Belt Tensioner Idler Pulley Chevy Silverado GMC Sierra Suburban Tahoe Blazer Yukon More - 1AAuto ...
www.1aauto.com shows you how to replace your worn out serpentine belt tensioner and idler pulley on one of GMs most popular set of truck engines ...
Frozen belt tensioner pulley
Here is a short video of a frozen belt tensioner pulley for the A/C ---- The rpm's were 800 to just under 1000 the belt was ripped to shreds ...