2015 Chevrolet Impala Limited Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2015 Chevrolet Impala Limited 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 2015 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 2015 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 are the common causes of oil leaks in a 2015 Chevrolet Impala Limited, and how can they be diagnosed?

To effectively diagnose oil leaks in your 2015 Chevrolet Impala Limited, start with a thorough visual inspection of the engine and surrounding areas. Look for any damp or greasy spots, particularly around the upper engine and oil pan, as these can indicate leaking gaskets or seals. Pay attention to the oil filter; ensure it is properly tightened, as both insufficient and excessive torque can lead to leaks. Next, check for any puddles of oil beneath the vehicle, which can help pinpoint the source of the leak. If you suspect an internal issue, monitor your oil levels regularly to detect excessive consumption, which may suggest worn piston rings or valve seals. Additionally, verify the condition of oil galley plugs, especially if you notice leaks from the head. By following this methodical approach, you can identify the root cause of oil leaks and take appropriate action to maintain your vehicle's performance.

What are the common causes of oil leaks in a 2015 Chevrolet Impala Limited?

When diagnosing oil leaks in a 2015 Chevrolet Impala Limited, it's essential to understand the common culprits that may be at play. One of the primary causes is the failure of oil system components, which can lead to leaks from various points in the engine. Additionally, leaking engine gaskets are frequently responsible for oil seepage, often indicated by greasy spots around the engine or oil pooling beneath the vehicle. While oil pans are generally durable, they can become compromised due to external factors such as accidents or improperly secured drain plugs, necessitating their replacement. Recognizing these symptoms early on is crucial, as neglecting oil leaks can result in significant engine damage and reduced vehicle performance. By being aware of these common issues, DIY enthusiasts can take proactive steps to identify and rectify oil leaks, ensuring their Impala remains in optimal condition.

How urgent is it to address the oil leak in my 2015 Chevrolet Impala Limited?

Addressing an oil leak in your 2015 Chevrolet Impala Limited is crucial for maintaining the vehicle's performance and safety. Ignoring even a minor leak can lead to significant issues, such as engine damage due to insufficient lubrication, which can result in costly repairs. Additionally, oil leaks can create hazardous conditions, including the risk of fire if oil drips onto hot engine components. For DIY enthusiasts, it’s essential to act quickly to identify the source of the leak and implement a fix, whether that involves replacing gaskets, seals, or other components. By prioritizing this repair, you not only safeguard your vehicle's health but also enhance its efficiency and longevity, ensuring a safer driving experience.

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