1991 Ford Taurus Is Leaking Oil

Identifying Common Causes of Oil Leaks in Your 1991 Ford Taurus 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 1991 Ford Taurus 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 1991 Ford Taurus 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.

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 initial diagnostic steps to take for an oil leak in a 1991 Ford Taurus?

When faced with an oil leak in your 1991 Ford Taurus, a methodical diagnostic approach is essential for effective troubleshooting. Start by locating the leak; inspect the area beneath the vehicle for any visible oil spots or puddles, which can guide you to the source. Next, examine the oil pan for signs of damage or corrosion, as this is a common culprit. Don’t overlook the oil filter; ensure it’s properly secured and free from leaks. The oil drain plug should also be checked for tightness, as a loose plug can lead to significant oil loss. Additionally, inspect the gaskets and seals around the engine, particularly the valve cover and oil pan gaskets, for any wear or damage that could be contributing to the leak. The oil pressure sending unit is another potential source, so be sure to assess it for issues. Lastly, take a look at the oil cooler lines for any signs of leaks. Throughout this process, monitor your oil levels to gauge the severity of the leak and assist in pinpointing the exact source. By following these steps, you can effectively diagnose and address the oil leak in your Taurus, saving time and potentially costly repairs.

What are the common causes of an oil leak in a 1991 Ford Taurus?

When addressing oil leaks in a 1991 Ford Taurus, it's essential to understand the common problems that may arise. One of the primary culprits is the engine oil pan gasket, which can deteriorate over time, leading to oil seepage that may accumulate on the exhaust system, creating a burning smell. Additionally, the rubber material of the gasket can break down due to age and exposure, resulting in visible oil puddles under the vehicle when parked. This not only affects engine lubrication but also poses a potential fire hazard if left unaddressed. Other components, such as the oil cap gasket ring and the valve cover gasket on bank 2, can also contribute to leaks when the engine is running. Regular inspection of the oil filter and its surrounding areas is crucial, as improper removal of the rubber seal during filter changes can lead to leaks as well. By being aware of these common issues and conducting routine maintenance, you can effectively manage oil leaks and prevent further engine damage or safety risks.

How urgent is it to address the oil leak in a 1991 Ford Taurus?

When dealing with an oil leak in a 1991 Ford Taurus, it is crucial to recognize the urgency of the situation. A minor leak may seem manageable, but even small amounts of oil loss can lead to significant engine performance issues over time. The oil serves as a vital lubricant for engine components, and any reduction in oil levels can increase friction, resulting in wear and tear that could ultimately damage the engine. Moreover, the risk of fire is a serious concern, as oil can drip onto hot engine parts, creating hazardous conditions. Additionally, oil leaks pose safety risks on the road, as they can create slippery surfaces that endanger both the driver and other vehicles. Beyond personal safety, there are environmental implications to consider; leaked oil can contaminate soil and water sources, making prompt repairs essential. Therefore, addressing an oil leak without delay is not just about maintaining vehicle performance; it is also about ensuring safety and protecting the environment. For DIY enthusiasts, understanding these factors can guide timely action and prevent more extensive and costly repairs down the line.

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