One problem related to coolant leaking has been reported for the 2005 Chevrolet Trailblazer. The most recently reported issues are listed below.
The contact owns a 2005 Chevrolet Trailblazer. While operating the vehicle, smoke emitted from the hood. The contact pulled over and discovered flames under the hood. The fire department extinguished the fire. The vehicle was taken to an independent mechanic where it was diagnosed that the failure was due to a failed gm/ac delco transmission coolant line fitting, which caused transmission coolant to leak out onto the catalytic converter and exhaust system. The manufacturer was not notified of the failure. The vehicle was not diagnosed or repaired. The failure mileage was 120,000.