2017 Chevrolet Silverado 1500 Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2017 Chevrolet Silverado 1500 and How to Fix Them

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Reviewed by
Aisha
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 2017 Chevrolet Silverado 1500 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 2017 Chevrolet Silverado 1500 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

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 potential causes and solutions for the oil leak in a 2017 Chevrolet Silverado 1500?

When tackling an oil leak in your 2017 Chevrolet Silverado 1500, it's essential to adopt a systematic diagnostic approach. Start by inspecting the most accessible components, such as the oil drain plug and oil filter, as these are common culprits for leaks. Ensure the oil drain plug is securely tightened and check for any signs of damage. Next, examine the oil filter for proper installation and any visible wear. If these initial checks do not reveal the source of the leak, move on to inspecting the gaskets and seals, as they can degrade over time and lead to oil seepage. Should the leak persist, assess the oil pan for cracks, which can occur due to road debris or corrosion. Finally, if all else fails, consider the condition of the oil cooler lines and the possibility of excessive oil pressure, which may require more advanced diagnostics. By following this methodical approach, you can effectively identify and resolve the oil leak, ensuring your Silverado remains in optimal condition.

What are the common causes of oil leaks in a 2017 Chevrolet Silverado 1500?

When diagnosing oil leaks in a 2017 Chevrolet Silverado 1500, 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 oil loss. Additionally, valve cover gasket leaks are another common problem, as these gaskets can wear out and allow oil to escape from the engine. The oil filter housing gasket is also a potential source of leaks; if it fails, oil can seep out around the filter area. Another area to inspect is the rear main seal, located at the back of the engine, which can develop leaks and cause oil to escape. Lastly, oil cooler line leaks can occur, particularly in older vehicles, where the lines transporting oil to and from the cooler may corrode or crack. Addressing these issues promptly is essential to prevent further engine damage and maintain optimal vehicle performance. Regular inspections and maintenance can help you catch these problems early, ensuring your Silverado remains in top shape.

How urgent is it to address the oil leak in my 2017 Chevrolet Silverado 1500?

Addressing an oil leak in your 2017 Chevrolet Silverado 1500 is not just a matter of convenience; it is a critical issue that requires immediate attention. Ignoring an oil leak can lead to severe engine damage due to inadequate lubrication, which increases friction and heat among engine components. This can result in costly repairs and a significant decrease in your vehicle's performance. Additionally, oil leaks pose environmental hazards, as they can contaminate soil and water sources, contributing to pollution. Safety is another major concern; oil spills can create slippery surfaces, heightening the risk of accidents for both you and other drivers. Furthermore, delaying repairs can lead to more extensive damage, ultimately resulting in higher repair costs. Therefore, it is essential to act quickly and have the leak inspected and repaired by a qualified mechanic to ensure the longevity and optimal performance of your vehicle.

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