2018 Ram ProMaster City Is Leaking Oil

Diagnosing Oil Leak Sources in Your 2018 Ram ProMaster City and Recommended Repair Strategies

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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 2018 Ram ProMaster City 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 Ram ProMaster City 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 2018 Ram ProMaster City?

To effectively diagnose an oil leak in your 2018 Ram ProMaster City, start by locating the source of the leak. Carefully inspect the engine, oil pan, oil filter, and surrounding components for any visible signs of oil. Checking the oil levels is crucial; if they are low, it may indicate a leak that needs addressing. Pay special attention to the oil pan and drain plug, as these areas are common culprits for leaks due to potential damage or looseness. Next, examine the oil filter for any signs of wear or leaks, as a faulty filter can contribute to the problem. Additionally, inspect the gaskets and seals within the engine, as worn or damaged components can lead to oil escaping. Finally, look for oil stains or puddles beneath the vehicle after it has been parked, as these can provide valuable clues about the leak's origin. By following these steps, you can systematically identify the source of the oil leak and determine the necessary repairs, ensuring your vehicle remains in optimal condition.

What are the common causes of oil leaks in a 2018 Ram ProMaster City?

When diagnosing oil leaks in a 2018 Ram ProMaster City, it's essential to consider several common issues that could be at play. One frequent culprit is a worn or damaged oil pan gasket, which can lead to oil seeping from the oil pan if it fails to create a proper seal. Additionally, a faulty oil filter can contribute to leaks, particularly if it is not installed correctly or is defective, allowing oil to escape from the filter housing. Another area to inspect is the oil drain plug; if it is loose or damaged, it can result in oil leaking from the pan, especially after an oil change. Furthermore, a cracked or damaged oil pan itself can be a significant source of leaks, as any compromise in its integrity can lead to oil seepage. Lastly, it's crucial to monitor oil pressure, as excessively high levels can strain seals and gaskets, leading to potential leaks. Regular maintenance and thorough inspections can help identify these issues early, allowing DIY enthusiasts to address them effectively and maintain the vehicle's performance.

How urgent is it to address the oil leak in my 2018 Ram ProMaster City?

When it comes to your 2018 Ram ProMaster City, addressing an oil leak is not just a matter of routine maintenance; it is an urgent necessity. Ignoring this issue can lead to severe engine damage, which may result in costly repairs that could have been easily avoided. The oil in your engine plays a vital role in lubricating moving parts, and a leak disrupts this essential function, leading to decreased performance and efficiency. Moreover, an oil leak poses significant safety risks, as it can create hazardous driving conditions by making roads slippery, endangering both you and other motorists. Additionally, the environmental impact of oil leaks cannot be overlooked; they can contaminate local ecosystems, making prompt action crucial not only for your vehicle's health but also for the planet. Therefore, if you notice any signs of an oil leak, it is imperative to address the issue immediately to safeguard your vehicle, ensure your safety, and protect the environment.

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