2012 Ford F-350 Super Duty Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2012 Ford F-350 Super Duty and How to Fix Them

Find Repair Location
Reviewed by
Aisha
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 2012 Ford F-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 2012 Ford F-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 steps should I take to diagnose the oil leak in my 2012 Ford F-350 Super Duty?

To effectively diagnose the oil leak in your 2012 Ford F-350 Super Duty, start by locating the source of the leak, as this is essential for any successful repair. Begin your inspection with the oil pan, checking for signs of leakage, particularly around the gasket or seal, which are common culprits. Next, examine the engine gaskets, as they often contribute to oil leaks in these trucks. Pay special attention to the back plate and rear seal, as issues here can also lead to significant leaks. If the source remains elusive, consider using a UV leak detector dye, which can help pinpoint the exact location of the leak. Additionally, for models with a 6.7L engine, inspect the oil filter and crankcase vent oil separator, as these components can also be sources of oil leaks. Finally, look for oil spots on the ground beneath your truck, as they can provide clues to the leak's origin. By following this systematic approach, you can diagnose the oil leak effectively and determine the necessary repairs.

What are the common causes of oil leaks in a 2012 Ford F-350 Super Duty?

When dealing with oil leaks in a 2012 Ford F-350 Super Duty, 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 and lead to significant leaks. Additionally, valve cover gaskets are another common source of leaks, as they can wear out and allow oil to escape from the top of the engine. Another potential problem is the oil filter housing gasket, which can fail and result in oil seeping out. The rear main seal, located at the back of the engine, is also prone to leaks as it ages. Lastly, the oil cooler gasket can deteriorate, contributing to oil leaks as well. Addressing these issues promptly is essential to prevent further engine damage and maintain optimal vehicle performance. Regular inspections and maintenance can help you catch these problems early, allowing for a DIY approach to repairs.

How urgent is it to address the oil leak in my 2012 Ford F-350 Super Duty?

Addressing an oil leak in your 2012 Ford F-350 Super Duty is not just a matter of routine maintenance; it is a pressing issue that requires immediate attention. Ignoring an oil leak can lead to a significant drop in oil levels, which compromises the lubrication of essential engine components. This lack of lubrication can result in severe engine damage over time, leading to costly repairs that could have been easily avoided. Furthermore, an oil leak can cause the engine to overheat, as insufficient lubrication prevents the engine from operating efficiently. This overheating not only risks engine failure but also poses a serious safety hazard, as leaking oil can drip onto hot engine parts, increasing the risk of a fire. Therefore, it is crucial to address any signs of an oil leak promptly to ensure the safe and efficient operation of your Ford F-350 Super Duty, protecting both your vehicle and your investment.

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.

2012 Ford F-350 Super Duty Oil Leak Causes & Diagnosis