2021 Ford Transit-350 Is Leaking Oil

Troubleshooting Oil Leak Sources in Your 2021 Ford Transit-350 and Effective Repair Strategies

Find Repair Location
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 2021 Ford Transit-350 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 Ford Transit-350 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 the oil leak in a 2021 Ford Transit-350?

To effectively diagnose an oil leak in your 2021 Ford Transit-350, start by locating the source of the leak. Begin your inspection underneath the vehicle, looking for any visible signs of oil pooling or dripping on the ground. This initial step can often reveal the leak's origin. Next, check the oil level in the engine; a significant drop may indicate a serious leak that requires immediate attention. After confirming the oil level, inspect the gaskets and seals around critical components such as the oil pan and valve cover, as these areas are common culprits for leaks due to wear or damage. Additionally, examine the oil pan and engine block for any cracks or physical damage that could be contributing to the issue. If the leak remains elusive, consider performing a pressure test on the oil system, which can help identify leaks that are not easily visible. Should you find yourself unable to pinpoint the source of the leak or if the situation appears complex, it may be wise to consult a qualified mechanic who can provide specialized tools and expertise for a thorough diagnosis and repair. By following this structured approach, you can effectively tackle the challenge of diagnosing an oil leak in your vehicle.

What are the common causes of oil leaks in a 2021 Ford Transit-350?

Understanding the common causes of oil leaks in a 2021 Ford Transit-350 is essential for any DIY enthusiast looking to maintain their vehicle. One of the primary culprits is a degraded or damaged oil pan gasket, which can lead to noticeable oil spots under the vehicle when parked. Additionally, a worn-out valve cover gasket can result in oil leaking from the top of the engine, making it crucial to inspect this area regularly. Another potential issue is a faulty oil filter; if the filter is improperly installed or defective, it can easily cause leaks. It's also important to check the oil drain plug, as a damaged or loose plug can lead to significant oil loss. Furthermore, seals around various engine components can crack or wear out over time, contributing to leaks. Lastly, be cautious of overfilling the engine with oil, as excess pressure can force oil out of seals and gaskets. By being aware of these common problems, DIYers can take proactive steps to diagnose and fix oil leaks, ensuring their Transit-350 runs smoothly and efficiently.

How urgent is it to address the oil leak in a 2021 Ford Transit-350?

Addressing an oil leak in a 2021 Ford Transit-350 is not just a matter of routine maintenance; it is a critical issue that demands immediate attention. Ignoring an oil leak can lead to severe engine damage, as the oil is vital for lubrication and cooling. Without adequate oil levels, the engine may overheat or suffer from increased friction, leading to costly repairs that could have been easily avoided. Moreover, oil leaks pose significant safety risks, as they can create slippery surfaces on the road, increasing the likelihood of accidents. By addressing the leak promptly, you not only protect your vehicle's performance but also ensure the safety of yourself and others on the road. The longer you wait, the more extensive the damage can become, resulting in higher repair costs and potential breakdowns. Therefore, if you notice any signs of an oil leak, it is crucial to take action immediately to maintain the integrity of your vehicle and avoid unnecessary complications.

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.