Hitch Rattle - Page 2 - Fiberglass RV


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Old 07-25-2015, 09:12 PM   #15
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Name: bob
Trailer: 1984 u-haul ct13; 1996 Casita 17 Spirit Deluxe; 1946 Modernistic teardrop
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How about a shim at the top, plus the hitch vise?
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Old 07-25-2015, 09:21 PM   #16
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Maybe. What would you use for a shim?

At this point, though, I am not convinced the noise is related to drawbar movement. It seems to be clamped down very tightly and is quiet at speeds below 45mph, even on rough surfaces.
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Old 07-26-2015, 03:57 PM   #17
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Jon, sounds like you may have some other kind of noise, similar to what Bob Miller and I have experienced. Like a harmonic type vibration noise maybe. What I have experienced with my home made hitch tightener is that I have to get the nuts REALLY tight or I'll still get some movement noise. And my device pulls down, where as yours clamps side to side and extreme stress from bumps in the road may still move it. Anything loose under your tow vehicle that could make a noise at speed, from vibration or wind? One of my cars makes a real odd noise with a window just cracked open. Noises can be tough to track down. So for the shim question, I had a piece of that perforated steel angle that is available in most hardware stores and found a short piece could just fit between the side of the hitch and drawbar, tapping it in with a hammer. A case of what do I have the right thickness. Just some random ideas here, probably of no use, but something to think about.
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Old 07-26-2015, 05:47 PM   #18
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That may explain why I got a better result on the second try rather than the change in orientation- I tightened it down pretty hard. I'll try coming up with a shim, too. You're right, noises can be difficult to pinpoint. I'd at least like to completely eliminate the drawbar as a source,

Thanks for you help. I'm not going to be able to work on it for several days, but I'll do a follow up next weekend.
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Old 07-26-2015, 05:53 PM   #19
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Shims I've used on my bike rack receiver ( at the back ) are intended to be used to attach an axe head to the handle. Got them at local hardware.
As you can see, I had limited room to pound it in. Metal is a bit soft, which probably helps.
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Old 07-27-2015, 11:05 PM   #20
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I have one stinger that rattled in the hitch. It was simple enough to run a couple of weld beads on the side and top of the stinger and grind them down until it fit snug in the receiver. No more clunk clunk on every dip.
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Old 07-27-2015, 11:54 PM   #21
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Dang Steve, that's what I was going to suggest, you beat me to it. So much easier than using clamps or shims too.
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Old 07-28-2015, 12:18 AM   #22
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Easier yet, do what I do, nothing.
When I hear the rattle, I know the hitch is still there.
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Old 07-28-2015, 01:01 AM   #23
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Quote:
Originally Posted by Glenn Baglo View Post
Easier yet, do what I do, nothing.
When I hear the rattle, I know the hitch is still there.
Good one Glenn, I've got different stingers for different trailers I use, most I don't care if they rattle either .
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Old 07-28-2015, 02:52 AM   #24
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I put weld beads on my draw bar and ground to net fit. It was quiet for a while, then started making noise again, so I drilled the receiver on both axis and tapped threads for set screws. I located the horizontal screw close to the corner of the tube nearest the top so the set screw would not crush the draw bar, and did similarly locate the vertical screw near a corner. I used a 5/16" drill to pilot a 3/8" NC tap. I used 3/8" hex bolts for the set screws. It works well.
I just purchased a new cargo carrier for the back of the trailer that fits into a 2" receiver. It is loose as a goose and rocks all over the place. I think I will forgo the weld beads and just do a set screw starting at a bottom corner of the receiver tube and angle it up at 45 degrees. Maybe one screw can tighten both axis that way?
Russ
I can post pictures if anyone is interested in how this looks.
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Old 07-28-2015, 05:01 AM   #25
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Maybe I'm in the dark but I don't understand folks having problems with a hitch rattle. After towing for over 30 years with trailer weights from 150# to 50,000# you're going to get a bit of rattle now and then with the road conditions. All hitch combos will wear out and spread/stretch clearances over time and need to be changed out. I would call it metal fatigue of the hitch components. I've heard mine on occasion but it was always because of the road, still tracking good, turn the radio up and keep on truckin'
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Old 07-28-2015, 07:25 AM   #26
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One of my bike racks has a threaded pin that screws into a threaded piece inside the square tube, so when tightened there is no play. For my other racks I welded a 5/8 nut on to a flat piece of steel, insert in rack tube, 5/8 bolt through hitch hole, and tighten. No rattle, no movement of the rack. Works for me, maybe not for others. Since I use several different draw bars in four vehicle hitches, and all fit differently in each hitch, I can't weld a bead to tighten them so have to use a tightener device.
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Old 07-28-2015, 07:55 AM   #27
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I had a similar issue and even tried 2 of those set ups, vertical and horizontal without success. What works for me is the "Softride" locking model seen here
Stainless Steel Locking, Anti-Rattle Threaded Hitch Pin for 2" Trailer Hitches Softride Locks SR25219
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Old 07-28-2015, 09:48 PM   #28
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Quote:
Originally Posted by Borrego Dave View Post
Maybe I'm in the dark but I don't understand folks having problems with a hitch rattle. After towing for over 30 years with trailer weights from 150# to 50,000# you're going to get a bit of rattle now and then with the road conditions. All hitch combos will wear out and spread/stretch clearances over time and need to be changed out. I would call it metal fatigue of the hitch components. I've heard mine on occasion but it was always because of the road, still tracking good, turn the radio up and keep on truckin'
Dave,
Hitch rattling is to be expected, but still annoying.
It is sort of like being in McDonalds sitting in a booth backed up to a couple of screaming kids arguing over a plastic toy. It's hard to ignore for me even though I am sitting in the "arguing brat capitol of the world".
Sometimes silence is worth a million dollars.
Russ

Now I just have to figure out how to shut up the mud and snow tires!
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