2012 Jeep Grand Cherokee Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2012 Jeep Grand Cherokee 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 2012 Jeep Grand Cherokee 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 2012 Jeep Grand Cherokee 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 initial steps to diagnose the oil leak in a 2012 Jeep Grand Cherokee?

To effectively diagnose an oil leak in your 2012 Jeep Grand Cherokee, start by visually inspecting the engine for any obvious signs of oil leakage, particularly around the back where oil tends to accumulate. Utilizing tools such as UV dye can significantly aid in pinpointing the exact source of the leak, making the process more efficient. Regularly monitoring your oil levels is crucial, as it helps you gauge the severity of the leak over time. Pay close attention to the oil drain plug and the engine oil reservoir for any signs of damage or cracks, as these are common culprits. Additionally, inspect the oil filter for faults and examine seals and gaskets for potential leaks. If you notice oil running down the back of the engine, it’s wise to check the oil cooler and oil filter housing as well. Don’t forget to thoroughly inspect the oil pan for any visible damage or wear, using a flashlight to illuminate hard-to-see areas, and ensure that the oil pan drain plug is secure and free from leaks. By following this systematic approach, you can effectively identify the source of the oil leak and take the necessary steps to address it.

What are the common causes of oil leaks in a 2012 Jeep Grand Cherokee?

When dealing with oil leaks in a 2012 Jeep Grand Cherokee, it's essential to understand the various common problems that could be at play. One frequent issue is worn-out drain plugs, which can lead to significant oil loss if not replaced. Additionally, damaged gaskets are often culprits, as they can fail over time and allow oil to seep out. Another area to inspect is the oil cooler and oil filter housing, particularly in models equipped with the 3.6-liter engine, as these components are known to develop leaks. Other potential sources of oil leaks include a damaged oil pan, faulty oil filters, and worn seals or gaskets. It's also crucial to check for loose or damaged oil lines and ensure that the oil levels are not overfilled, as this can exacerbate leakage problems. Regularly monitoring your oil levels and inspecting these components can help you catch issues early, allowing for timely repairs and preventing further damage to your vehicle.

How urgent is it to address the oil leak in a 2012 Jeep Grand Cherokee?

Addressing an oil leak in your 2012 Jeep Grand Cherokee is not just a matter of routine maintenance; it is a critical issue that demands immediate attention. Ignoring an oil leak can lead to a significant loss of engine oil, which is vital for lubricating moving parts and preventing friction. Operating your vehicle with insufficient oil can result in severe engine damage, potentially culminating in costly repairs or even complete engine failure. Moreover, oil leaks pose a safety hazard, as they can create slippery surfaces on the road, increasing the risk of accidents for both you and other drivers. The longer you wait to address the leak, the more extensive the damage can become, leading to more complicated repairs down the line. Therefore, it is essential to act swiftly and resolve any oil leak issues to ensure the safety, performance, and longevity of your vehicle.

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