2013 GMC Savana 2500 Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2013 GMC Savana 2500 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 GMC Savana 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 GMC Savana 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 steps should I take to diagnose the oil leak in my 2013 GMC Savana 2500?

To effectively diagnose an oil leak in your 2013 GMC Savana 2500, begin with a systematic approach that prioritizes simpler checks before moving on to more complex diagnostics. Start by locating the leak; inspect the ground beneath your vehicle for any visible oil spots, which can help you identify the general area of the leak. Next, examine the oil pan for cracks or damage, as this is a common source of leaks. Ensure that the oil filter is securely installed, as a loose or damaged filter can also lead to oil loss. Don’t forget to check the oil drain plug; if it’s loose, tightening it may resolve the issue. Additionally, inspect the gaskets and seals around engine components, such as the valve cover and oil pan gaskets, for signs of wear or deterioration. If the source remains elusive, consider performing a pressure test to detect leaks that are not immediately visible. Should these steps not yield results, consulting a professional mechanic is advisable to ensure a thorough diagnosis and repair. By following this structured approach, you can efficiently identify and address the oil leak in your vehicle.

What are the common causes of oil leaks in a 2013 GMC Savana 2500?

When dealing with oil leaks in a 2013 GMC Savana 2500, it's crucial to understand the common culprits that may be causing the problem. One frequent issue is the deterioration of the oil pan gasket, which can wear out over time, leading to leaks. Similarly, valve cover gaskets are prone to wear and can also result in oil seeping from the engine. Another area to inspect is the oil filter housing gasket; if this component fails, it can create significant leaks that need immediate attention. Additionally, the rear main seal, located at the back of the engine, can develop leaks as it ages, which may require replacement to stop the oil from leaking. Lastly, don't overlook the oil cooler lines, as they can suffer from wear and tear, leading to leaks that can be easily missed. By regularly inspecting these components and addressing any signs of wear, you can effectively manage oil leaks and maintain the performance of your GMC Savana 2500.

How urgent is it to address an oil leak in a 2013 GMC Savana 2500?

Addressing an oil leak in your 2013 GMC Savana 2500 is crucial for maintaining the health of your vehicle and ensuring your safety on the road. Oil is vital for lubricating engine components, and a leak can lead to a significant loss of oil, which may result in severe engine damage if the vehicle is operated with low oil levels. Additionally, neglecting an oil leak can diminish engine performance and efficiency, potentially leading to more extensive and costly repairs down the line. Beyond mechanical issues, an oil leak poses a safety hazard; if oil drips onto hot engine parts, it could ignite and cause a fire. Therefore, it is essential to identify and repair the source of the leak as soon as possible. By addressing the issue promptly, you not only protect your engine from further damage but also ensure that your vehicle operates smoothly and safely.

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