How many kilometers does the timing chain of the Audi Q3 need to be replaced?

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The timing chain of the Audi Q3 is maintenance-free and generally does not require replacement. Many car engines originally equipped with timing belts have gradually been replaced by timing chains, as the chain-driven timing system offers more reliable transmission. Additional information: 1. Precautions: If the vehicle is frequently driven at high speeds with full load, it is recommended to inspect the timing chain every 5 years or 75,000 kilometers. If severe wear or other damage is found, immediate replacement is necessary. 2. Composition and Principle: The timing chain system consists of gears, the chain, and a tensioning device. The tensioner ensures the timing chain maintains proper tension, and the timing chain is designed to be maintenance-free for its entire lifespan.