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Old 05-27-2016, 03:20 AM   #1
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Is it normal for hitch to clunk when starting/stopping

I have a Reese 20K #30081 that has a single jaw. When starting out or stopping it feels like the trailer moves back and forth inside the hitch clunking. It's almost like the jaw is not tight against the kingpin allowing it to move. Is there an adjustment for the jaw that would tighten up the connection? I've pulled tag along's forever only pulled the fifth wheel about 500 miles.
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Old 05-27-2016, 03:38 AM   #2
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I have a Reese 20K #30081 that has a single jaw. When starting out or stopping it feels like the trailer moves back and forth inside the hitch clunking. It's almost like the jaw is not tight against the kingpin allowing it to move. Is there an adjustment for the jaw that would tighten up the connection? I've pulled tag along's forever only pulled the fifth wheel about 500 miles.
There should not be any movement of the king pin when hitch to the receiver properly. I have over a million miles pulling trailer ranging from rv 5th wheels up to pulling 120 thousand pound loads across country and have never heard of a pin moving in the hitch. You might wont to have it looked at be for you go down the road again. I would not attempt to do any adjustments on my own. Can you call the dealer where you bought the hitch and ask them some questions? May be its a faulty hitch receiver. Good luck safe travels.
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Old 05-27-2016, 03:43 AM   #3
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Originally Posted by robkathybat View Post
I have a Reese 20K #30081 that has a single jaw. When starting out or stopping it feels like the trailer moves back and forth inside the hitch clunking. It's almost like the jaw is not tight against the kingpin allowing it to move. Is there an adjustment for the jaw that would tighten up the connection? I've pulled tag along's forever only pulled the fifth wheel about 500 miles.
You should be able to see the jaws and they should be completely closed. If you have a hard time seeing them once hitched up, take some bright spray paint like yellow and paint the jaws which will make it easier to confirm. Do not however, I repeat, DO NOT stand under the back of the truck under the hitch pin looking unless you are 99.9% sure that you are hitched properly. The handle should be in the "in" position and the lock lever down over the handle. You are probably hearing and feeling a little chucking from the hitch movement when you take off or slow down to a stop. If the jaws are not completely closed than you have an issue to deal with.
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Old 05-27-2016, 04:15 AM   #4
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Originally Posted by robkathybat View Post
I have a Reese 20K #30081 that has a single jaw. When starting out or stopping it feels like the trailer moves back and forth inside the hitch clunking. It's almost like the jaw is not tight against the kingpin allowing it to move. Is there an adjustment for the jaw that would tighten up the connection? I've pulled tag along's forever only pulled the fifth wheel about 500 miles.
I don't believe RV 5th wheel hitches latch as tight as a semi tractor. I'm deaf, so never heard any clunking until after I had a cochlear implant last year. I now hear my hitch. In the early 70s, when I worked in the garage of a regional trucking company, I don't ever remember hearing any noise. I still had decent hearing then.

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Old 05-27-2016, 04:24 AM   #5
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If you have the TrailAir hitch, you get clunking all the time. I'm used to it...
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Old 05-27-2016, 01:03 PM   #6
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If you have the TrailAir TriGlide (with air bag & shock) you will get clunking when starting/stopping, the bottom plate is on rollers & moves a couple inches, grease all 9 zerks (3 are up inside seen from the back of hitch) & it will help some.
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Old 05-27-2016, 01:14 PM   #7
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I have a Reese 24K hitch and I get an occasional "clunk" (since new) when I do a hard acceleration or hard braking, I consider it normal. I run with a "slick disc" which may contribute to the movement (more slippery). The Reese has a single "C" shaped jaw that grabs the pin, and it's closed and locked, but it may not be as tight as some other multi jaw types.
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Old 05-27-2016, 02:23 PM   #8
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I'm in the "If you have the Tri-Glide crowd" Lippert's attempt at copying the Demco Glide failed big time. It doesn't stay centered, but instead moves forward when stopping and backwards upon takeoff. As noted, pumping it full of grease will help for short term.
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Old 05-27-2016, 03:12 PM   #9
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Same as Michelle, I've grown used to it but hate it. The hitch will be replaced this summer, just haven't decided if it's going to be a FlexAir or a MorRyde with a Comfortride Hitch.
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Old 05-27-2016, 03:49 PM   #10
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Vaughan, hurry up and make up your mind so I know which way to go. Looking at the FlexAir and the RW Rally price, but have also been pricing Air Hitches, but they're two too three times the special FlexAir price.
Already checked and Lippert won't install one at the CG, have to go to there facility. May see if they will at least deliver one to the CG and maybe with enough Big Strong Guys to help we could get it changed out.
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