2021 Ram 1500 Classic Is Leaking Oil

Troubleshooting Oil Leak Sources in Your 2021 Ram 1500 Classic and Effective Repair Strategies

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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 2021 Ram 1500 Classic 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 Ram 1500 Classic 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 Ram 1500 Classic?

To effectively diagnose an oil leak in your 2021 Ram 1500 Classic, begin with a systematic approach that prioritizes simplicity and thoroughness. Start by locating the leak; inspect the area beneath your vehicle for any visible oil spots or drips, as this can provide immediate clues about the leak's origin. Next, turn your attention to the engine itself, examining critical components such as the oil pan, valve cover gaskets, oil filter, and oil drain plug for any signs of oil seepage or damage. It's also essential to check the oil level in the engine, as a significant drop may indicate a leak. Pay special attention to the oil filter, as a faulty one can lead to leaks, and inspect the oil pan for cracks or loose bolts that could compromise its integrity. Additionally, the valve cover gaskets should be scrutinized for wear, and other components like oil cooler lines and oil seals should not be overlooked. To enhance your diagnostic efforts, clean the engine and surrounding areas before starting the vehicle; this will help you pinpoint the source of the leak more effectively. By following this structured diagnostic approach, you can identify the issue and take the necessary steps to resolve the oil leak in your truck.

What are the common causes of oil leaks in a 2021 Ram 1500 Classic?

When diagnosing oil leaks in a 2021 Ram 1500 Classic, it's crucial to understand the common problems that can arise. One frequent culprit is a worn or damaged oil pan gasket, which can deteriorate over time, leading to leaks. Additionally, a faulty or improperly installed oil filter can also be a source of oil leakage, so it's important to ensure that the filter is correctly fitted. Another area to inspect is the oil drain plug; if it is loose or damaged, it can allow oil to escape. Valve cover gasket leaks are another common issue, as these gaskets can wear out and fail to seal properly, resulting in oil seepage. Lastly, don't overlook the oil cooler lines, as leaks in these lines can contribute to oil loss. Addressing these issues promptly is essential for maintaining engine health and vehicle performance, making it advisable for DIYers to regularly check these components if they suspect an oil leak.

How urgent is it to address the oil leak in a 2021 Ram 1500 Classic?

Addressing an oil leak in your 2021 Ram 1500 Classic is not just a matter of routine maintenance; it is a critical issue that demands immediate attention. An oil leak can lead to a rapid decrease in oil levels, which are vital for lubricating engine components. If the oil level drops too low, it can result in severe engine damage, including overheating or complete engine failure. Moreover, the environmental implications of an oil leak cannot be overlooked, as it poses a risk of contaminating soil and water sources. Additionally, oil leaks create hazardous driving conditions, increasing the likelihood of accidents due to slippery surfaces. Therefore, it is essential to address any signs of an oil leak promptly to safeguard your vehicle's performance, ensure your safety on the road, and protect the environment. Ignoring this issue can lead to more extensive and costly repairs down the line, making it imperative to act swiftly.

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