2013 Chevrolet Suburban 2500 Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2013 Chevrolet Suburban 2500 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 2013 Chevrolet Suburban 2500 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 Suburban 2500 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 the oil leak in a 2013 Chevrolet Suburban 2500?

To diagnose an oil leak in your 2013 Chevrolet Suburban 2500, start by checking under the vehicle for any visible signs of oil pooling or dripping, as this can help pinpoint the leak's location. Next, inspect the engine compartment for oil residue around critical components like the oil pan, valve cover gaskets, and oil filter, as these are common areas where leaks occur. It's also essential to check the oil level; a lower-than-normal level may indicate a leak. Don’t forget to examine the oil filler cap to ensure it is securely fastened, as a loose cap can lead to oil loss. Additionally, look for oil stains on the engine block and surrounding hoses, which can provide clues about the leak's source. If these steps do not reveal the problem, or if the leak persists, consulting a mechanic for a professional diagnosis is advisable. By following this systematic approach, you can effectively identify and address oil leaks in your vehicle.

What are the common causes of oil leaks in a 2013 Chevrolet Suburban 2500?

When dealing with oil leaks in a 2013 Chevrolet Suburban 2500, it's essential to understand the common culprits that may be at play. One frequent source is the rocker cover gasket, which can wear out over time, leading to leaks around the engine. Similarly, the oil pan gasket, which seals the oil pan to the engine block, is prone to deterioration and can also be a significant leak point. Don't overlook the oil filter gasket, as it can degrade and allow oil to escape, especially if the filter has been recently changed. Additionally, the oil pump gasket is another area where leaks can occur due to wear. Other potential sources include crank sensor leaks, valve cover gasket failures, pressure sending unit leaks, and leaks from the oil cooler lines. To effectively tackle these issues, it's crucial to regularly inspect these components and address any signs of wear or damage promptly. By doing so, you can maintain the performance of your Suburban and prevent further complications down the line.

How urgent is it to address the oil leak in a 2013 Chevrolet Suburban 2500?

Addressing an oil leak in your 2013 Chevrolet Suburban 2500 is not just a matter of routine maintenance; it is a critical issue that demands immediate attention. An oil leak can lead to a rapid decrease in oil levels, which compromises the engine's lubrication system, increasing the risk of severe engine damage over time. Furthermore, insufficient lubrication can cause the engine to overheat, potentially resulting in catastrophic mechanical failures that could leave you stranded or facing costly repairs. The safety implications are equally concerning, as leaking oil can drip onto hot engine components, creating a fire hazard that endangers both the vehicle and its occupants. By prioritizing the repair of an oil leak, you not only protect your investment but also ensure the safe and efficient operation of your vehicle. Ignoring this issue can lead to more extensive damage and higher repair costs down the line, making it imperative to act swiftly.

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