November 2025

audi

What is the Haldex system?

What is the Haldex system? The Haldex system automatically distributes power between the front and rear wheels depending on slippage, but normally sends 95% of the power to the front wheels. The core of the Haldex-based Quattro system is the Haldex coupling, an active on-demand AWD system. Unlike the continuous AWD provided by Torsen differentials,

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