Unknown rattle
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5th Wheeling
Joined: Mar 2020
Posts: 25
Likes: 0
Unknown rattle
Had the rear axle replaced on my 2007 4.6. Got it back and I can hear a rattle. Guy double checked it and said it was nothing he did. It only happens over bumps/vibration on the road. If I stop all around on the bed it doesn’t do but I stomp in the center of the bumper it does. And you can hear it around the gas tank area but it vibrates the whole bed. Had a load in it the other day it was non existent...couldn’t hear it at all....any idea what it could be it’s really bothering me and I don’t know if it’s anything major. Any ideas?
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5th Wheeling
Joined: Mar 2020
Posts: 25
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Update on rattle
Ok so I found there was a lug nut somehow that got in between my tool box and my window. So the tapping was the lug nut. However there’s still a lot of vibration when I hit the bumper. I know the bed is supposed to have some give to it seems a little excessive. Ideas?
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5th Wheeling
Joined: Mar 2020
Posts: 25
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Vibrates whole bed
I know truck beds are supposed to have some give but this is more than normal. Video doesn’t show how much it’s vibrating but it vibrates a lot after I bounce hard on the bumper and I’m a small guy. Ideas?
Fleet Mechanic
Joined: Jul 2010
Posts: 1,354
Likes: 31
From: Winnipeg
You're going to have to go underneath with a long pry bar or screwdriver and look for loose exhaust hanger/insulators, heat shields, box to frame mount bolts, park brake cables, spare tire carrier, brackets, dropped wiring harness, fuel lines, brake lines, loose shock bushings, transmission mount, etc. Use a rubber hammer also to check parts for vibration. Is there something loose in the tailgate when you closed it in the video? I don't know if your model year had the torsion bar in the tailgate.
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5th Wheeling
Joined: Mar 2020
Posts: 25
Likes: 0
Parking break
You're going to have to go underneath with a long pry bar or screwdriver and look for loose exhaust hanger/insulators, heat shields, box to frame mount bolts, park brake cables, spare tire carrier, brackets, dropped wiring harness, fuel lines, brake lines, loose shock bushings, transmission mount, etc. Use a rubber hammer also to check parts for vibration. Is there something loose in the tailgate when you closed it in the video? I don't know if your model year had the torsion bar in the tailgate.
5th Wheeling
Joined: Apr 2020
Posts: 47
Likes: 2
The piece of metal you have in your hand could be part of a spring shackle. I would definitely check them all out just to make sure you are all safe to be on the road.
The video looks like it moves a fair bit. Not that ive videoed mine to check. Maybe check you bed supports are still sound and strong.
The video looks like it moves a fair bit. Not that ive videoed mine to check. Maybe check you bed supports are still sound and strong.
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Cargo Master
Joined: Dec 2015
Posts: 2,912
Likes: 505
Nah, it's got a tiny (maybe M6 or M10) nut in the center. Nothing on the leafs that small. It appears to be some sort of keeper or retainer but I can't place it
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