Chevrolet Trailblazer owners have reported 1 problem related to engine grinding noise (under the engine and engine cooling category). The most recently reported issues are listed below.
The contact owns a 2006 Chevrolet Trailblazer. While driving approximately 40 mph, the vehicle stalled. After several attempts, the vehicle restarted. The vehicle was taken to a dealer for diagnostic testing. The ignition circuit was replaced; however, the failure recurred. The mechanic stated that the throttle body needed to be cleaned. In addition, the contact stated that there was a grinding sound as the ignition was being started. The vehicle was taken to a dealer for diagnostic testing. The technician stated that the starter drive gear was worn and the starter was replaced. The manufacturer was notified of the failure. The approximate failure mileage was 8.
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