2007 Mitsubishi Galant Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2007 Mitsubishi Galant and How to Fix Them Effectively

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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 2007 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 2007 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 2007 Mitsubishi Galant?

When diagnosing an oil leak in your 2007 Mitsubishi Galant, it's essential to adopt a systematic approach that begins with the most straightforward checks. Start by locating the leak; inspect the area beneath your vehicle for any oil drips or puddles, and examine the engine and transmission for wet spots or stains. Next, check the oil level to determine if it is consistently low, which could indicate a leak. Pay close attention to the oil filter and drain plug, ensuring they are secure and free from damage. Gaskets and seals, such as the valve cover and oil pan gaskets, should also be inspected for wear or deterioration, as these are common sources of leaks. For a more precise diagnosis, consider adding UV dye to the oil; after running the engine, use a UV light to identify the leak's origin. If the source remains elusive, a pressure test can help reveal hidden leaks by pressurizing the oil system. Should these methods not yield results, seeking professional assistance is advisable to ensure a thorough inspection and effective repair. By following this structured diagnostic approach, you can efficiently identify and address the oil leak in your Galant.

What are the common causes of oil leaks in a 2007 Mitsubishi Galant?

When dealing with oil leaks in a 2007 Mitsubishi Galant, it's essential to understand the common culprits that may be at play. One frequent issue is the deterioration of the oil pan gasket, which can wear out over time, leading to leaks. Similarly, the valve cover gasket, which seals the connection between the valve cover and the cylinder head, can also become worn or damaged, resulting in oil seeping out. Another potential source of leaks is the oil filter housing gasket; if this gasket fails, it can allow oil to escape. Additionally, the rear main seal, located at the back of the engine, is prone to leaks as it ages, contributing to oil seepage. Lastly, the seals around the oil cooler can degrade, leading to further oil leaks. Addressing these issues promptly is crucial to prevent engine damage and maintain optimal vehicle performance, making regular inspections and maintenance vital for any DIY enthusiast looking to keep their Galant in top shape.

How urgent is it to address the oil leak in my 2007 Mitsubishi Galant?

Addressing an oil leak in your 2007 Mitsubishi Galant is not just a matter of routine maintenance; it is an urgent issue that requires immediate attention. Neglecting 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 severe engine damage over time, leading to costly repairs that could have been avoided. Furthermore, an oil leak increases the risk of engine overheating, as insufficient oil circulation can cause critical parts to run hotter than normal. This overheating can escalate into catastrophic engine failure, leaving you with a hefty repair bill. Additionally, the safety implications of an oil leak cannot be overlooked; oil dripping onto hot engine parts poses a fire hazard, putting both you and your vehicle at risk. Therefore, it is crucial to address any signs of an oil leak promptly to safeguard your vehicle's performance and ensure your safety on the road.

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