Trax Chevrolet's subcompact crossover SUV. This small SUV has a pioneer spirit, with modern technologies that make discovery easy and cargo space that molds to your lifestyle.

2017 Chevrolet Trax
Platform: Gamma II

please help with my Chevrolet Trax”

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Old Nov 20, 2025 | 4:49 PM
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harme's Avatar
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Default please help with my Chevrolet Trax”

Hi everyone, I wanted to consult you before going to the mechanic. If I go without diagnosing the issue, they might try to trick me.

My car is a 2013 Chevrolet Trax 1.4 140 HP with the Ecotec engine.

There is a yellow sludge on the oil filler cap. This sludge has been there for 2 years. I mostly drive short distances, but even when I drive long distances, I still see this sludge. The coolant in the expansion tank does not run out immediately, but I do notice it decreasing. Our cars have an oil cooler. I’m wondering if the oil cooler is faulty, and if so, how I can diagnose it myself. Secondly, could it be that my head gasket is leaking, and if so, how can I detect it?

What methods would you recommend?



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