2021 Jeep Grand Cherokee Is Leaking Oil

Troubleshooting Oil Leak Sources in Your 2021 Jeep Grand Cherokee and How to Fix Them

Find Repair Location
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 2021 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 2021 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 steps should I take to diagnose the oil leak in my 2021 Jeep Grand Cherokee?

When diagnosing an oil leak in your 2021 Jeep Grand Cherokee, it's essential to adopt a systematic approach that begins with the most straightforward checks. Start by locating the leak; inspect the ground beneath your vehicle for any oil spots, which can help pinpoint the source. Next, examine the engine components, focusing on areas like the oil pan, valve cover gasket, and oil filter, as these are common culprits for leaks. Checking the oil level is also crucial; a significant drop may indicate a leak that needs immediate attention. If the leak isn't apparent, consider using UV dye, which can help reveal hidden leaks when illuminated with a UV light. Always ensure that the oil filter is securely attached and free from damage, as this is a frequent source of leaks. If your inspection does not yield clear results or if you encounter complex issues, seeking assistance from a certified mechanic is advisable to ensure a thorough diagnosis and repair. By following this diagnostic approach, you can effectively identify and address oil leaks in your Jeep, maintaining its performance and longevity.

What are the common causes of oil leaks in a 2021 Jeep Grand Cherokee?

When diagnosing oil leaks in a 2021 Jeep Grand Cherokee, 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, the valve cover gasket, which seals the valve cover to the cylinder head, can also wear out, resulting in oil seepage. Another area to inspect is the oil filter housing gasket; if this component fails, it can cause oil to leak from the housing. Additionally, the rear main seal, located at the back of the engine, is prone to leaks as it ages, while the oil cooler seals can also degrade, leading to further oil loss. Addressing these leaks promptly is essential not only for maintaining the performance of your vehicle but also for preventing potential engine damage. By being aware of these common issues, DIY enthusiasts can take proactive steps to inspect and repair their Jeep, ensuring it runs smoothly for years to come.

How urgent is it to address the oil leak in my 2021 Jeep Grand Cherokee?

Addressing an oil leak in your 2021 Jeep Grand Cherokee is not just a matter of routine maintenance; it is a critical issue that demands immediate attention. An oil leak can lead to a gradual decrease in oil levels, which compromises the engine's lubrication system, increasing the risk of severe engine damage over time. Furthermore, if left unchecked, the leak can escalate into more serious problems, such as engine overheating or even catastrophic engine failure, which can be both costly and dangerous. Additionally, the presence of leaking oil poses a significant safety hazard, as it can drip onto hot engine components, creating a fire risk. 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 imperative to take action swiftly to safeguard your vehicle and ensure your safety on the road.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.