2021 Mitsubishi Eclipse Cross Is Leaking Oil

Troubleshooting Oil Leaks in Your 2021 Mitsubishi Eclipse Cross: Causes and Solutions

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Reviewed by
Aisha
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 2021 Mitsubishi Eclipse Cross 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 2021 Mitsubishi Eclipse Cross 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 are the first steps to diagnose an oil leak in a 2021 Mitsubishi Eclipse Cross?

When diagnosing an oil leak in your 2021 Mitsubishi Eclipse Cross, it's essential to adopt a systematic diagnostic approach. Begin by checking the oil level in the engine; a significant drop may indicate a leak that needs attention. Next, inspect the ground beneath your vehicle for any oil spots or puddles, as these can provide clues about the leak's location. Moving to the engine bay, look for visible signs of oil, such as stains or wet areas, which can help you identify the source. Pay particular attention to the oil filter and drain plug, as these components are common culprits for leaks. Additionally, examine the oil pan gasket and valve cover gasket for any signs of damage or seepage. Don't overlook other seals and gaskets, including the camshaft and crankshaft seals, which may also be leaking. If the source remains elusive, consider using UV dye in the engine oil; this method allows you to trace the leak more accurately with a UV light. By following these steps, you can effectively diagnose the oil leak and take the necessary actions to resolve the issue.

What are the common causes of oil leaks in a 2021 Mitsubishi Eclipse Cross?

When dealing with oil leaks in a 2021 Mitsubishi Eclipse Cross, it's crucial to understand the common culprits that may be at play. One frequent issue is a degraded or damaged oil pan gasket, which can wear out over time and lead to leaks. Additionally, a faulty oil filter can also be a source of oil leakage, as it may not seal properly, allowing oil to escape from the engine. Another area to inspect is the oil drain plug; if it is loose or damaged, it can result in significant oil loss. The valve cover gasket is another component that can deteriorate with age, leading to leaks that can affect engine performance. Lastly, a cracked or damaged oil cooler can contribute to oil leaks, making it essential to check this part as well. By regularly inspecting these components and addressing any issues promptly, DIY enthusiasts can maintain their vehicle's performance and prevent further damage.

How urgent is it to address the oil leak in a 2021 Mitsubishi Eclipse Cross?

Addressing an oil leak in your 2021 Mitsubishi Eclipse Cross 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 loss of engine oil, which is vital for lubricating moving parts and ensuring optimal engine performance. If left unchecked, this can result in decreased efficiency and potentially catastrophic engine damage, leading to costly repairs. Moreover, the safety implications cannot be overlooked; oil that drips onto hot engine components poses a fire hazard, putting both the vehicle and its occupants at risk. By prioritizing the repair of an oil leak, you not only safeguard your vehicle's performance but also protect your safety and that of others on the road. Timely intervention can prevent more severe issues down the line, making it essential to address any signs of an oil leak as soon as they are detected.

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2021 Mitsubishi Eclipse Cross Oil Leak Causes & Repairs