How to replace the Audi A4 serpentine belt?

I am having trouble replacing the serpentine belt on my Audi A4. The belt keeps slipping off the pulleys and I can't figure out where I am going wrong. Can someone provide a step-by-step guide for this process?

To replace the serpentine belt on your Audi A4, you will need a serpentine belt tool and a diagram of the belt routing. Start by locating the tensioner pulley and use the tool to loosen it. Then, carefully remove the old belt and replace it with the new one, following the diagram to make sure it is properly aligned. Finally, use the tool to tighten the tensioner pulley back into place.

Replacing the serpentine belt on your Audi A4 is a relatively easy task. First, make sure to wear gloves and eye protection. Then, use a breaker bar to release the tension on the tensioner pulley. Remove the old belt and replace it with the new one, making sure it is properly aligned. Finally, use the breaker bar to tighten the tensioner pulley back into place.

I have replaced the serpentine belt on my Audi A4 multiple times without any issues. First, locate the tensioner pulley and release the tension using a wrench. Remove the old belt and replace it with the new one, making sure to follow the correct routing. Use a wrench to tighten the tensioner pulley back into place. If the belt keeps slipping off, make sure the tensioner pulley is fully tightened and check for any damage to the pulleys.