Ford Excursion Is Leaking Oil

Discover the Common Causes of Oil Leaks in Your Ford Excursion and How to Fix Them Effectively

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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 Ford Excursion 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 Ford Excursion 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.

Troubleshooting Oil Leaks in a Ford Excursion

When troubleshooting oil leaks in your Ford Excursion, begin by inspecting the cooler lines and sending unit, as these are often the most straightforward areas to check for leaks. Look for any visible signs of oil or damage, which can indicate a problem. Next, examine the filter adapter for loose connections or leaks, as a faulty adapter can lead to significant oil loss. If these initial checks do not reveal the source of the leak, turn your attention to the head gasket, particularly on the passenger side, where oil may seep onto the starter, causing both oil loss and potential starter issues. Additionally, assess the crankcase ventilation (CCV) system, focusing on the valve cover and oil cooler/filter housing for any signs of leakage. High-pressure oil lines should also be inspected, as any damage here can lead to leaks that are more challenging to address. Finally, check the valley area of the engine; while a slight moisture presence is normal, excessive oil accumulation may signal a more serious leak. By following this diagnostic approach, you can effectively identify and resolve oil leaks, ensuring your Ford Excursion remains in optimal condition.

How to Diagnose and Fix Oil Leaks in a Ford Excursion?

When tackling oil leaks in a Ford Excursion, it's essential to understand the common problems that can arise within the vehicle's oil system. One frequent issue is the deterioration of gaskets and seals, which can lead to leaks at critical junctions such as the oil pan or valve covers. Additionally, worn drain plugs can also be a source of oil loss, so inspecting these components is crucial. Another common failure mode is the head gasket, particularly on the passenger side, where leaks can contaminate the starter and lead to further complications. It's also important to consider the condition of the lower baffle, as improper cleaning can result in oil pooling and subsequent leaks. By being aware of these potential issues, you can more effectively diagnose the source of the leak and take appropriate action, whether that involves replacing gaskets, tightening seals, or even upgrading components like the turbo and injectors to enhance overall system integrity. Understanding these common problems will empower you to address oil leaks proactively and maintain your Ford Excursion in optimal condition.

Why is it Urgent to Address Oil Leaks in a Ford Excursion?

Addressing oil leaks in a Ford Excursion is not just a matter of routine maintenance; it is an urgent necessity that can have serious implications for both the vehicle and the environment. Ignoring oil leaks can lead to significant engine damage due to insufficient lubrication, which increases friction and wear on vital components. This can result in costly repairs that could have been avoided with timely intervention. Moreover, oil leaks can create hazardous conditions, such as contamination of the starter from oil seeping from the passenger-side head gasket, leading to electrical failures. The environmental impact is also a concern, as spilled oil can seep into the ground and waterways, contributing to pollution. Additionally, the risk of fire cannot be overlooked; leaked oil can ignite when it comes into contact with hot engine parts, posing a serious safety threat. Therefore, it is imperative for Ford Excursion owners to address oil leaks promptly to ensure vehicle safety, protect the environment, and avoid expensive repairs down the line.

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