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The TrailBlazer name covers two different vehicles. The 2002 to 2009 TrailBlazer is a body-on-frame SUV with a 4.2-liter inline-six or V8 engines. The current TrailBlazer (from 2021) is a small crossover with 1.2- and 1.3-liter turbo engines.
Check the model year on your VIN: on a 2020 vehicle the 10th character of the 17-digit VIN is “L”. Vehicles built for North America always carry the model year in that position; on some European or Australian vehicles it may be left unused, so in that case go by the registration papers or the build plate.
At about 6 years old, a 2020 vehicle is usually past its basic warranty. Typical jobs at this age are brakes, suspension parts, fluids, the 12V battery and diagnosing sensor faults with the factory wiring diagrams.
All Chevrolet TrailBlazer model years: 2003 · 2004 · 2005 · 2006 · 2007 · 2008 · 2009 · 2017 · 2018 · 2019 · 2020 · 2021 · 2022 · 2023 · 2024
No 2020 Chevrolet TrailBlazer was sold in the United States or Canada. See the 2020 Chevrolet Traverse.
