Mitsubishi Eclipse Is Leaking Oil

Common Causes of Oil Leaks in Your Mitsubishi Eclipse and How to Fix 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 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 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.

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

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.

How to Diagnose and Fix Oil Leaks in a Mitsubishi Eclipse?

When diagnosing oil leaks in your Mitsubishi Eclipse, start by regularly checking the oil level and looking for visible signs of leaks, such as oil spots on the ground or smoke from the engine. This initial observation can help you pinpoint the problem. Next, inspect common leak sources, including the drain plugs, gaskets, and various seals. Pay special attention to the valve cover gasket and the oil feed control valve, as these are frequent culprits. If you identify a leak, using a high-quality oil-rated RTV can help seal minor leaks effectively. For more significant issues, replacing worn-out components like drain plugs and gaskets is essential. Addressing these problems promptly not only prevents further leaks but also protects your engine from potential damage. By following this structured diagnostic approach, you can ensure that your Mitsubishi Eclipse remains in optimal condition, enhancing its performance and longevity.

How to Diagnose and Fix Oil Leaks in a Mitsubishi Eclipse?

When addressing oil leaks in a Mitsubishi Eclipse, it's crucial to recognize the common problems that can affect the vehicle's oil system. One prevalent issue is the degradation of gaskets and seals, which often leads to leaks at vital points such as the valve cover and crankshaft. Additionally, worn or damaged drain plugs can significantly contribute to oil loss, making it essential to inspect these components regularly. Another frequent failure mode is the malfunction of the oil feed control valve, which can disrupt proper oil distribution and result in leaks. By understanding these potential issues, you can take proactive measures to check for signs of wear and address them promptly, preventing minor leaks from developing into more serious problems. Regular maintenance and timely repairs not only aid in diagnosing and fixing oil leaks but also improve the overall performance and longevity of your Mitsubishi Eclipse, ensuring it runs smoothly for years to come.

Why is it Urgent to Address Oil Leaks in a Mitsubishi Eclipse?

Addressing oil leaks in your Mitsubishi Eclipse is not just a matter of routine maintenance; it is an urgent necessity that can prevent serious consequences. Ignoring an oil leak can lead to catastrophic engine damage, which may result in costly repairs that far exceed the expense of a simple fix. Moreover, oil leaks can create hazardous driving conditions, as they may cause slippery surfaces in the engine bay or on the road, increasing the risk of accidents. Additionally, an oil leak often signals underlying issues, such as failing gaskets or oil system malfunctions, which can escalate if not promptly addressed. By taking immediate action to repair oil leaks, you not only safeguard the longevity of your vehicle but also ensure a safer driving experience. Therefore, it is crucial to prioritize the resolution of oil leaks to avoid the potential for significant damage and maintain the overall safety and performance of your Mitsubishi Eclipse.

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