Heat shield rattle

My y-pipe heat shield on the right side is rattling. It is driving my absolutely nuts! Removed the airboxes and muffler heat shield to find out where that annoying sound was coming from. Grabbed the heat shield on the y-pipe and it is loose. Its loose right behind the coupler where it attaches to the header. Anybody have this problem and how do I fix it w/out removing it from the car? It is interfering with the symphony I want to hear emanating from my exhaust!

 

Coming from the passenger side heat shield. It's loose. At all RPM's. Accelerating and decelerating. Not the by-pass valve! Is there a high heat epoxy I can stuff between the shield and the pipe?

 

Sorry if I sound stupid...what and where is the inboard CV boot? In the attached diagram, it is the by-pass tube (#4) heat shield that is rattling (pretty sure as it is loose). Seems like the packing that was in there may have come out.
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Definitely a bit disrespectful. Listen...I am not a mechanic by any means. But I do have a good general knowledge on how things on my Ferrari work (which, by the way, I have only had for about 9 mos, and is my first Ferrari). I learn by doing and investigating. I am not afraid to pick up tools and tinker around a bit looking for a rattle that is coming from my exhaust somewhere. So that being said, since you couldn't tell me what a CV boot was, I found out on my own that it is the heat shield that covers the rubber axle "bellows" going into the differential.

Spaghetti jet suggested I check these out and I found the driver side to be rattling a bit when I push it down and let it go. I will tighten the screws up and see if that is another source of my rattle.

Thanks for the input guys. This is why I am a member of FChat. The wealth of knowledge here is priceless. But you need to cut us "non-experts" a break!

 

That probably would work. What clamp would I use...just a basic muffler clamp?

 

Ahhh!!! Easy enough. Exactly where my rattle is coming from. Thanks for the suggestion.

 

Ugh... I hope it's not a cat. During the major the Ferrari mechanic inspected both cats and they were OK. That was about 10 mos ago. Also have receipts that the cats were both replaced some years ago. I'm hoping it is just the heat shield. Pretty sure it is but I will check out my cat as you suggest.

 

Just went to Pep Boys and bought a hose clamp like the one that eyboro posted that can be tightened from 3.5" to 2.5'. Opened it up completely then wrapped it around the heat shield right at the place where it ends on the y-pipe. Attached the ends together and screwed it down as tight as I could go. The shield is now snug. Can't move it at all with my hands. Would take it for a test drive but of course it's raining here again in NY so it's going to have to wait. May want to sell my Fcar and buy a boat!

I will post an update after I take it out for a ride.

 

Took it out for a ride. Still have a rattle. Not as bad as it was but still there. Seems to be more pronounced at 3000-4000 rpm. Also noticed it rattles when the car is hot. It maybe the other side of the heat shield or somewhere else. Makes sense for a heat shield to rattle when the car is hot...expansion. Have to do more investigating. This will drive me nuts until I find it.

 

Took my airboxes off, removed muffler shield. Better access to reinstall the clamp around the heat shield. Screwed it down even tighter now. Definitely was rattling from the shield. Got it to where it barely moves now. I will eventually have this tack welded to make it more permanent. Also found my driver side CV boot heat shield was rattling a bit so I installed new washers and re-secured it. No more rattle. Also found my driver side cover in the engine bay as eyboro indicated to be rattling a bit to. Fixed that. Took it our for a drive and it seems to be quiet. Have to take it out with the top down now so I can really hear if it is gone. I'm hoping I got it. Thanks for all the advice!