2013 Chevrolet Express 1500 Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2013 Chevrolet Express 1500 and How to Fix Them

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Reviewed by
Bo Fader
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 Express 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 2013 Chevrolet Express 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

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 steps should I take to diagnose the oil leak in my 2013 Chevrolet Express 1500?

To effectively diagnose an oil leak in your 2013 Chevrolet Express 1500, start by checking for any visible signs of oil under the vehicle, as this can provide immediate clues about the leak's location. Next, inspect the oil filter and oil drain plug, as these are common culprits for leaks and may simply need replacement. If the leak persists, delve deeper by examining the oil pressure sender and crankshaft o-ring, as these components can also contribute to oil loss. Additionally, consider the condition of the piston rings, particularly since low tension piston rings in this model can lead to oil seepage. By systematically assessing these areas, you can identify the source of the leak and determine the necessary repairs, ensuring a thorough and efficient diagnostic process.

What are the common causes of oil leaks in a 2013 Chevrolet Express 1500?

When diagnosing oil leaks in a 2013 Chevrolet Express 1500, it's essential to understand the common problems that may arise. One of the primary culprits is the degradation of engine gaskets, particularly the rocker cover gasket, oil pan gasket, and oil filter gasket, which can wear out over time and lead to leaks. Additionally, the oil filter adapter and even a loose or damaged oil cap can contribute to oil escaping from the engine. Another significant issue to consider is the condition of the piston rings; low tension in these rings can allow oil to seep from the crankcase into the combustion chamber, where it is burned off, resulting in a noticeable drop in oil levels. Addressing these issues promptly is crucial, as neglecting them can lead to more severe engine problems and decreased vehicle performance. For DIY enthusiasts, inspecting these components regularly can help maintain the integrity of the engine and prevent costly repairs down the line.

How urgent is it to address the oil leak in a 2013 Chevrolet Express 1500?

Addressing an oil leak in your 2013 Chevrolet Express 1500 is not just a matter of routine maintenance; it is a critical safety concern that requires immediate attention. Oil is vital for lubricating engine components, and a leak can lead to a significant loss of oil, resulting in inadequate lubrication. This can increase friction among engine parts, potentially causing severe damage over time. Moreover, an oil leak poses a fire hazard, especially if the oil comes into contact with hot engine surfaces, creating a dangerous situation that could endanger both the vehicle and its occupants. Additionally, driving with a compromised oil level can lead to a drop in oil pressure, which may cause the engine to overheat and ultimately fail. Therefore, it is essential to address any signs of an oil leak promptly to ensure the safe and efficient operation of your vehicle, preventing costly repairs and enhancing your driving experience.

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