Some vehicles with turbochargers may emit an unsual sound when the vehicle is being driven at high rpm (revolutions per minute). The noise may be a sign of a defect in the turbocharger pedestal. This article discusses some things that hobbyists can do to confirm that the turbocharger pedestal has a problem. Check Isolators and Hangers Always inspect the entire exhaust system to confirm that all the isolators and hangers were positioned correctly.
29 January 2018