2014 GMC Acadia Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2014 GMC Acadia and How to Address 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 2014 GMC Acadia 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 Acadia 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 steps should I take to diagnose the oil leak in my 2014 GMC Acadia?

When diagnosing an oil leak in your 2014 GMC Acadia, it's essential to adopt a systematic approach that begins with the simplest observations. Start by checking for any visible signs of oil under your vehicle, as this can provide immediate clues about the leak's location. Next, inspect the oil filter, oil plug, and various engine gaskets, as these are common culprits for leaks. Pay particular attention to the front of the engine, where significant leaks may indicate more serious issues. If you find it challenging to pinpoint the source of the leak or if the situation appears complicated, don't hesitate to seek professional assistance. A mechanic can offer a comprehensive diagnosis and ensure that any underlying problems are addressed effectively. By following this diagnostic approach, you can efficiently identify and manage oil leaks, helping to maintain your vehicle's performance and longevity.

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

When dealing with oil leaks in a 2014 GMC Acadia, it's crucial to understand the common culprits that may be at play. One frequent issue is the degradation of the oil pan gasket, which can wear out over time, leading to leaks. Similarly, the valve cover gasket can also become damaged, resulting in oil seepage that can be easily spotted around the engine. Another potential source of leaks is the oil filter; if it is not securely fastened or has sustained damage, it can allow oil to escape. Additionally, the oil drain plug should be checked, as a loose or improperly installed plug can lead to significant oil loss. Lastly, inspect the oil cooler lines for any cracks or damage, as these can also contribute to leaks. By regularly maintaining these components and addressing any signs of wear, you can help ensure your Acadia runs smoothly and efficiently.

How urgent is it to address the oil leak in my 2014 GMC Acadia?

Addressing an oil leak in your 2014 GMC Acadia is not just a matter of routine maintenance; it is a critical issue that demands immediate attention. Ignoring an oil leak can lead to severe consequences, including a significant loss of engine oil, which compromises the lubrication of essential engine components. This lack of lubrication increases friction and heat, potentially resulting in catastrophic engine damage or even complete failure. Moreover, oil that drips onto hot engine parts can create a fire hazard, posing serious safety risks. For DIY enthusiasts, it is crucial to regularly check your vehicle's oil levels and promptly fix any leaks to maintain engine health and ensure the safety and reliability of your vehicle. By addressing the issue quickly, you not only protect your investment but also enhance your driving experience, making it imperative to act without delay.

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