2014 GMC Savana 1500 Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2014 GMC Savana 1500 and How to Fix Them Effectively

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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 2014 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 2014 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 the oil leak in my 2014 GMC Savana 1500?

To successfully diagnose an oil leak in your 2014 GMC Savana 1500, begin by thoroughly inspecting the area beneath your vehicle for any visible signs of oil, such as drips or puddles, which can help you pinpoint the leak's location. Once you have a general idea, focus on the oil pan, as cracks or damage here are common culprits. Next, check the oil filter to ensure it is securely installed and not leaking. The oil drain plug is another critical area; verify that it is tight and that the gasket is intact. Don't overlook the valve cover gasket, which often shows signs of wear and can lead to leaks. Additionally, inspect the oil cooler lines for any signs of damage and examine the oil pressure sensor for leaks. Throughout this process, keep an eye on your oil levels, as a significant drop can indicate a persistent leak. By following this structured approach, you can effectively diagnose the source of the oil leak and take the necessary steps to resolve it.

What are the common causes of oil leaks in a 2014 GMC Savana 1500?

When dealing with oil leaks in a 2014 GMC Savana 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. Additionally, a faulty or improperly installed oil filter can also be a source of oil leakage, so it's important to ensure that the filter is correctly fitted and in good condition. Another area to inspect is the valve cover gasket, as this component seals the valve cover to the cylinder head and can wear out, resulting in leaks. Don't overlook the oil drain plug; if it's loose or damaged, it can allow oil to escape from the oil pan. Lastly, the rear main seal, located at the back of the engine, is another potential leak point that can develop issues over time. Addressing these problems promptly is essential to prevent further engine damage and maintain optimal vehicle performance. Regular inspections and maintenance can help you catch these leaks early, allowing for effective DIY repairs.

How urgent is it to address the oil leak in a 2014 GMC Savana 1500?

Addressing an oil leak in your 2014 GMC Savana 1500 is not just a matter of routine maintenance; it is a critical safety concern that requires immediate attention. An oil leak can significantly reduce the oil levels in your engine, leading to inadequate lubrication of vital components. This lack of lubrication can cause severe engine wear and tear, ultimately resulting in costly repairs or even complete engine failure. Moreover, the risk of overheating increases as oil levels drop, which can exacerbate the problem and lead to catastrophic engine damage. Additionally, leaking oil poses a fire hazard, especially when it drips onto hot engine parts. Therefore, it is essential to address any signs of an oil leak promptly to ensure the safe and efficient operation of your vehicle, protecting both your investment and your safety on the road.

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