2017 GMC Acadia Limited Is Leaking Oil

Address Oil Leaks in Your 2017 GMC Acadia Limited 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 2017 GMC Acadia Limited 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 2017 GMC Acadia Limited 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.

A bad oil level sensor may cause a false reading of the engine oil level. The oil level warning light may illuminate even when the oil level (checked manually) is within an acceptable range. The warning light may also come on and off intermittently if the sensor is faulty. An error code may be sent to the PCM and a check engine light may come on the dashboard as well if the sensor is bad.

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 initial diagnostic steps to take for an oil leak in a 2017 GMC Acadia Limited?

When faced with an oil leak in your 2017 GMC Acadia Limited, it's crucial to adopt a systematic diagnostic approach to identify and resolve the problem efficiently. Start by locating the leak; inspect the ground beneath your vehicle for any oil spots and check the engine bay for signs of oil residue. Next, assess the oil level in the engine to determine if it has dropped significantly, which could indicate a serious leak. Pay close attention to the oil filter and drain plug, ensuring they are secure and free from leaks. Additionally, examine the gaskets and seals, particularly the valve cover and oil pan gaskets, as these are common culprits for oil leaks. Don't overlook the PCV system, as a malfunction here can also lead to oil leakage. If the source remains elusive, consider performing a pressure test on the oil system to help pinpoint the leak's location. By following these steps, you can effectively diagnose the oil leak and take appropriate action to remedy the situation.

What are the common causes of oil leaks in a 2017 GMC Acadia Limited?

When dealing with oil leaks in a 2017 GMC Acadia Limited, 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 lead to oil seepage over time. Similarly, the valve cover gasket can deteriorate, allowing oil to escape and create noticeable leaks. Another potential source is the oil filter housing gasket; if this component fails, it can result in oil leaking from the housing area. Additionally, the rear main seal, located at the back of the engine, is responsible for sealing the crankshaft, and if it becomes worn or damaged, it can lead to leaks at the rear of the engine. Lastly, oil cooler lines are also susceptible to leaks, especially if they develop cracks or other forms of damage. Addressing these issues promptly is essential to prevent further engine damage and maintain the vehicle's performance. Regular inspections and maintenance can help DIY enthusiasts catch these problems early, ensuring a smoother and more reliable driving experience.

How urgent is it to address the oil leak in my 2017 GMC Acadia Limited?

Addressing an oil leak in your 2017 GMC Acadia Limited is not just a maintenance task; it is a pressing concern that requires immediate attention. Ignoring this issue can lead to a significant drop in oil levels, which compromises the lubrication of essential engine components. This lack of lubrication increases friction and wear, potentially resulting in severe engine damage and costly repairs. Moreover, oil leaks can create hazardous conditions by allowing oil to spill onto hot engine parts, raising the risk of fire and further engine complications. Additionally, a leaking oil system can negatively affect your vehicle's performance, leading to decreased fuel efficiency and the possibility of engine overheating. Therefore, it is crucial to address any signs of an oil leak promptly to safeguard your vehicle's integrity and ensure safe driving conditions.

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