When to change timing belt 2009 Toyota Avalon?

The timing belt on a 2009 Toyota Avalon should typically be replaced every 90,000 to 100,000 miles, or as specified in the owner's manual. Additionally, if you notice any signs of wear, such as fraying or cracking, it's advisable to replace it sooner. Regular maintenance is crucial to prevent engine damage, so adhering to the manufacturer's recommendations is essential.