Two problems related to loud engine noise have been reported for the 2000 Chevrolet Silverado. The most recently reported issues are listed below.
There's a loud knocking and roaring noise coming from motor. Took to dealer, and they said there a mis between motor and transmission.
While driving vehicle between 40-45mph, it would make a roaring noise. Sometimes vehicle would vibrate or shake. Most noticeable after 40mph. Been in contact with dealership & informed no solution to problem. Engineers are working on problem. Also informed consumer that sound was because engine was near transmission.