2018 Ram ProMaster 1500 Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2018 Ram ProMaster 1500 and How to Fix Them

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Reviewed by
Andrew Hajjar
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 1500 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 1500 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 steps to diagnose and fix an oil leak in a 2018 Ram ProMaster 1500?

When tackling an oil leak in your 2018 Ram ProMaster 1500, start by assessing the oil level and its condition, as this will give you an initial understanding of the leak's severity. Next, conduct a thorough visual inspection of the engine bay, focusing on the oil pan, oil filter, and oil drain plug for any visible signs of leakage. Utilizing a UV dye or a leak detection kit can help you accurately identify the leak's source. Common culprits include the valve cover gasket, oil cooler lines, and oil pressure sensor, so be sure to check these areas closely. Once you've pinpointed the leak, proceed with the necessary repairs, which may involve replacing faulty gaskets or seals, tightening loose bolts, or even replacing damaged oil lines. If the oil leak originates from the oil pan, you might need to replace the entire pan. Always ensure that all components are reassembled correctly and torqued to the manufacturer's specifications to prevent future leaks. By following this structured diagnostic approach, you can effectively address and resolve oil leaks in your vehicle.

What are the common causes of oil leaks in a 2018 Ram ProMaster 1500?

When dealing with oil leaks in a 2018 Ram ProMaster 1500, it's essential 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. Additionally, a faulty oil filter or improperly installed oil filter housing can also result in oil escaping, so checking these components is crucial. Another area to inspect is the valve cover gasket, as it seals the valve cover to the engine and can wear out, causing leaks. Don't overlook the oil drain plug; if it's loose or damaged, it can be a source of oil loss as well. Furthermore, a cracked or damaged oil cooler can contribute to leaks, along with various seals and gaskets throughout the engine that may have worn over time. Addressing these issues promptly is vital to prevent further engine damage and ensure your vehicle runs smoothly. Regular maintenance and thorough inspections can help you catch these problems early, allowing for effective DIY repairs.

How urgent is it to address the oil leak in my 2018 Ram ProMaster 1500?

Addressing an oil leak in your 2018 Ram ProMaster 1500 is crucial for several reasons. First and foremost, neglecting this issue can lead to significant engine damage due to inadequate lubrication, which increases friction and heat among engine components. This not only jeopardizes the engine's performance but can also result in costly repairs down the line. Additionally, oil leaks pose environmental hazards, as they can contaminate soil and water sources, making it imperative to act swiftly to mitigate these effects. Safety is another critical concern; oil spills can create slippery surfaces, heightening the risk of accidents for both you and other road users. Lastly, the financial implications of ignoring an oil leak can be severe, as the initial minor issue can escalate into extensive repairs if left unaddressed. Therefore, it is essential to prioritize the repair of an oil leak to ensure the longevity and optimal functioning of your vehicle while safeguarding the environment and maintaining safety on the road.

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