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08-19-2017, 07:07 PM
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#1
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Junior Member
Join Date: Aug 2017
Location: flushing
Posts: 2
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bouncing/chucking
We have a new Cougar 28sgs fifth wheel. I have also purchased a new 2016 Sierra 2500HD. Plenty of suspension for towing. General RV sold me a Reese hitch for pulling . I get an awful lot of bouncing while towing . Any recommendations.
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08-19-2017, 07:32 PM
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#2
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,979
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Try loading the front of the fifth wheel heavier. I'd suspect that you're on the light end right now and that's contributing to the chucking. The heavier you get it (I try to be about 22% if I can).
__________________
John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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08-19-2017, 08:14 PM
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#3
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Senior Member
Join Date: Jan 2016
Location: Oregon
Posts: 247
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Is this your first 5th wheel or are you comparing to another setup? 5th wheels definitely bounce and "chuck" from time to time. There's not much that can be done about the physics involved. It's a matter of carrying much more of the trailer's weight on the truck compared to a traditional trailer.
I run some air bags on my 2500 with a 9000# dry 5th wheel and it helps a lot. Basically, it stiffens the hinge between the truck and trailer and really prevents the rythmic bounce when rolling over uneven roads.
There are also all kinds of things you can install between the pin and the hitch. I'm not sure if/how effective these are. I see some people on forums talk about them but it's not as though they are a "must have" so I question just how much help they are.
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08-19-2017, 09:43 PM
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#4
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Senior Member
Join Date: Apr 2012
Location: Portland, OR
Posts: 4,218
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Quote:
Originally Posted by JRTJH
Try loading the front of the fifth wheel heavier. I'd suspect that you're on the light end right now and that's contributing to the chucking. The heavier you get it (I try to be about 22% if I can).
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X2
If your FW tank is forward of the axles, run with it full. Put very good shocks on the TV, and if the 5er doesn't have any add them.
__________________
Russ & Paula and Belle the Beagle.
2016 Ram Laramie 3500 DRW 14,000# GVWR (New TV)
2005 Copper Canyon 293 FWSLS 32’ GVWR 12,360
Visit and enjoy Oregon State Parks
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08-20-2017, 04:14 AM
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#5
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Senior Member
Join Date: Jun 2016
Posts: 252
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I would recommend weighing the setup as it stand. Next time you're out, hit the CAT scales weigh the truck and trailer fully setup, with all your gear, as you head down the road. The results of that weigh will be very revealing. It will tell you where the truck and trailer are wrt GVWR, how much pin weight, how much payload on the truck, etc. That will help you determine if you have a fundamental setup issue, or if maybe a suspension pin box is all you need to help address the chucking.
__________________
2015 F350 LARIET CCSB SRW PSD
2017 KEYSTONE FUZION 325
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08-20-2017, 05:36 AM
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#6
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,317
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I have spent years doing different things in an attempt to eliminate chucking. Mainly because it gives a negative connotation to my name
But seriously, I have done lots of different things. Air bags seemed to be the best thing for my situation. Sometimes you just can't get rid of it depending on the road. Those expansion joints seem to spaced just right( wrong). If you do get bags I would recommend on board air as it allows for adjustments while on the road. I changed out my stiff pin box with a rotaflex earlier this year. Currently on a trip from Modesto Ca. To Portland Or to see family and on this long trip I can now say, they are worth the money!!
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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08-20-2017, 06:40 AM
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#7
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Senior Member
Join Date: Jul 2014
Location: Nevada
Posts: 2,695
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Quote:
Originally Posted by chuckster57
I have spent years doing different things in an attempt to eliminate chucking. Mainly because it gives a negative connotation to my name
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Reminds me of an early, Saturday Night Live skit.
__________________
Desert185 🇺🇸 (Retired Chemtrail vendor)
-Ram 2500 QC, LB, 4x4, Cummins HO/exhaust brake, 6-speed stick.
-Andersen Ultimate 24K 5er Hitch.
-2014 Cougar 326SRX, Maxxis tires w/TPMS, wet bolts, two 6v batts.
-Four Wheel 8' Popup Camper.
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08-20-2017, 06:52 AM
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#8
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Senior Member
Join Date: Jul 2017
Location: Romeo
Posts: 142
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shocks
I too get a lot.
New to 5th wheel setup, so have nothing to compare to .
Though NEW GOOD shocks on truck helped a lot.
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08-20-2017, 10:03 AM
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#9
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Senior Member
Join Date: Apr 2012
Location: Portland, OR
Posts: 4,218
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Quote:
Originally Posted by Mic
I too get a lot.
New to 5th wheel setup, so have nothing to compare to .
Though NEW GOOD shocks on truck helped a lot.
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Putting them on the 5er will help also!
__________________
Russ & Paula and Belle the Beagle.
2016 Ram Laramie 3500 DRW 14,000# GVWR (New TV)
2005 Copper Canyon 293 FWSLS 32’ GVWR 12,360
Visit and enjoy Oregon State Parks
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08-20-2017, 10:33 AM
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#10
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Senior Member
Join Date: Jul 2017
Location: Romeo
Posts: 142
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Quote:
Originally Posted by rhagfo
Putting them on the 5er will help also!
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Is there a thread on how to do that?
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08-20-2017, 11:58 AM
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#11
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,317
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Search the forum using "adding shocks" and it will yield a few threads.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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08-20-2017, 02:49 PM
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#12
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Senior Member
Join Date: Apr 2012
Location: Portland, OR
Posts: 4,218
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Lippert makes a kit, for most Keystone 5ers, after four years I replaced the China shocks with USA made Monroe sucks and 5er travels as smooth as the TV.
__________________
Russ & Paula and Belle the Beagle.
2016 Ram Laramie 3500 DRW 14,000# GVWR (New TV)
2005 Copper Canyon 293 FWSLS 32’ GVWR 12,360
Visit and enjoy Oregon State Parks
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08-20-2017, 03:12 PM
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#13
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,317
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I had factory shocks on my'97 Jayco. It broke the mounts off twice.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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08-20-2017, 03:44 PM
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#14
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Senior Member
Join Date: Aug 2011
Location: California
Posts: 129
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I had a Reese slider installed when I bought our 5er 7 years ago. Lots of chucking and bouncing. I added a Morryde hitch..helped. Replaced factory spring equalizers with a Dexter EZflex..helped. Finally replaced the slider with an Andersen Ultimate and now it pulls great.
__________________
Central Calif.
2010 Dodge 2500HD, 5.7 hemi
2007 Cougar 244rls
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08-20-2017, 04:16 PM
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#15
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,317
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Anderson hitch won't stop chucking by itself IMO, The hitch point is still the same. If your hooked to an Anderson or a conventional king pin, the pin box is still "secured" to the tow vehicle.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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08-20-2017, 04:31 PM
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#16
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Senior Member
Join Date: Nov 2014
Location: Lagrange OH
Posts: 446
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Reese Fifth Airborne pin box works awesome for me. Worth every penny. But it takes some experimenting to get the air and bag adjustment just right. My loaded pin weight is 2600 lbs and I put in 60 lbs of pressure pre hook which works out to around 82 lbs post hook. My tow vehicle is a 17 SRW long bed crew cab F350. I also used this pin box with my 11 F350 dually. 10 times better than the stock pin box once you dial it in. No air bags on either truck. My new truck may even ride nicer than the dually did, it's that's good.
Sent from my SM-G920V using Tapatalk
__________________
2017 Ford F350
2015 Cougar 337FLS
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08-20-2017, 04:55 PM
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#17
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Junior Member
Join Date: Feb 2017
Location: Alberta Canada
Posts: 6
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Quote:
Originally Posted by rhagfo
X2
If your FW tank is forward of the axles, run with it full. Put very good shocks on the TV, and if the 5er doesn't have any add them.
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I agree with water tank full, my HC Montana chucks me around the cab with the tank empty. Water tank full and it's a whole different ride.
Sent from my iPhone using Tapatalk
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08-20-2017, 06:25 PM
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#18
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Senior Member
Join Date: Nov 2014
Location: Lagrange OH
Posts: 446
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So I agree changing the pin weight WILL change the ride but that doesn't mean what works for one will work for another. The floorplan and inherent weight along with how the rig is loaded will also come into play. My floorplan is a front living room model which are known to be nose heavy so mine actually rides worse with a full water tank. As someone else mentioned the OP should start by weighing the rig when its loaded to camp and experiment from there. I'm right around 21% pin weight. That said, since installing the 5th Airborne pin box it rides better both with a full water tank or empty. just that empty rides better for me. I have also read a lot of good reviews about the Moryde rubber spring pin box. Looking at your specs the empty weight is 8200 and pin weight is 1485. Lets say your loaded weight is 9500. That means to be at 21% you'd have to raise your pin weight from 1485 to 1995. Thats gonna be hard to do. But I think it gives you an idea of how to load your trailer, that is load it nose heavy, possibly including a full fresh water tank. If that doesn't work I'd consider replacing the pin box.
__________________
2017 Ford F350
2015 Cougar 337FLS
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08-21-2017, 06:03 AM
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#19
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Senior Member
Join Date: Jul 2017
Location: Romeo
Posts: 142
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Can shocks be added to 5er with MORryde CRE3000 suspension.?
__________________
2018 Cougar 359MBI
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08-21-2017, 06:18 AM
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#20
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Member
Join Date: Jun 2017
Location: Ottawa
Posts: 46
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For the OP it's important to stress that all of these solutions people have figured out only reduce it. You will always have to deal with it a little - you're always one pavement wave or bad bridge expansion joint away from a carny ride - just learn to look out for them and stay calm.
Sent from my SM-G930W8 using Tapatalk
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