2013 GMC Savana 1500 Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2013 GMC Savana 1500 and How to Fix Them Effectively

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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 GMC Savana 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 GMC Savana 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 and repair the oil leak in my 2013 GMC Savana 1500?

To effectively diagnose and repair an oil leak in your 2013 GMC Savana 1500, start with a systematic approach that prioritizes simpler checks before moving on to more complex diagnostics. Begin by locating the leak; inspect under the vehicle for any visible oil drips or pools, focusing on common leak points such as the oil pan, oil filter, and valve cover gasket. Once you have identified potential sources, check the oil levels in your engine, as low levels can indicate a leak that needs immediate attention to avoid engine damage. Next, inspect the gaskets and seals for signs of wear or damage, as these components are often culprits in oil leaks. If you find any loose or damaged parts, such as the oil pan or drain plug, tighten or replace them as necessary. Cleaning the engine can also aid in identifying the leak's source by removing old oil residue. If the leak remains elusive, consider performing a pressure test on the oil system to pinpoint the exact location. Should you find the issue too complex to handle, consulting a professional mechanic is advisable for a thorough diagnosis and repair recommendations. By following this structured diagnostic approach, you can effectively address the oil leak and maintain your vehicle's performance.

What are the common causes of oil leaks in a 2013 GMC Savana 1500?

When tackling oil leaks in a 2013 GMC Savana 1500, it's crucial to understand the common problems that may arise. One of the primary culprits is the failure of oil system components, which often leads to leaking engine gaskets. Additionally, damaged oil pans or improperly installed gaskets can exacerbate the issue, resulting in noticeable leaks. For those with the 5.3L engine, specific areas to inspect include the oil pan gasket, oil pressure sending unit, oil filter adapter, valve cover gasket, rear cover gasket, and rear main seal, as these are frequent leak points. Furthermore, issues with low-tension piston rings in the Vortec engine can lead to oil burning, while faults in the PCV system may cause excess carbon buildup, contributing to emission problems. Addressing these issues promptly is essential to prevent further damage and maintain the vehicle's performance.

How urgent is it to address the oil leak in a 2013 GMC Savana 1500?

Addressing an oil leak in your 2013 GMC Savana 1500 is not just a matter of routine maintenance; it is a critical issue that demands immediate attention. Ignoring an oil leak can lead to a cascade of problems, including severe engine damage due to low oil levels, which can ultimately result in costly repairs or even a complete engine replacement. Moreover, the presence of oil in the engine bay poses serious safety risks, as it can create slippery surfaces that increase the likelihood of accidents or fire hazards. Additionally, the environmental impact of leaking oil cannot be overlooked, as it can contaminate soil and water sources, contributing to broader ecological issues. By promptly addressing an oil leak, you not only safeguard your vehicle's performance and longevity but also ensure your safety and protect the environment. Therefore, it is imperative to take action as soon as you notice any signs of an oil leak in your vehicle.

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