Understanding the 2018 Chevy Trax oil capacity is fundamental for ensuring the longevity and peak performance of your compact crossover. This specific model year, part of General Motors' refreshed Trax lineup, utilizes a turbocharged engine that demands the correct volume of lubricant to function efficiently. Maintaining the proper oil level is not just about preventing engine noise; it is a critical factor in reducing friction, managing heat, and protecting the internal components from premature wear.
2018 Chevy Trax Engine Specifications
The 2018 model year offered drivers a choice between two engine options, which directly impacts the oil capacity. The standard powertrain was a 1.4-liter turbocharged four-cylinder engine, producing 137 horsepower and 163 lb-ft of torque. For those seeking more capability, a 1.4-liter turbocharged engine producing 153 horsepower was available in the Premier trim. Both of these powerplants share the same oil filling requirement, making the maintenance procedure consistent across the majority of the Trax lineup.
Oil Capacity and Type
When performing an oil change on a 2018 Trax, the total system capacity is approximately 3.3 quarts. This figure includes the oil filter and the drain plug. It is important to note that you should never simply add 3.3 quarts to a dry oil pan; the initial fill before installing the new filter is usually around 2.5 quarts, with the remainder added after the filter is secured. Using the correct oil grade is equally vital; GM recommends dexos1® GEN 2 specification oil, typically in the 5W-30 viscosity range for optimal performance in varying temperatures.
Recommended Oil Specifications
API Service Category: SN or SM
Viscosity Grade: 5W-30
Capacity: 3.3 quarts (including filter)
Drain Plug Torque: 15 lb-ft
Filter Torque: 12 lb-ft
The Oil Change Procedure
Performing an oil change on the 2018 Trax requires careful attention to the drain plug and filter location underneath the vehicle. Because the turbo charger is positioned near the front of the engine, the drain plug can be tight and hot. You must ensure the vehicle is securely lifted on jack stands or driven onto ramps before beginning. When replacing the oil filter, applying a small amount of new oil to the gasket ensures a proper seal and prevents over-tightening, which can damage the housing.
Consequences of Incorrect Oil Levels
Failing to maintain the correct 2018 Chevy Trax oil capacity can lead to significant mechanical issues. Overfilling the crankcase can cause increased pressure within the valve cover, leading to a blown gasket or a failed seal. Conversely, underfilling the engine results in inadequate lubrication, which can cause the turbocharger to fail due to lack of cooling oil. Symptoms of incorrect oil levels include blue exhaust smoke, a burning oil smell, or a loud ticking noise from the top of the engine.
Tips for Checking Your Oil
Regularly checking the oil level is the best method to ensure you are maintaining the proper capacity. Owners should check the dipstick at least once a month and always before a long road trip. The vehicle should be parked on a level surface with the engine turned off. After pulling the dipstick, wiping it clean, reinserting it fully, and then pulling it again provides the most accurate reading. If the oil appears milky or gritty, it indicates contamination and requires immediate attention beyond just a top-off.
