2018 Chevrolet Trax Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2018 Chevrolet Trax and How to Fix Them

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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 2018 Chevrolet Trax 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 Trax 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 Trax?

To effectively diagnose an oil leak in your 2018 Chevrolet Trax, begin with a systematic approach that prioritizes simplicity before delving into more complex diagnostics. Start by locating the leak; inspect underneath the vehicle for any visible oil drips or pooling, and check for oil stains on the engine and surrounding components. Next, verify the oil level in the engine, as a significantly low level may indicate a leak. Focus on the oil filter and drain plug, ensuring they are secure and free from damage. Examine gaskets and seals, particularly the valve cover gasket and oil pan gasket, for signs of wear or deterioration. If the source remains elusive, consider adding UV dye to the oil, which can illuminate the leak under a UV light after running the engine. For a more thorough investigation, a pressure test on the oil system can help identify leaks by pressurizing the system and observing any escaping oil. If these steps do not yield results, consulting a professional mechanic is advisable, as they possess the expertise and specialized tools necessary for effective diagnosis and repair. By following this structured approach, you can efficiently identify and address the oil leak in your vehicle.

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

When dealing with oil leaks in a 2018 Chevrolet Trax, it's crucial 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 leaks. Additionally, a faulty oil filter can also be a source of oil leakage, as it may not seal properly, allowing oil to escape from the engine. Another area to inspect is the valve cover gasket; if this component has deteriorated, it can result in significant oil leaks. Furthermore, a loose or damaged oil drain plug can create a pathway for oil to leak from the oil pan, so ensuring it is secure is essential. Lastly, check the oil cooler lines for any cracks or damage, as these can also contribute to oil leaks. Addressing these issues promptly is vital to prevent engine damage and maintain the vehicle's performance, making regular inspections and maintenance key to keeping your Chevrolet Trax in top shape.

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

Addressing an oil leak in your 2018 Chevrolet Trax is not just a matter of routine maintenance; it is a critical issue that demands immediate attention. Ignoring an oil leak can lead to a significant drop in oil levels, which may result in severe engine damage over time. This can escalate to costly repairs or even necessitate a complete engine replacement, which is a financial burden that many vehicle owners would prefer to avoid. Moreover, an oil leak poses safety risks, as it can create slippery road conditions that endanger both you and other drivers. Beyond personal safety, there are environmental implications to consider; oil leaks can contaminate soil and water sources, contributing to broader ecological harm. Therefore, it is essential to act swiftly and address any signs of an oil leak in your Chevrolet Trax to safeguard your vehicle's performance, ensure your safety on the road, and protect the environment.

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