Vehicle has rattling noise at idle only in gear, or in park with heavy loads turned on. Sounds like a diesel rattling. As soon as you come off idle it goes away. If you are in park with heavy electrical load and unplug alternator the noise goes away. With belt...

FIX posted 7/2/2015

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle