That sound might be perfectly normal though - could be just the drive repositioning its heads or something. I have a Hitachi drive that also makes a very scary "clunk"-sound every once in a while, but ...
A recent post on the GM Techlink service website provides a solution to the front-end rattle or clunking sound that some 2019 to 2023 model-year Chevy Blazer owners have reported. According to the ...