within an acceptable range. The warning light may also come on and off intermittently if the sensor is faulty. An error code may be sent to the PCM and a check engine light may come on the dashboard as well if the sensor is bad.

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 2017 Audi TTS Quattro?

To effectively diagnose an oil leak in your 2017 Audi TTS Quattro, begin by visually inspecting the area beneath your vehicle for any signs of oil pooling or dripping, as this can help you pinpoint the leak's source. Next, check the oil level using the dipstick; a consistently low level may indicate a leak that needs addressing. Pay close attention to the gaskets and seals, particularly the valve cover and oil pan gaskets, as these are common culprits for leaks. Additionally, inspect the oil filter for any signs of damage or leakage, as a faulty filter can contribute to the problem. Don’t forget to check the oil drain plug to ensure it is secure and not leaking, as a loose plug can also lead to oil loss. Lastly, examine the Positive Crankcase Ventilation (PCV) system, as issues here can result in oil leaks as well. If these steps do not reveal the source of the leak, or if the problem persists, it may be time to consult a qualified mechanic for a more thorough inspection. By following this diagnostic approach, you can systematically identify and address the oil leak in your Audi TTS Quattro.

What are the common causes of oil leaks in a 2017 Audi TTS Quattro?

When diagnosing oil leaks in a 2017 Audi TTS Quattro, it's crucial to understand the common culprits that may be at play. One frequent issue is the degradation of the oil pan gasket, which can wear out over time, leading to leaks that can be easily spotted under the vehicle. Another potential source is the valve cover gasket, which may deteriorate and allow oil to escape, often resulting in visible oil accumulation around the engine. Additionally, the oil filter housing gasket can fail, causing oil to leak within the engine compartment, which can be particularly concerning as it may lead to engine damage if not addressed. Crankshaft seal leaks are also a possibility; if this seal is worn or damaged, it can permit oil to seep out, creating a mess and potentially affecting engine performance. Lastly, issues with the oil cooler seals can lead to oil seepage, further complicating the situation. For DIY enthusiasts, identifying these common causes early through regular maintenance and inspections can save time and prevent more significant engine problems down the line.

How urgent is it to address the oil leak in my 2017 Audi TTS Quattro?

Addressing an oil leak in your 2017 Audi TTS Quattro is not just a matter of routine maintenance; it is an urgent issue that requires immediate attention. Oil leaks can significantly reduce oil levels, leading to inadequate lubrication of engine components, which can cause severe damage over time. Furthermore, neglecting this problem can result in engine overheating, potentially leading to costly repairs or even complete engine failure. The safety risks associated with oil leaks cannot be overlooked either, as leaking oil can drip onto hot engine parts, creating a fire hazard. Therefore, it is crucial to act swiftly and address any signs of an oil leak to protect both your vehicle's performance and your safety on the road.

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