2010 Mitsubishi Galant Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2010 Mitsubishi Galant and How to Fix Them

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Reviewed by
Devin Cabugcal
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 2010 Mitsubishi Galant 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 2010 Mitsubishi Galant 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 2010 Mitsubishi Galant?

To effectively diagnose an oil leak in your 2010 Mitsubishi Galant, begin with a systematic approach that prioritizes simplicity before delving into more complex issues. Start by locating the leak; check beneath the vehicle for any visible oil spots or puddles, which can provide immediate clues. Next, inspect the engine components, focusing on areas like the oil pan, valve cover gasket, oil filter, and oil drain plug, as these are common culprits for leaks. It's also essential to check the oil level in the engine; a significant drop may indicate a leak that needs addressing. Pay particular attention to the oil filter, as a damaged or improperly installed filter can lead to leaks. Additionally, examine the oil pan for any cracks or signs of wear, and inspect the valve cover gasket for seepage. If these steps do not reveal the source of the leak or if the problem appears to be more complicated, it may be wise to consult a professional mechanic for a thorough inspection and accurate diagnosis. By following this structured diagnostic approach, you can efficiently identify and address the oil leak in your vehicle.

What are the common causes of oil leaks in a 2010 Mitsubishi Galant?

When dealing with oil leaks in a 2010 Mitsubishi Galant, it's crucial 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 significant leaks. Similarly, a faulty valve cover gasket can cause oil seepage, making it essential to inspect this area for any signs of wear. Another common source of leaks is the oil filter; if it is loose or improperly installed, it can easily allow oil to escape from the engine. Additionally, cracked or worn-out engine seals, such as the rear main seal or camshaft seals, can degrade and contribute to oil loss. Lastly, overfilling the engine with oil can create excess pressure, resulting in leaks. Addressing these issues promptly is vital to maintaining your vehicle's performance and preventing further engine damage. Regular inspections and maintenance can help you catch these problems early, ensuring your Galant runs smoothly.

How urgent is it to address the oil leak in my 2010 Mitsubishi Galant?

Addressing an oil leak in your 2010 Mitsubishi Galant is not just a matter of routine maintenance; it is a critical issue that demands immediate attention. 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, leading to premature wear and tear, and ultimately, engine damage. Furthermore, if left unchecked, the leak can cause the engine to overheat, a situation that could escalate into costly repairs or even complete engine failure. The safety implications are equally concerning, as leaking oil can drip onto hot engine parts, creating a fire hazard. Regularly monitoring for oil leaks and addressing them promptly is essential for maintaining your vehicle's performance and longevity. Therefore, if you notice any signs of an oil leak, it is crucial to take action immediately to avoid further damage and ensure your safety on the road.

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2010 Mitsubishi Galant Oil Leak Issues & Repair Costs