Heat shield rattling sound when accelerating

heat shield rattle sound when accelerating. not sure what it could be ?

 

Crawl under your truck when exhaust is cold, take a look at those heat shield and try and pull em apart. If they pull apart with no problem then you found your rattle. Get the old hardware out and put in new stainless hardware.

 

Did you see if the heat shields are securely fastened?

 

heat shield by rear side doors moves a bit but noise sounds like it around tranny fire wall area. Not sure yet what issue could be?

 

Final figured out annoying rattle when accelerating. Heat shield on drivers side behind engine had a crack in it and would vibrate glad thats all it was. cheap cheap fix