Oldsmobile Cutlass Is Leaking Oil

Discover Common Causes of Oil Leaks in Your Oldsmobile Cutlass and How to Fix Them Effectively

Find Repair Location
Reviewed by
Devin Cabugcal
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 Oldsmobile Cutlass 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 Oldsmobile Cutlass 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.

How to Diagnose and Fix Oil Leaks in an Oldsmobile Cutlass?

When tackling oil leaks in your Oldsmobile Cutlass, start with a thorough visual inspection to identify the source of the leak. Look for oil stains or puddles beneath the vehicle and around the engine, using a flashlight to illuminate hard-to-see areas. Focus on common problem zones such as the oil system components, engine gaskets, and the valve cover gasket, as these are frequent culprits. If you discover a minor leak, consider using an oil leak stopper, which can be added directly to the oil fill hole for a quick and cost-effective fix. However, if the leak appears more severe or if you are uncertain about its origin, it’s wise to consult a professional mechanic for a precise diagnosis. Additionally, pay attention to specific issues like oil pouring from the dipstick, which may indicate a need to replace the PCV valve. By following this diagnostic approach, you can effectively address oil leaks in your Oldsmobile Cutlass, ensuring your vehicle runs smoothly and efficiently.

How to Address Oil Leaks in an Oldsmobile Cutlass?

When tackling oil leaks in an Oldsmobile Cutlass, it's essential to be aware of the common problems that can arise within the vehicle's oil system. One frequent issue is the deterioration of gaskets, particularly the valve cover and oil pan gaskets, which can become brittle over time and lead to leaks. Additionally, the oil pump drive o-ring is another common culprit, as wear and tear can cause it to fail, resulting in oil seeping out. It's also important to consider the condition of the oil filter and drain plug, as improper installation or damage can lead to leaks. Regularly inspecting these components can help you identify potential issues before they escalate. If you notice oil pooling under your vehicle or a drop in oil levels, these signs may indicate a leak that requires immediate attention. By understanding these common failure modes, you can better diagnose the problem and decide whether a DIY fix or professional assistance is necessary to keep your Oldsmobile Cutlass running smoothly.

How Urgent is it to Address an Oil Leak in an Oldsmobile Cutlass?

Addressing an oil leak in your Oldsmobile Cutlass is not just a matter of convenience; it is crucial for the longevity and performance of your vehicle. Ignoring an oil leak can lead to a significant drop in oil levels, which may result in severe engine damage or even complete engine failure. The costs associated with such repairs can be exorbitant, far exceeding the relatively low price of a professional inspection, which averages around $95. Additionally, oil leaks can stem from various issues, including failing engine gaskets or problems with the oil pump, making it essential to identify the source promptly. By taking action at the first sign of an oil leak, you not only safeguard your engine's health but also ensure that your Cutlass continues to operate smoothly and efficiently. Therefore, while it may not seem urgent compared to other mechanical failures, addressing an oil leak should be a priority to prevent more serious and costly problems down the road.

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.