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Originally Posted by finall
Thanks for the advice. Yes, the UCP (Skid plate) was originally mashed against the exhaust, but the dealer fixed that. So there is now more than 1/2" space between the two, with no chance of contact.
But after repairs, the UCP still makes a vibration somehow. Much less than before, but still noticeable.
Something else is wrong. I wonder if body or frame flex could be torquing the UCP and creating the vibration. The UCP bolts are tight. I have no idea how it could be causing a vibration in its current state
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That 1/2" may not be enough. That part of the exhaust flexes somewhat when you hammer the gas pedal. I've been there!!!!! You could always add some washer to the mounting point closest to your back bumper...if you don;t want to try and bend it more. A 4X4 block of wood and your truck can bend that back for ya.
Also as mentioned there is a small ski back further. If you lay underneith the truck and look under there, you have to look over the top of it. Chances are if your ucp was bashed good, that other skid is too.
You may have to bend it towards the ground. You'll want a couple inches there too.
If that doesn;t do the trick: My question is how f'd is that ucp? If it's really bent up where the front H2 stamped skid plate attaches, it is possible that's where the problem is.
Take some pics...ther are enough of us that have bent the hell out of that stuff under there, the pics should help.