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Originally Posted by tazhog54
Did any body have a exhaust vibration rattle when you take off. I'ts seems to be on the low end just above idle when you take off . Rev up the engine nothing . Checked out the sheilds on the under side nothing loose. That's what it sounds like when you take off next to the drive in window it sounds kinda off tinny! Or should I just say honey the hummer (H2)needs new exhaust and be done with it .Any ideas, this has stock exhaust 2003 w/45,000 miles now??? One guy said it may be the cat. verter
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There is a TSB related to some rattling and the muffler on the 2003. Luckily, you don't need to hassle with it since the fix doesn't work (based on experience). Most often the rattling is from the factory cage or skid plate get squished into the frame/engine which causes rattling, especially at low rpms. I've had a bit of this with my new UCP and skid plate - but I've fixed it all by tweaking things underneath.