A complete in-depth tour of the 2021 Cadillac CT4 L3B 2.7-liter turbocharged engine bay. Detailed overview of major engine technical features, specs and maintenance service points.

On our website: http://testdriven.tv/2021/06/under-th...

TestDrivenTV Garage is a place we can step of the stage and talk nuts-and-bolts with in-depth "how it works" about the latest automotive technologies and "how to do it" videos for auto maintenance and repairs.

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