1999 Dodge Durango Is Leaking Oil

Common Causes of Oil Leaks in Your 1999 Dodge Durango 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 1999 Dodge Durango is leaking oil are oil system component failure and leaking engine gaskets.
  • Oil System Components: A failure in oil system components, such as a worn oil pump or clogged oil filter, can lead to 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 1999 Dodge Durango 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 1999 Dodge Durango?

To effectively diagnose the oil leak in your 1999 Dodge Durango, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by checking the oil levels to assess any significant loss, which can indicate a leak. Next, inspect the area beneath the vehicle for visible signs of oil, such as puddles or drips, which can help you identify the general location of the leak. Once you have a potential area, examine key engine components like the oil filter, oil pan, and valve cover gaskets for any signs of leakage. Utilizing UV dye can be particularly helpful, as it allows you to trace the source of the leak more easily under a black light. After cleaning the suspected area to remove any oil residue, monitor the oil light on your dashboard for any flickering, which may signal ongoing issues. If these steps do not lead to a clear diagnosis, it may be wise to consult a professional mechanic for a thorough inspection and repair. This methodical approach not only aids in identifying the leak but also ensures that you address the issue effectively and efficiently.

What are the common causes of oil leaks in a 1999 Dodge Durango?

When dealing with oil leaks in a 1999 Dodge Durango, it's essential to understand the most common culprits that could be causing the problem. One of the primary sources of oil leaks is the failure of oil system components, particularly engine gaskets, which can deteriorate over time and lead to significant leaks. Additionally, the oil cooler line is prone to corrosion, especially in older models that have been subjected to harsh weather, making it a frequent point of failure. A faulty oil filter can also contribute to leaks, as it may not seal properly, allowing oil to escape. It's important to check the distributor area as well, as oil leaks here can often be misdiagnosed, leading to unnecessary repairs. Lastly, external leaks from the valve cover gaskets, intake manifold gaskets, and the rear crankshaft seal are common issues that should be inspected. By identifying these potential problem areas, DIYers can take proactive steps to address oil leaks and maintain their Dodge Durango effectively.

How urgent is it to address the oil leak in a 1999 Dodge Durango?

When dealing with an oil leak in a 1999 Dodge Durango, understanding the urgency of the situation is crucial for maintaining the vehicle's health and safety. Ignoring an oil leak can lead to severe engine damage, which may result in costly repairs or even engine failure. If you notice a significant leak, characterized by constant dripping or visible oil stains, it is imperative to act quickly. While minor leaks may allow for some leeway, as long as you consistently monitor and top off the oil level, neglecting a more serious leak can escalate into a dangerous situation. Regularly checking your oil levels and addressing any leaks promptly not only ensures the longevity of your engine but also enhances your safety on the road. Therefore, if you suspect a leak, take the time to investigate and repair it as soon as possible to avoid further complications.

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