2019 Ford Transit-350 HD Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2019 Ford Transit-350 HD and How to Fix Them Effectively

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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 2019 Ford Transit-350 HD 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 2019 Ford Transit-350 HD 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 2019 Ford Transit-350 HD?

To effectively diagnose an oil leak in your 2019 Ford Transit-350 HD, begin by locating the leak, which often involves checking for visible oil spots on the ground beneath the vehicle. Once you have a general idea of where the leak might be originating, inspect key engine components such as the oil pan, valve cover gasket, oil filter, and oil drain plug for any signs of oil seepage or damage. It's also crucial to check the oil level in the engine; a significant drop may indicate a serious leak that requires immediate attention. Pay special attention to the oil filter, as a faulty one can lead to leaks, and examine the oil pan for cracks or loose bolts that could exacerbate the issue. The valve cover gasket is another common culprit, so inspect it for wear. Additionally, don't overlook other components like oil cooler lines and oil seals, which can also contribute to leaks. To facilitate the diagnosis, clean the engine area before starting your inspection, as this will help you identify the source of the leak more easily. By following this systematic approach, you can pinpoint the issue and take the necessary steps to resolve the oil leak effectively.

What are the common causes of oil leaks in a 2019 Ford Transit-350 HD?

Understanding the common causes of oil leaks in your 2019 Ford Transit-350 HD is essential for any DIY mechanic looking to maintain their vehicle. One prevalent issue is the degradation of the oil pan gasket, which can wear out over time, leading to leaks. Similarly, worn valve cover gaskets can become brittle, allowing oil to escape from the engine. Another area to inspect is the oil filter housing gasket; if this component is damaged or not sealed properly, it can also result in oil leaks. Additionally, the oil cooler lines are susceptible to wear and tear, which can lead to leaks as well. Lastly, a damaged rear main seal can cause significant oil loss at the back of the engine. Regular maintenance and timely repairs are crucial in preventing these leaks, ensuring your Transit-350 HD runs smoothly and efficiently.

How urgent is it to address the oil leak in a 2019 Ford Transit-350 HD?

Addressing an oil leak in your 2019 Ford Transit-350 HD is not just a matter of routine maintenance; it is a pressing concern that requires immediate attention. Oil is vital for lubricating engine components, and a leak can lead to a significant loss of oil, resulting in inadequate lubrication. This can cause increased friction, which may ultimately damage the engine and lead to costly repairs. Moreover, oil leaks can create safety hazards, as oil dripping onto hot engine parts can ignite and pose a fire risk. By delaying repairs, you not only risk further damage to your vehicle but also compromise your safety and that of others on the road. Therefore, it is crucial to address any signs of an oil leak promptly to ensure the longevity of your vehicle and maintain a safe driving environment.

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