bammbritt Posted November 27, 2011 Share Posted November 27, 2011 I just had my spark plugs changed and my power valves done at the dealer about 200 miles ago. I just started to hear a rattle on start up that goes away once the truck warms up. The noise will keep increase with the RPMs. It kind of sounds like a heat shield but up in the engine area, are there any shields up that far? I have removed all the ones under the truck. Its just a strange noise and it is louder than I remember compared to the heat shields. Would an exhaust leak go quiet once the truck is warmed up? Thanks Link to comment Share on other sites More sharing options...
Tungsten Posted November 27, 2011 Share Posted November 27, 2011 An exhaust leak would get quieter because of things expanding. Maybe you can record a video of the rattle? Link to comment Share on other sites More sharing options...
1994SEV6 Posted November 27, 2011 Share Posted November 27, 2011 sounds like you're describing heat shield rattle from the exhaust pipes directly after the manifolds. they will drive you crazy Link to comment Share on other sites More sharing options...
bammbritt Posted November 27, 2011 Author Share Posted November 27, 2011 Thanks, I will check those heat shields first and see if thats it. If not Ill post a video. Link to comment Share on other sites More sharing options...
bammbritt Posted December 5, 2011 Author Share Posted December 5, 2011 That was what it was, I just removed them. Thanks! Link to comment Share on other sites More sharing options...
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