Two problems related to transmission gear slipping have been reported for the 2002 Chevrolet Trailblazer. The most recently reported issues are listed below.
While driving my 2002 chevy Trailblazer, I heard a loud chunk in the transmission and then a whining noise and loss of power. There is no reverse and the transmission slips when going through the gears, it finally engages but takes some foot work.
Consumer states that the transmission is slipping while the consumer is driving the vehicle. The transmission will also take a few seconds before going into gear. Contacted dealer. Mr.