2018 Chevrolet Equinox Is Leaking Oil

Address Oil Leaks in Your 2018 Chevrolet Equinox Effectively

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Reviewed by
Devin Cabugcal
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 2018 Chevrolet Equinox 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 2018 Chevrolet Equinox 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 2018 Chevrolet Equinox?

When diagnosing an oil leak in your 2018 Chevrolet Equinox, it's essential to adopt a systematic approach that begins with the most straightforward checks before progressing to more complex diagnostics. Start by parking your vehicle on a level surface and visually inspecting the engine and surrounding areas for any visible signs of oil, such as spots on the ground or oil residue on engine components. Next, check the oil level using the dipstick; a significant drop may indicate a leak. Pay close attention to the oil filter and drain plug, ensuring they are secure and free from leaks. Inspect gaskets and seals around critical areas like the valve cover and oil pan for any signs of wear or damage. If the source of the leak remains elusive, consider adding UV dye to the oil, which can help illuminate the leak under a UV light after running the engine. For more persistent issues, a pressure test of the oil system can provide further insights. If these methods do not yield results, it may be time to consult a professional mechanic for a thorough diagnosis and repair. By following this structured approach, you can effectively identify and address the oil leak in your Equinox.

What are the common causes of oil leaks in a 2018 Chevrolet Equinox?

When diagnosing oil leaks in a 2018 Chevrolet Equinox, it's essential to understand the common problems that may arise. One frequent culprit is the oil pan gasket, which can degrade over time, leading to leaks. Additionally, a faulty or improperly installed oil filter can also result in oil escaping from the engine, making it crucial to ensure proper installation during oil changes. Another area to inspect is the valve cover gasket, as wear and tear can cause it to fail, allowing oil to leak around the valve cover. Furthermore, the oil cooler lines are susceptible to damage, and if they develop leaks, they can contribute to oil loss. Lastly, a cracked or damaged oil pan can be a significant source of leaks, necessitating immediate attention. Regular maintenance and thorough inspections can help identify these issues early, allowing for timely repairs and preventing further damage to your vehicle.

How urgent is it to address the oil leak in my 2018 Chevrolet Equinox?

Addressing an oil leak in your 2018 Chevrolet Equinox is not just a matter of routine maintenance; it is an urgent issue that requires immediate attention. Neglecting an oil leak can lead to a significant drop in oil levels, which compromises the lubrication of essential engine components. This lack of lubrication can result in increased friction and wear, ultimately leading to severe engine damage that could necessitate costly repairs. Furthermore, an oil leak can cause the engine to overheat, a situation that not only threatens the integrity of your vehicle but also poses a serious safety risk. Leaking oil can drip onto hot engine parts, creating a fire hazard that could endanger both you and your passengers. Therefore, it is crucial to address any signs of an oil leak promptly to safeguard your vehicle's performance and ensure your safety on the road.

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