Question about 2003 GMC Yukon Denali
Hi. Under or near the tailpipe, there are rubber and sometimes steel hangers that are placed onto the sides of the pipe structure. These move with the assembly to provide little flexibility during travel. These hangers also are there to keep the pipe/muffler assembly from dragging or hanging to low. When the hanger assembly becomes unstable or damaged, it will allow the tail pipe assembly to hang low or sometimes drag the ground when you hit a bump. The necessary actions are to raise the vehicle high so that you can inspect the exhaust tail pipe assembly for broken hangers or steel bracing devices. replace any rubber hangers that may be snapped or missing form their respective locations. If you are uncomfortable with raising the vehicle, i would take the unit to a local muffler/exhaust shop for the inspection.
Posted on Aug 25, 2010
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Posted on Jan 02, 2017
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