2018 Ram 2500 Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2018 Ram 2500 and How to Address Them Effectively

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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 2018 Ram 2500 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 2500 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.

An oil leak may be noted on the ground where the vehicle is parked. However, many vehicles have plastic trays underneath the engine that may catch leaking oil and conceal the leak. In such cases, a low oil level, a burning oil smell, or even smoke from oil burning in the engine bay may be noted.

»MORE: Signs of a bad oil pan gasket

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 the oil leak in a 2018 Ram 2500?

To effectively diagnose an oil leak in your 2018 Ram 2500, start by visually inspecting the engine and undercarriage for any signs of oil accumulation or drips, which can help you locate the source of the leak. Next, check the oil level to determine if it has dropped below the normal range, indicating a potential leak. Focus on the oil pan, as it is a common culprit; look for any visible damage or loose bolts that may need tightening. Don’t overlook the oil filter; ensure it is securely installed and free from leaks, replacing it if necessary. Additionally, inspect the oil drain plug for tightness and check the condition of its gasket, replacing it if it shows signs of wear. Pay close attention to gaskets and seals throughout the engine, particularly the valve cover and oil pan gaskets, as these can often wear out and cause leaks. If the source remains elusive, consider performing a pressure test to identify hidden leaks. Should you still be unable to pinpoint the issue, consulting a qualified mechanic is advisable for a thorough diagnosis and repair. By following this structured approach, you can systematically identify and address the oil leak in your vehicle.

What are the common causes of oil leaks in a 2018 Ram 2500?

When diagnosing oil leaks in a 2018 Ram 2500, 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, leading to noticeable leaks. Similarly, a faulty valve cover gasket can cause oil seepage, making it essential to inspect this area for any signs of wear. Another potential source of leaks is the oil filter; if it is improperly installed or damaged, it can result in oil escaping. Additionally, keep an eye on the oil seals around engine components, such as the crankshaft and camshaft seals, as these can crack or wear out, contributing to leaks. Lastly, a loose or damaged oil drain plug can also be a source of oil loss, so checking its tightness and condition is advisable. By being aware of these common issues and conducting regular inspections, DIYers can effectively manage and resolve oil leak problems, ensuring their Ram 2500 remains in optimal condition.

How urgent is it to address the oil leak in a 2018 Ram 2500?

Addressing an oil leak in your 2018 Ram 2500 is not just a matter of routine maintenance; it is an urgent issue that requires immediate attention. Oil is vital for lubricating engine components, and a leak can lead to a significant loss of oil, which may result in severe engine damage and costly repairs. Moreover, the safety implications cannot be overlooked; leaking oil can drip onto hot engine parts, creating a fire hazard that endangers both the vehicle and its occupants. By promptly addressing the oil leak, you not only safeguard your engine's health but also mitigate the risk of dangerous situations on the road. Ignoring this issue can lead to a cascade of problems, making it essential to act quickly to ensure the safe and efficient operation of your vehicle.

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2018 Ram 2500 Oil Leak Causes & Repair Costs | RepairPal