2014 Buick Verano Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2014 Buick Verano and How to Address Them Effectively

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Reviewed by
Andrew Hajjar
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 Buick Verano 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 Buick Verano 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.

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 Buick Verano?

When diagnosing an oil leak in your 2014 Buick Verano, it's essential to adopt a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by locating the leak; inspect the area beneath your vehicle for any visible oil spots or drips, as this can provide immediate clues about the source. Next, turn your attention to the oil pan, as cracks or damage here are common culprits for leaks. Ensure that the oil filter is securely installed, as a loose or damaged filter can also lead to oil escaping. Don’t overlook the oil drain plug; it should be tight and free from any signs of leakage. Additionally, examine the gaskets and seals around the engine, as wear and tear in these areas can contribute to oil loss. Regularly monitoring your oil levels is crucial, as a significant drop can indicate a leak that needs addressing. If these steps do not reveal the source of the leak, or if the problem persists, consulting a mechanic for a professional evaluation is advisable. This methodical approach not only helps in identifying the issue but also ensures that you tackle the problem efficiently and effectively.

What are the common causes of oil leaks in a 2014 Buick Verano?

When dealing with oil leaks in a 2014 Buick Verano, 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 oil loss. Similarly, valve cover gasket leaks are another prevalent problem, as these gaskets can also wear out, allowing oil to escape from the engine. Additionally, the oil filter housing gasket can fail, resulting in leaks that may not be immediately visible. Another area to inspect is the rear main seal, located at the back of the engine, which can develop leaks and cause oil seepage. Lastly, oil cooler line leaks are not uncommon, often arising from wear and tear on the lines themselves. Addressing these leaks promptly is essential to prevent further engine damage, and regular maintenance checks can help catch these issues early, ensuring your vehicle remains in optimal condition.

How urgent is it to address the oil leak in my 2014 Buick Verano?

Addressing an oil leak in your 2014 Buick Verano is not just a matter of routine maintenance; it is a critical issue that demands immediate attention. An oil leak can lead to insufficient lubrication of engine components, which increases friction and can result in severe engine damage over time. Additionally, a loss of oil can cause dangerously low oil levels, leading to overheating and potentially catastrophic engine failure. The risk of fire is another serious concern, as oil dripping onto hot engine parts can ignite, posing a significant safety hazard. Furthermore, neglecting an oil leak can have environmental repercussions, as spilled oil can contaminate soil and water sources. Therefore, it is essential to prioritize the inspection and repair of any oil leaks to ensure the safety of your vehicle, protect the engine's integrity, and safeguard the environment.

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2014 Buick Verano Oil Leak Causes & Diagnosis | RepairPal