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Old 03-22-2023, 09:37 PM   #1
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Mystery Rattle Under RV

I think we traveled the roughest roads in the country on our most recent trip. Afterward, I noticed a rattle while standing next to our rig with the engine idling. After letting it cool down, I crawled under and noticed the part I'm holding in the attached picture. My guess is it rattles against the exhaust pipe, but I have no idea what it is. My first thought was it's a support for the exhaust pipe. But it doesn't align with the clamp. Anyone have a clue?
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Old 03-23-2023, 12:31 AM   #2
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Hi Clyncher,
Could it be that an additional U-clamp component is now missing? It looks like an exhaust hanger to me.
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Old 03-23-2023, 05:50 PM   #3
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Me too. It sure matches a tailpipe hanger on my Silverado and one on my MH. The rubber grommet is there to absorb vibrations instead of transmitting them to the cabin.
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Old 03-24-2023, 10:12 AM   #4
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That bracket is normally tack welded to the exhaust pipe
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Old 04-01-2023, 06:55 PM   #5
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Thanks for all the replies. Strange thing - the Ford service people say to contact the RV dealer for support, and the RV dealer says to contact Ford. I'll keep digging. But you've confirmed my suspicion - exhaust hanger.

Thanks again!
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Old 04-07-2023, 12:52 PM   #6
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That bracket was spot welded to the side of the clamp on the exhaust pipe. Mine came loose a while back and I reattached it with JB Weld which held for about 1,500 miles and came loose again. This time I took off the bracket and welded back together.
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Old 04-16-2023, 08:25 PM   #7
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Dusty -
Thanks for the information. I had mine welded back together as you suggested and reinstalled it. Fingers crossed it'll hold for a good long time.

Thanks again -
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