When do you change timing bell for Lexus rx 330?

The timing belt for a Lexus RX 330 should typically be replaced every 90,000 to 100,000 miles, or as specified in the owner's manual. It's crucial to change it on schedule to prevent engine damage, as a worn or broken timing belt can lead to serious mechanical issues. Additionally, if you notice any signs of wear, such as cracking or fraying, it's best to replace it sooner. Always consult your vehicle's manual for the most accurate maintenance recommendations.