2017 Subaru Forester Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2017 Subaru Forester 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 Subaru Forester 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 Subaru Forester 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 2017 Subaru Forester?

To effectively diagnose an oil leak in your 2017 Subaru Forester, begin with a systematic approach that prioritizes simplicity and thoroughness. Start by locating the leak; inspect the area beneath your vehicle for any visible oil spots or puddles, which can provide initial clues. Next, turn your attention to the engine itself, examining critical components such as the oil pan, valve cover gasket, oil filter, and oil drain plug for any signs of leakage. It's also essential to check the oil level in your engine, as a significant drop may indicate a leak. Pay special attention to the oil filter and drain plug, as these are common culprits; ensure the filter is secure and free from damage, and check that the drain plug is tight and its gasket is intact. Additionally, look for oil residue around gaskets and seals, as this can help you pinpoint the leak's source. If these steps do not reveal the issue, or if you feel uncertain about your findings, consulting a professional mechanic is advisable for a more comprehensive diagnosis and repair. By following this structured diagnostic approach, you can efficiently identify and address the oil leak in your Subaru Forester.

What are the common causes of oil leaks in a 2017 Subaru Forester?

When dealing with oil leaks in a 2017 Subaru Forester, it's essential to understand the common culprits that may be at play. One frequent issue is a worn or damaged oil pan gasket, which can deteriorate over time and lead to leaks. Additionally, a faulty oil filter or its seal can also be a source of oil leakage, often noticeable around the filter housing. Another area to inspect is the valve cover gasket, as wear and tear can cause oil to seep from the top of the engine. Furthermore, the oil cooler seal may deteriorate, resulting in external leaks, while a leak from the rear main seal, located at the back of the engine, can lead to oil pooling near the transmission. Regular inspections and maintenance are crucial in identifying these problems early, allowing DIY enthusiasts to take proactive measures to keep their Subaru Forester in optimal condition.

How urgent is it to address the oil leak in my 2017 Subaru Forester?

Addressing an oil leak in your 2017 Subaru Forester is not just a matter of routine maintenance; it is a pressing issue that requires immediate attention. Ignoring an oil leak can lead to a significant drop in oil levels, which compromises the lubrication of essential engine components. This lack of lubrication can result in increased friction and wear, ultimately leading to severe engine damage that could necessitate costly repairs. Furthermore, an oil leak can cause the engine to overheat, as the oil plays a crucial role in regulating temperature. Overheating can lead to catastrophic engine failure, leaving you with a hefty repair bill and potential breakdowns. Additionally, the safety risks associated with oil leaks cannot be overlooked; oil dripping onto hot engine parts poses a fire hazard, endangering both you and your vehicle. Therefore, it is imperative to address any signs of an oil leak promptly to safeguard your Subaru Forester's performance and your safety on the road.

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