2013 Chevrolet Impala Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2013 Chevrolet Impala and How to Fix Them

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Reviewed by
Andrew Hajjar
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 2013 Chevrolet Impala 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 2013 Chevrolet Impala 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.

A bad oil level sensor may cause a false reading of the engine oil level. The oil level warning light may illuminate even when the oil level (checked manually) is within an acceptable range. The warning light may also come on and off intermittently if the sensor is faulty. An error code may be sent to the PCM and a check engine light may come on the dashboard as well if the sensor is bad.

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 steps to diagnose the oil leak in a 2013 Chevrolet Impala?

To effectively diagnose an oil leak in your 2013 Chevrolet Impala, start by conducting a thorough visual inspection of the engine and surrounding areas to pinpoint the source of the leak. Look for signs of oil pooling or streaks that may indicate where the oil is escaping. Next, determine whether the leak is originating from common areas such as the oil system components or engine gaskets. Familiarizing yourself with typical causes of oil leaks in this model can also provide valuable insights, as it may help you identify the issue more quickly. If the leak appears minor, consider using an oil leak stopper, which can be added directly to the oil fill hole as a temporary fix. However, if the problem persists, it’s crucial to identify the specific component responsible for the leak and address it directly to prevent further damage and ensure the longevity of your vehicle. By following this diagnostic approach, you can tackle the issue systematically, starting with simpler solutions before moving on to more complex repairs.

What are the common causes of oil leaks in a 2013 Chevrolet Impala?

When diagnosing oil leaks in a 2013 Chevrolet Impala, it's essential to understand the common problems that may arise. One of the primary culprits is the deterioration of engine gaskets, particularly the front crankshaft seal, which can wear down over time and lead to leaks. Additionally, worn gaskets and seals throughout the engine can contribute to oil seepage, as they lose their effectiveness with age. Another area to inspect is the oil pan sealing surface; warpage or tapering can create gaps that allow oil to escape between the engine oil pan and the front cover. The oil filter area is also a potential source of leaks, so checking for proper installation and any signs of damage is crucial. Furthermore, oil leaks can occur between the engine and transmission mounting surfaces, often linked to issues with the crankshaft thrust bearing wing. It's important to address these leaks promptly, as excessive oil consumption not only leads to leaks but can also result in poor lubrication and premature engine wear, ultimately risking engine failure. Regular maintenance and vigilance for any signs of oil leaks can help maintain the health of your vehicle and prevent more significant issues down the road.

How urgent is it to address the oil leak in my 2013 Chevrolet Impala?

Addressing an oil leak in your 2013 Chevrolet Impala is not just a matter of routine maintenance; it is a critical issue that demands immediate attention. An oil leak can lead to a significant drop in oil levels, which compromises the engine's lubrication system, increasing the risk of severe engine damage over time. Furthermore, neglecting this problem can result in engine overheating, which may lead to catastrophic mechanical failures or even complete engine failure. The safety implications are equally concerning, as leaking oil can drip onto hot engine components, creating a fire hazard. By addressing the oil leak promptly, you not only safeguard your vehicle's performance but also prevent potentially costly repairs down the line. Therefore, it is essential to take action as soon as you notice any signs of an oil leak to ensure the longevity and safety of your Chevrolet Impala.

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