What Is a Transfer Case? How It Works and Why Your Vehicle Needs It
A transfer case is a gearbox in four-wheel-drive and all-wheel-drive vehicles that splits engine power between the front and rear axles. It works by taking power from the transmission and sending it through drive shafts to both axles, either on demand or full time. Your vehicle needs it to deliver better traction, control, and pulling power on slippery roads, steep grades, and rough terrain.
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