[titanmoon]

Originally Posted by titanmoon

I've had my 04 in a couple of times for heat shield rattle when it was still under warrantee. This week it got really loud- you could hear it when the sound was reflected at a drive thru and even on a freeway ramp.

Get under the truck with it off and bang on the exhaust with a rubber mallet. My heat shields rattle like crazy.

Not sure how to cure- maybe a hose clamp around the shield where it rattles against the pipe?

My shields also make a clicking noise constantly w/ engine running and as it cools down after running.

Found my rattle! One of the narrow bands that clamp the heat shield to the cross pipe was broken, rattling. Amazing how something so simple could make so much noise. At start up or reving engine or even on a freeway ramp it sounded like maybe the timing chains were rattling inside their covers!