One problem related to hatchback/liftgate has been reported for the 2002 Chevrolet Trailblazer. The most recently reported issues are listed below.
Rear window of our 2002 chevy Trailblazer exploded in my garage. There was no prior damage to the window and the failure was without warning. Vehicle was parked in garage night before and garage door shut with no incident. Upon entering garage next morning, shattered glass was found all over the floor and rear window blown out.