Chevy & GMC Vans

There is a thin plate which is attatched to our oem mufflers, is this plate supposed to be on the top or bottom of our mufflers????????

This is the heat shield, correct Keith ? Been along time since I had an OEM muffler but, my guess is, it would go on top to shield heat from floor area.

precisely, they are also very good for making annoying vibration noises!

Yep, I suspect what you are looking at is a heat shield. Goes on the top.

& yes they do (on occasion) make annoying noises.

Thanks boys I figured that was its purpose, I have just entered a new higher level of redneck repair BUT! the van is once again quiet, which is all that really matters

Just went through the same thing Keith. I've been caked in rust for days now! The one for my 98 didn't have a heat shield though. I think the later models had the shields on the body.