2017 GMC Canyon Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2017 GMC Canyon and How to Fix 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 2017 GMC Canyon 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 Canyon 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 Canyon?

When faced with an oil leak in your 2017 GMC Canyon, the first step is to locate the source of the leak by inspecting underneath the vehicle for any visible oil drips or pools. This initial observation can often reveal the problem area. Next, check the oil level in the engine; a significant drop may indicate a serious leak, and topping it up is crucial for further diagnostics. After ensuring the oil level is adequate, inspect the oil filter and drain plug for any signs of leakage or looseness, as these components are common culprits. Additionally, examine the gaskets and seals within the engine for wear or damage, as faulty gaskets can frequently lead to leaks. If the source remains elusive, consider performing a UV dye test by adding a dye to the engine oil, which can help illuminate the leak's location when viewed under a UV light. If these steps do not yield results or if the issue appears complex, consulting a professional mechanic is advisable for a thorough inspection and repair recommendations. By following this structured diagnostic approach, you can effectively identify and address the oil leak in your vehicle.

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

When dealing with oil leaks in a 2017 GMC Canyon, 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. Another potential source is the valve cover gasket, which seals the valve cover to the cylinder head; if this gasket fails, it can allow oil to escape. Additionally, the oil filter housing gasket is another area to inspect, as its failure can also result in leaks. The rear main seal, located at the back of the engine, is another common leak point that can develop issues as the vehicle ages. Lastly, oil cooler line leaks can occur, where the lines transporting oil to and from the cooler may become compromised. Addressing these leaks promptly is essential to prevent further engine damage and ensure optimal vehicle performance. Regular inspections and maintenance can help you catch these issues early, allowing for a more straightforward DIY repair process.

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

Addressing an oil leak in your 2017 GMC Canyon is crucial for maintaining both the performance and safety of your vehicle. An oil leak not only diminishes the oil levels necessary for proper engine lubrication but can also lead to overheating, which may result in extensive and costly engine damage. Moreover, the presence of oil on hot engine components creates a significant fire hazard, posing serious safety risks. Therefore, it is imperative to prioritize the repair of any oil leaks to prevent further complications and ensure a safe driving experience. Taking prompt action will not only protect your engine's integrity but also enhance your vehicle's overall reliability.

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2017 GMC Canyon Leaking Oil: Causes & Repairs | RepairPal