How do you replace harmonic balancer on 2005 Chevy Colorado 3.5?

To replace the harmonic balancer on a 2005 Chevy Colorado 3.5, first disconnect the negative battery terminal and remove any components obstructing access, such as the serpentine belt and crankshaft pulley. Use a harmonic balancer puller to carefully remove the old balancer from the crankshaft. Install the new harmonic balancer by aligning it with the keyway on the crankshaft and pressing it into place, ensuring it's properly seated. Reassemble the components in the reverse order, reconnect the battery, and check for proper operation.