Two problems related to differential unit have been reported for the 2004 Chevrolet Trailblazer. The most recently reported issues are listed below.
The contact owns a 2004 Chevrolet Trailblazer. While driving 25 mph, the contact heard a rubbing noise coming from the front passenger side of the vehicle. She then noticed a burning odor coming from the engine. The vehicle was taken to a local repair shop and they determined that the oil cap for the four-wheel drive failed. The cap was replaced at the cost of $5 and the contact was advised to never place the vehicle into four-wheel drive. One year later, while driving at an unknown speed, the contact heard a humming noise coming from the front of the vehicle. She was able to safely drive the vehicle to her destination. The vehicle was taken to a local repair shop and the technician determined that the front differential failed. The repair would cost $2,000. The vehicle has not yet been repaired. The contact called the manufacturer and was informed that because the vehicle did not receive regular maintenance from a dealer, no compensation would be provided towards the repair. The VIN was unavailable. The failure mileage was 64,000 and current mileage was 81,000.
The rear tires on the consumer's 2004 Chevrolet Trailblazer wear out every couple thousand miles while the front tires show no visible signs of wear. It was discovered that the vehicle had a bent differential.