2015 Chevrolet City Express Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2015 Chevrolet City Express 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 City Express 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 City Express 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 are the initial steps to diagnose an oil leak in a 2015 Chevrolet City Express?

To effectively diagnose an oil leak in your 2015 Chevrolet City Express, start with a straightforward approach that prioritizes simplicity and cost-effectiveness. Begin by adding an oil leak stopper to the oil fill hole; this can serve as a temporary fix while you investigate further. Next, inspect key components such as the turbocharger and oil pan for any visible signs of leakage. Pay close attention to areas where oil may accumulate, as this can help you narrow down the source of the leak. If the leak persists or is difficult to locate, consider completing the current Service Information (SI) diagnostics for a more thorough analysis. This structured approach not only helps in identifying the leak's origin but also guides you in taking the necessary steps to resolve the issue efficiently. By following these initial steps, you can tackle the problem with confidence and potentially save on costly repairs.

What are the common causes of oil leaks in a 2015 Chevrolet City Express?

When dealing with oil leaks in a 2015 Chevrolet City Express, it's crucial to understand the common culprits that may be at play. One frequent issue is a worn or damaged oil pan gasket, which can deteriorate over time and lead to significant leaks. Additionally, a faulty oil filter can also be a source of oil leakage, as it may not create a proper seal, allowing oil to escape from the engine. Another area to inspect is the oil drain plug; if it is loose or damaged, it can easily result in oil loss. Furthermore, the valve cover gasket is essential for sealing the valve cover to the engine, and if it becomes worn, it can lead to leaks as well. Lastly, oil cooler line leaks are another possibility, as these lines can develop issues over time, causing oil to seep out. Addressing these problems promptly is vital to prevent further engine damage and ensure your vehicle runs smoothly. Regular inspections and maintenance can help you catch these issues early, allowing for a more straightforward DIY repair process.

How urgent is it to address the oil leak in a 2015 Chevrolet City Express?

Addressing an oil leak in a 2015 Chevrolet City Express is not just a matter of routine maintenance; it is a pressing concern that requires immediate attention. Ignoring an oil leak can lead to severe engine damage due to inadequate lubrication, which may result in overheating and increased wear on engine components. This not only jeopardizes the vehicle's performance but can also lead to costly repairs that could have been avoided with timely intervention. Furthermore, oil leaks pose significant safety risks, as they can create hazardous driving conditions by making roads slippery, increasing the likelihood of accidents. From an environmental perspective, oil leaks can contaminate local ecosystems, making it crucial to act swiftly to mitigate any potential harm. Lastly, addressing the leak promptly can save you money in the long run by preventing more extensive damage that would require expensive repairs. For DIY enthusiasts, understanding the urgency of this issue is essential, as taking proactive steps can ensure both the safety of the driver and the longevity of the vehicle.

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