2004 Ford Explorer Sport Trac Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2004 Ford Explorer Sport Trac 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 2004 Ford Explorer Sport Trac 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 2004 Ford Explorer Sport Trac 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 2004 Ford Explorer Sport Trac?

To effectively diagnose an oil leak in your 2004 Ford Explorer Sport Trac, begin by visually inspecting the area beneath your vehicle for any signs of oil pooling or dripping, as this can help you pinpoint the leak's location. Next, examine the engine components, particularly the oil pan, valve cover gaskets, and oil filter, for any visible signs of oil seepage. It's also crucial to check the oil level in the engine; a significant drop may indicate a leak. Pay special attention to the oil filter, as a damaged or improperly installed filter can lead to leaks. Additionally, ensure that the oil drain plug is secure and free from damage, as a loose plug can contribute to oil loss. Don't overlook the oil pan gasket, which can wear out over time and cause leaks. Finally, consider inspecting other potential sources such as oil cooler lines, the oil pressure sensor, or the rear main seal. By following this methodical approach, you can effectively identify the source of the oil leak and take appropriate action to address it.

What are the common causes of oil leaks in a 2004 Ford Explorer Sport Trac?

When dealing with oil leaks in a 2004 Ford Explorer Sport Trac, it's crucial to understand the common culprits that may be at play. One of the primary issues is a worn or damaged oil pan gasket, which can lead to noticeable oil spots under the vehicle. Another frequent source of leaks is the valve cover gasket, which can degrade over time, allowing oil to seep out around the valve covers. Additionally, the oil filter housing gasket can fail, resulting in leaks within the engine bay. A more serious concern is the rear main seal leak, located at the back of the engine, which can cause oil to drip onto the ground. Lastly, oil cooler line leaks are also possible due to wear and tear, contributing to oil loss in the engine compartment. Addressing these leaks promptly is essential to prevent further engine damage and maintain optimal vehicle performance. Regular inspections and maintenance can help you catch these issues early, ensuring your Explorer Sport Trac runs smoothly.

How urgent is it to address the oil leak in my 2004 Ford Explorer Sport Trac?

Addressing an oil leak in your 2004 Ford Explorer Sport Trac is not just a matter of routine maintenance; it is a critical safety concern that demands immediate attention. Ignoring an oil leak can lead to a cascade of problems, including reduced oil levels that compromise engine lubrication, resulting in increased friction and wear on vital components. This not only jeopardizes the engine's longevity but can also lead to expensive repairs down the line. Moreover, oil that drips onto hot engine parts poses a significant fire hazard, making it essential to act swiftly. The performance of your vehicle can also suffer, with potential decreases in fuel efficiency and overall functionality. Additionally, continuous leaks can damage surrounding components, such as rubber hoses and seals, leading to further complications. Therefore, it is imperative to address any signs of an oil leak promptly to safeguard your vehicle's performance and your safety on the road.

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2004 Ford Explorer Sport Trac Leaking Oil: Causes & Repairs