One problem related to transmission fluid leaking has been reported for the 2005 Chevrolet Trailblazer. The most recently reported issues are listed below.
Transmission cooler lines are corroded and leaking fluid all around the front passenger side wheel well. These lines will need replaced before the transmission fails. The frame is soaked with transmission fluid and this is a potential fire hazard if the fluid leaks onto the exhaust or catalytic converter.