2016 Chevrolet City Express Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2016 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 2016 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 2016 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 steps to diagnose an oil leak in a 2016 Chevrolet City Express?

To effectively diagnose an oil leak in your 2016 Chevrolet City Express, start by locating the leak. Begin by inspecting the area where you typically park your vehicle for any oil puddles or stains, as these can provide initial clues. Next, check the oil level using the dipstick; a significant drop may indicate a leak. Move on to a thorough inspection of the engine, paying close attention to common leak points such as the valve cover gasket, oil pan gasket, oil filter, and drain plug, looking for any visible signs of oil seepage. Don’t forget to examine the hoses and lines, including the oil cooler lines and oil pressure sending unit, for potential leaks. If the source remains elusive, consider adding UV dye to the engine oil and running the engine; this will allow you to use a UV light to identify the leak's origin. For more complex issues, performing a pressure test on the oil system can help pinpoint hidden leaks. If you still cannot find the source of the leak, it may be wise to consult a mechanic for a professional assessment. This step-by-step approach ensures that you systematically address the issue, starting with the most straightforward checks before moving on to more advanced diagnostics.

What are the common causes of oil leaks in a 2016 Chevrolet City Express?

When dealing with oil leaks in a 2016 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 or improperly installed oil filter can also be a source of oil leakage, making it essential to ensure that the filter is correctly fitted during oil changes. Another area to inspect is the valve cover gasket, as wear and tear can cause it to fail, resulting in oil seeping out. Don't overlook the oil drain plug; if it's loose or damaged, it can easily allow oil to escape. Lastly, consider the engine oil cooler, as leaks in this component can contribute to oil loss as well. By regularly checking these areas and addressing any issues promptly, DIYers can maintain their vehicle's performance and prevent further engine damage.

How urgent is it to address the oil leak in my 2016 Chevrolet City Express?

Addressing an oil leak in your 2016 Chevrolet City Express is not just a matter of routine maintenance; it is a critical issue that demands immediate attention. Ignoring an oil leak can lead to severe engine damage, as the oil is essential for lubricating and cooling engine components. Over time, a small leak can escalate into a larger problem, resulting in costly repairs that could have been easily avoided. Moreover, an oil leak poses safety risks, such as creating slippery conditions on the road or increasing the likelihood of a fire if the oil comes into contact with hot engine parts. By promptly addressing the leak, you not only maintain the performance and efficiency of your vehicle but also ensure your safety and the longevity of your Chevrolet City Express. Therefore, it is imperative to take action as soon as you notice any signs of an oil leak to prevent further complications and safeguard your investment.

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