2017 Buick Envision Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2017 Buick Envision and How to Address Them

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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 2017 Buick Envision 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 Buick Envision 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.

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 2017 Buick Envision?

To effectively diagnose an oil leak in your 2017 Buick Envision, begin with a systematic approach that prioritizes simplicity before delving into more complex diagnostics. Start by locating the leak; inspect the area beneath your vehicle for any visible oil drips or puddles, as this can provide immediate clues. Next, check the oil level in your engine; a significant drop may indicate a leak that needs attention. Focus on the oil filter and drain plug, as these components are common culprits for leaks—ensure they are secure and free from oil residue. Additionally, examine the gaskets and seals within the engine, as wear and tear can lead to leaks. Look for any oil splatters on engine parts, which can help you narrow down the source of the leak. If the leak remains elusive, consider using UV dye in the engine oil; this method allows you to trace the leak more effectively under UV light. Should you find the diagnosis challenging or the issue appears complex, consulting a mechanic is a prudent step to ensure proper identification and repair of the leak. By following this structured diagnostic approach, you can efficiently identify and address the oil leak in your vehicle.

What are the common causes of oil leaks in a 2017 Buick Envision?

When dealing with oil leaks in a 2017 Buick Envision, it's essential to understand the common culprits that may be at play. One frequent issue is a degraded or damaged oil pan gasket, which can wear out over time and lead to significant leaks. Similarly, a faulty valve cover gasket can cause oil seepage, making it crucial to inspect this component regularly. Another common source of leaks is the oil filter; if it is loose or damaged, it can allow oil to escape from the engine. Additionally, pay attention to the oil drain plug, as improper tightening or damage can also result in leaks. Lastly, cracked or worn-out engine seals, such as the rear main seal or camshaft seals, can deteriorate and contribute to oil leakage. Addressing these issues promptly is vital to prevent further engine damage and maintain the vehicle's performance, so regular maintenance and inspections are highly recommended for any DIY enthusiast looking to keep their Buick Envision in top shape.

How urgent is it to address the oil leak in my 2017 Buick Envision?

Addressing an oil leak in your 2017 Buick Envision is an urgent matter that should not be overlooked. The consequences of neglecting this issue can be severe, leading to extensive engine damage that may require costly repairs or even a complete engine replacement. Oil is vital for lubricating engine components, and a leak can result in insufficient lubrication, which directly impacts your vehicle's performance and efficiency. Moreover, oil leaks pose safety risks; oil can drip onto hot engine parts, creating a fire hazard that endangers both you and your passengers. Additionally, the environmental implications of an oil leak are significant, as it can contaminate soil and water sources, contributing to pollution. Therefore, it is crucial to address any signs of an oil leak promptly by consulting a qualified mechanic to ensure your vehicle remains safe, efficient, and environmentally responsible.

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