2020 Audi Q5 PHEV Is Leaking Oil

Address Oil Leaks in Your 2020 Audi Q5 PHEV 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 2020 Audi Q5 PHEV 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 2020 Audi Q5 PHEV 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 2020 Audi Q5 PHEV?

To effectively diagnose an oil leak in your 2020 Audi Q5 PHEV, begin by systematically assessing the situation, starting with the most accessible areas. First, locate the leak by checking underneath the vehicle for any visible oil drips or pools, which can provide immediate clues about the source. Next, verify the oil level in the engine; a significant drop may indicate a leak that needs urgent attention. Inspect the oil filter and drain plug for any signs of looseness or leakage, as these are common culprits. Additionally, examine the gaskets and seals around the engine, looking for any wear or damage that could be contributing to the leak. Pay attention to any oil stains or residue on the engine, particularly around the gaskets and seals, as these can help you pinpoint the exact location of the issue. If these steps do not reveal the source of the leak or if the problem appears to be more complex, it is advisable to seek a professional mechanic's expertise for a thorough inspection and repair. By following this diagnostic approach, you can efficiently identify and address the oil leak in your Audi Q5 PHEV.

What are the common causes of oil leaks in a 2020 Audi Q5 PHEV?

When dealing with oil leaks in a 2020 Audi Q5 PHEV, 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 deteriorate over time due to exposure to heat and engine vibrations, leading to leaks. Another common source is a faulty valve cover gasket, which can allow oil to escape from the engine compartment if it becomes worn or improperly sealed. Additionally, worn oil seals, such as those found around the camshaft or crankshaft, can also contribute to leaks as they age. It's important to check the oil filter as well; a loose or damaged filter can result in oil leaking from the filter housing, creating a mess and potentially leading to more significant issues. Lastly, inspect for any cracks in engine components like the engine block or cylinder head, as these can be serious sources of oil leaks. Addressing these issues promptly not only helps maintain the vehicle's performance but also prevents further damage to the engine, making regular inspections and maintenance essential for any DIY enthusiast.

How urgent is it to address the oil leak in my 2020 Audi Q5 PHEV?

Addressing an oil leak in your 2020 Audi Q5 PHEV is not just a matter of routine maintenance; it is a pressing issue that requires immediate attention. Oil is vital for lubricating engine components, and a leak can lead to a significant loss of oil, which may result in severe engine damage and costly repairs. Moreover, the safety implications cannot be overlooked; oil that drips onto hot engine parts poses a fire risk, creating a hazardous situation for you and your passengers. By tackling the oil leak promptly, you not only safeguard your vehicle's performance but also protect yourself from potential accidents and expensive fixes down the line. Therefore, if you notice any signs of an oil leak, it is crucial to act swiftly to maintain the integrity and safety of your Audi Q5 PHEV.

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