2011 Mitsubishi Eclipse Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2011 Mitsubishi Eclipse and How to Fix Them

Find Repair Location
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 2011 Mitsubishi Eclipse 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 2011 Mitsubishi Eclipse 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.

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 2011 Mitsubishi Eclipse?

To effectively diagnose an oil leak in your 2011 Mitsubishi Eclipse, begin with a systematic approach that prioritizes simplicity before delving into more complex diagnostics. Start by locating the leak; check beneath the vehicle for any visible oil spots or puddles, which can provide initial clues. Next, inspect the engine components, focusing on areas like the oil pan, valve cover gasket, oil filter, and oil drain plug for any signs of leakage. It's also crucial to check the oil level, as a significant drop may indicate a leak. Pay special attention to the oil filter, ensuring it is securely attached and free from leaks, as this is a common culprit. Additionally, examine the oil pan for damage and tighten any loose bolts if necessary. The valve cover gasket should also be inspected for visible oil signs. If the source remains elusive, consider using UV dye in the engine oil; after running the engine, a UV light can help pinpoint the leak. If these steps do not yield results, or if the problem appears complex, seeking professional assistance is advisable to ensure a thorough diagnosis and repair. By following this structured approach, you can effectively identify and address the oil leak in your vehicle.

What are the common causes of oil leaks in a 2011 Mitsubishi Eclipse?

When dealing with oil leaks in a 2011 Mitsubishi Eclipse, it's crucial to understand the common problems that may arise. One of the primary culprits is a worn or damaged oil pan gasket, which can deteriorate over time, leading to significant oil loss. Additionally, a faulty valve cover gasket can cause oil seepage, making it essential to inspect this component regularly. Another frequent issue is a leaking oil filter; if the filter is loose or damaged, it can result in oil leaking from the engine, which can be easily remedied by ensuring a proper fit. Cracked oil pans are also a concern, as they can create substantial leaks that require immediate attention. Lastly, degraded oil seals within the engine can lead to leaks as they age, emphasizing the importance of routine maintenance. By being aware of these common causes, DIYers can take proactive steps to identify and fix oil leaks, ensuring their Mitsubishi Eclipse runs smoothly and efficiently.

How urgent is it to address the oil leak in my 2011 Mitsubishi Eclipse?

Addressing an oil leak in your 2011 Mitsubishi Eclipse is not just a matter of routine maintenance; it is a critical issue that demands immediate attention. Ignoring an oil leak can lead to severe engine damage, as the oil is vital for lubricating moving parts and ensuring smooth operation. Over time, a lack of sufficient oil can cause components to wear down or even seize, resulting in costly repairs or complete engine failure. Moreover, an oil leak poses safety risks, as it can create slippery surfaces on the road, increasing the likelihood of accidents. Beyond personal safety, there are environmental concerns; leaked oil can contaminate soil and water sources, leading to broader ecological damage. Therefore, it is essential to diagnose and repair any oil leaks promptly to safeguard your vehicle's performance, your safety, and the environment.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.

2011 Mitsubishi Eclipse Oil Leaks: Causes & Repairs