2016 Chevrolet Impala Limited Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2016 Chevrolet Impala Limited and How to Fix Them

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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 2016 Chevrolet Impala Limited 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 2016 Chevrolet Impala Limited 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.

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 2016 Chevrolet Impala Limited?

To effectively diagnose an oil leak in your 2016 Chevrolet Impala Limited, begin with a systematic approach that prioritizes simpler checks before delving into more complex issues. Start by locating the leak; inspect the area beneath your vehicle for any visible oil spots or drips, which can help pinpoint the source. Next, examine the oil pan for cracks or damage, as this is a common culprit. Ensure that the oil filter is securely installed, as a loose or damaged filter can also lead to leaks. Don’t overlook the oil drain plug; if it’s loose, tightening it may resolve the issue. The valve cover gasket is another frequent source of leaks, so check for oil accumulation around it. Additionally, inspect the oil cooler lines and the oil pressure sensor for any signs of wear or leakage. Finally, keep an eye on your oil levels over time to monitor for significant drops, which can indicate an ongoing leak. By following this methodical approach, you can effectively identify and address the oil leak in your vehicle.

What are the common causes of oil leaks in a 2016 Chevrolet Impala Limited?

When dealing with oil leaks in a 2016 Chevrolet Impala Limited, it's crucial to understand the common problems that may arise. One of the primary culprits is the failure of oil system components, which can lead to significant leaks if not addressed. Additionally, leaking engine gaskets and worn seals are frequent issues that can compromise the integrity of the oil system, allowing oil to escape. Excessive oil consumption can also indicate underlying problems, such as engine wear or improper maintenance, which may contribute to leaks. Furthermore, a missing non-return valve can increase crankcase pressure, exacerbating the likelihood of oil leaks. By being aware of these common causes, DIY enthusiasts can take proactive steps to diagnose and repair oil leaks, ensuring their vehicle remains in optimal condition and preventing further damage to the engine.

How urgent is it to address the oil leak in my 2016 Chevrolet Impala Limited?

Addressing an oil leak in your 2016 Chevrolet Impala Limited is not just a matter of routine maintenance; it is a critical safety concern that requires immediate attention. An oil leak can significantly reduce the oil levels in your engine, leading to inadequate lubrication of essential components. This lack of lubrication can cause severe engine wear and tear, ultimately resulting in costly repairs or even engine failure. Moreover, if left unchecked, the overheating of the engine due to insufficient oil can create a hazardous situation, increasing the risk of fire as leaking oil may come into contact with hot engine parts. Therefore, it is crucial to act swiftly when you notice any signs of an oil leak. By addressing the issue promptly, you not only protect your vehicle's performance but also ensure your safety on the road.

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2016 Chevrolet Impala Limited Leaking Oil - Solutions