2020 Subaru Ascent Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2020 Subaru Ascent and How to Address Them

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Reviewed by
Bo Fader
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 Subaru Ascent 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 Subaru Ascent 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 2020 Subaru Ascent?

To effectively diagnose an oil leak in your 2020 Subaru Ascent, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by locating the leak; inspect the area beneath your vehicle for any visible oil spots or drips, which can provide immediate clues. Next, examine the oil pan for cracks or damage, as this is a common source of leaks. Ensure that the oil filter is securely installed and free from damage, as a loose or faulty filter can also lead to oil loss. Don’t overlook the oil drain plug; confirm it is tightened properly to prevent leaks. Additionally, inspect the gaskets and seals around the engine, particularly the valve cover and oil pan gaskets, as these components can wear out over time and cause leaks. Pay special attention to the valve cover, as a defective gasket here is a frequent culprit. Lastly, check the oil cooler for any signs of leaks and monitor your oil levels regularly to detect any significant drops that may indicate an ongoing issue. By following this structured diagnostic approach, you can identify the source of the oil leak and take the necessary steps to resolve it.

What are the common causes of oil leaks in a 2020 Subaru Ascent?

When dealing with oil leaks in a 2020 Subaru Ascent, 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 significant leaks. Another common source is the valve cover gasket; if this component is worn or damaged, it can allow oil to seep out, creating a mess under the hood. Additionally, a leaking oil filter can be a problem, often caused by improper installation or a loose fit, which can result in oil escaping from the engine. It's also important to check the oil drain plug; if it is not tightened correctly or is damaged, it can contribute to leaks as well. Lastly, cracks in engine components, such as the engine block, can lead to oil leaks and should be inspected thoroughly. Addressing these issues promptly is essential to maintain your vehicle's performance and prevent further damage, making regular maintenance and inspections key to keeping your Subaru Ascent in top shape.

How urgent is it to address the oil leak in my 2020 Subaru Ascent?

Addressing an oil leak in your 2020 Subaru Ascent is not just a matter of routine maintenance; it is an urgent issue that requires immediate attention. An oil leak can significantly reduce oil levels, leading to inadequate lubrication of engine components, which may result in severe engine damage over time. Furthermore, neglecting this issue can cause the engine to overheat, potentially leading to costly repairs or even complete engine failure. The safety risks associated with an oil leak are also considerable, as leaking oil can drip onto hot engine parts, creating a fire hazard. Therefore, it is crucial to act promptly to resolve any oil leak issues in your Subaru Ascent, ensuring both the longevity of your vehicle and the safety of its operation.

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