2018 Chrysler Pacifica Is Leaking Oil

Address Oil Leaks in Your 2018 Chrysler Pacifica Effectively

Find Repair Location
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 2018 Chrysler Pacifica 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 2018 Chrysler Pacifica 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 2018 Chrysler Pacifica?

To effectively diagnose an oil leak in your 2018 Chrysler Pacifica, begin by locating the source of the leak, which often involves checking for visible oil spots or puddles beneath the vehicle. Once you have a general area identified, inspect the oil pan for any cracks or damage that could be contributing to the leak. Next, examine the oil filter to ensure it is securely installed and not leaking oil. Additionally, check the oil drain plug to confirm it is tight, as a loose plug can also lead to leaks. Pay close attention to the gaskets and seals around the engine, as wear or damage in these areas can be a common cause of oil leaks. Throughout this process, monitor your oil levels; a significant drop may indicate a leak that needs immediate attention. If you are unable to pinpoint the source of the leak or if the problem persists despite your efforts, it may be wise to consult a mechanic for a professional evaluation and repair. By following this diagnostic approach, you can systematically address the issue and ensure your vehicle remains in good working condition.

What are the common causes of oil leaks in a 2018 Chrysler Pacifica?

When dealing with oil leaks in a 2018 Chrysler Pacifica, 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 oil loss. Additionally, valve cover gasket leaks are another common problem, often resulting from wear and tear, allowing oil to escape from the top of the engine. The oil filter housing gasket can also fail, particularly if it has not been replaced during routine maintenance, causing oil to leak near the oil filter. Another area to inspect is the rear main seal, located at the back of the engine, which can develop leaks that drip oil onto the ground. Lastly, oil cooler line leaks, especially at the connection points, can contribute to oil seepage. Addressing these issues promptly is essential to prevent further engine damage and maintain optimal vehicle performance. Regular inspections and maintenance can help you catch these problems early, ensuring your Pacifica runs smoothly.

How urgent is it to address the oil leak in my 2018 Chrysler Pacifica?

Addressing an oil leak in your 2018 Chrysler Pacifica is not just a matter of routine maintenance; it is an urgent issue that requires immediate attention. An oil leak can significantly reduce oil levels, leading to inadequate lubrication of engine components, which increases the risk of severe engine damage. Furthermore, neglecting this problem can result in engine overheating, potentially causing catastrophic mechanical failures that could leave you stranded or necessitate costly repairs. Additionally, the safety implications cannot be overlooked; oil leaking onto hot engine parts poses a fire hazard, endangering both you and your vehicle. Therefore, it is crucial to act swiftly and resolve any oil leak to safeguard your vehicle's performance and 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.