One problem related to engine belts and pulleys has been reported for the 2004 Chevrolet Trailblazer. The most recently reported issues are listed below.
The contact owns a 2004 Chevrolet Trailblazer. The contact stated that the engine fan belt was replaced several times due to a recurring failure. The contact heard a loud noise when the engine was started and discovered that the fan belt was failing. The manufacturer was made aware of the failure. The failure mileage was 56,000 and the current mileage was 137,000. Updated 2/11/cn.