2013 Chevrolet Suburban 1500 Is Leaking Oil

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

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Reviewed by
Devin Cabugcal
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 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 Suburban 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 Suburban 1500?

When diagnosing an oil leak in your 2013 Chevrolet Suburban 1500, it's essential to adopt a systematic approach that begins with the simplest potential issues before moving on to more complex diagnostics. Start by checking the oil filler cap, as a loose or damaged cap can often be the culprit behind minor leaks. Next, inspect the oil pressure sender, which can sometimes fail and lead to oil seeping out. The crankshaft o-ring is another critical area to examine, as it is a common source of leaks in many vehicles. Additionally, ensure that the oil filter is securely installed and not the source of the problem. The oil pan gasket should also be inspected, as wear and tear can lead to leaks over time. Finally, take a moment to look underneath your vehicle for any visible signs of oil pooling or dripping, which can help you pinpoint the exact location of the leak. By following this methodical approach, you can effectively identify the source of the oil leak and take the necessary steps to resolve it.

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

When dealing with oil leaks in a 2013 Chevrolet Suburban 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 leaks. Similarly, valve cover gaskets are prone to wear, and their failure can result in oil seeping out from the engine. Another area to inspect is the oil filter housing gasket; if this component fails, it can create a pathway for oil to escape. Additionally, the rear main seal, located at the back of the engine, is another potential source of leaks, especially as the vehicle ages. Lastly, oil cooler line leaks can occur, particularly if the lines are corroded or improperly secured. Addressing these issues promptly is essential not only for maintaining engine performance but also for preventing further damage. Regular inspections and maintenance can help you catch these problems early, allowing for a DIY fix that can save you time and money.

How urgent is it to address the oil leak in my 2013 Chevrolet Suburban 1500?

Addressing an oil leak in your 2013 Chevrolet Suburban 1500 is not just a matter of routine maintenance; it is a critical safety concern that demands immediate attention. Ignoring an oil leak can lead to a significant drop in oil levels, which compromises the lubrication of essential engine components. This lack of lubrication can result in severe engine damage over time, leading to costly repairs that could have been easily avoided. Furthermore, an oil leak increases the risk of engine overheating, as insufficient lubrication can cause friction and heat buildup, potentially resulting in catastrophic engine failure. Additionally, the presence of leaking oil poses a fire hazard, especially when it drips onto hot engine parts. Therefore, it is crucial to address any signs of an oil leak promptly to ensure the safe and efficient operation of your Chevrolet Suburban 1500, protecting both your vehicle and your safety on the road.

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