How do I check if my Audi A4's timing belt needs to be replaced?

I recently bought a used Audi A4 and I'm not sure if the timing belt has ever been replaced. What are the signs that indicate it needs to be replaced and what steps should I take to check it?

Hi Tim, checking the timing belt of your Audi A4 is an important maintenance task. Signs that it needs to be replaced include cracking, fraying, or a shiny, glazed appearance. To check it, you can remove the timing belt cover and visually inspect it.

Hey Tim, in addition to visual inspection, you can also use a timing belt tension gauge to measure the tension of the belt. If it's too loose or too tight, it may need to be replaced. Also, check your owner's manual for the recommended replacement interval.

Hi Tim, another way to determine if your timing belt needs to be replaced is to listen for unusual noises while the engine is running. If you hear any squealing or ticking sounds, it may be a sign that the timing belt is worn and needs to be replaced.