How do you remove the idler pulley on a peugeot 107?

To remove the idler pulley on a Peugeot 107, first ensure the engine is off and cool. Begin by releasing the tension on the serpentine belt using a wrench to rotate the tensioner pulley, then slide the belt off the idler pulley. Next, unbolt the idler pulley from its mounting bracket using the appropriate socket or wrench. Finally, remove the pulley and replace it with the new one, reversing the steps to reassemble.