2016 Ford E-350 Super Duty Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2016 Ford E-350 Super Duty and How to Fix Them

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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 2016 Ford E-350 Super Duty 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 2016 Ford E-350 Super Duty 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 and repair an oil leak in a 2016 Ford E-350 Super Duty?

To effectively diagnose and repair an oil leak in your 2016 Ford E-350 Super Duty, start by visually inspecting the engine and surrounding components to locate the source of the leak. Pay close attention to the oil pan, gaskets, and seals, as these are common culprits. Once you have identified the leak, check the oil level to ensure it is adequate; low levels can indicate a significant leak that requires immediate attention. Next, inspect the gaskets and seals for any signs of wear or damage, as these may need to be tightened or replaced. If you find loose bolts or deteriorated components, addressing these issues can often resolve the leak. After making the necessary repairs, clean the engine thoroughly to remove any residual oil, which will help you monitor for new leaks. Finally, keep an eye on the repaired area over the next few days to ensure that the leak has been successfully stopped. By following this methodical approach, you can confidently tackle oil leaks and maintain your vehicle's performance.

What are the common causes of oil leaks in a 2016 Ford E-350 Super Duty?

When diagnosing oil leaks in a 2016 Ford E-350 Super Duty, it's essential to consider several common issues that may be at play. One frequent culprit is a clogged crankcase vent filter, or CCV filter, which can create excessive pressure in the engine, leading to leaks. Additionally, the cylinder head area is another potential source of oil leaks, often resulting from worn gaskets or seals. For diesel models, the rear main seal is particularly prone to failure, causing significant leaks that can be challenging to address. Furthermore, oil can leak from the front of the engine, typically running down behind the serpentine belt, which may indicate a failing timing cover or oil pump seal. By understanding these common causes, DIYers can effectively pinpoint the source of the leak and take appropriate steps to remedy the issue, ensuring their Ford E-350 Super Duty remains in optimal condition.

How urgent is it to address the oil leak in my 2016 Ford E-350 Super Duty?

Addressing an oil leak in your 2016 Ford E-350 Super Duty 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 essential for lubricating vital components and ensuring smooth operation. Over time, a lack of sufficient oil can cause parts to wear down or even seize, resulting in costly repairs that could have been avoided. Moreover, an oil leak poses safety risks, as it can create slippery conditions on the road, endangering both you and other drivers. The urgency of this situation cannot be overstated; by addressing the leak promptly, you not only maintain your vehicle's performance but also safeguard your investment and ensure safe driving conditions. Therefore, it is advisable to have your Ford E-350 inspected by a qualified mechanic as soon as possible to identify the source of the leak and take necessary corrective actions.

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