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12-13-2018, 10:44 PM
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#1
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Name: blackcloudCTD95
Title: Too Much Time
Status: Not Here
Join Date: Oct 2007
Location: south Fl
Member`s Gallery
Posts: 754
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Wheel hop- driving me nuts
Its a ext cb lb 4x4 3500 convertered to srw. It's not death wobble this is in the rear you feel it in the seat. It feels like rear of the truck is is hopping around at 38-40mph. You can drive out of it and you can drive 35mph and it won't do it. Its driving me nuts.. Ford(99-04ish) 4dr lb 4x4 srw have the same hop and there iant a fix, nature of the beast due to the length of the wheel base
Ive had 3 sets of tires, u-joints, 2 different sets of rims. Both axle shafts, carrier bearing. Replaced
I had a customer replace his drums and ever since that happened he had a vibration and it ended up being the drums. Balanced tires, rotated etc. ( I was thinking that could be it) ?? Maybe adding Trac bars ? Adding weight to the truck to see if it helps it any
Have any of y'all ever ran into that??
__________________
98 qclb 5x14, 191's , benched pump to 425cc , 4k , 23* head studs , valve springs , hx35/sxe366 compound kit. built trans
Last edited by blackcloudCTD95; 12-13-2018 at 10:47 PM.
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12-13-2018, 11:11 PM
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#2
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Name: SKYNYRD
Title: "Drunkard"
Status: Not Here
Join Date: May 2007
Location: Harpers Ferry, WV
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Posts: 5,665
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A suggestion is that if you know anyone with a gopro try placing it under the truck and record the rear axle to see if you catch on video what is happening. It may show that the hop is from a single side or not. I know I would get wheel hop when driving in snow due to the axle wrap. I put a set of ladder bars on the truck and the issue went away.
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Leonard
79 VW rabbit diesel (ALH & 4motion )
04.5 rclb 4x4
01 & 03 VW Golf TDI
05 rcsb 2wd (in progress )
ROSKOE115: "It's ain't avatar material but I'd hit it!"
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12-14-2018, 12:35 PM
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#3
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Name: crackerman
Title: Too Much Time
Status: Not Here
Join Date: Jan 2010
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Posts: 1,800
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Did you have the driveshaft balanced? Is the driveshaft a 2 piece and out of phase? Like try splitting the shaft apart at the slip yoke, rotating it 180 dg and reinstalling.
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12-14-2018, 12:40 PM
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#4
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Name: Red Sleeper
Title: Too Much Time
Status: Not Here
Join Date: Aug 2009
Location: Lone Star State
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Posts: 4,582
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What brand tires are you running?
Do the symptoms occur if you tow a trailer?
__________________
Nick J
'14 Silverado LTZ 5.3 4wd
'05 Cummins QCSB 4wd 48re
'91 Cummins w350 5spd
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12-14-2018, 01:21 PM
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#5
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Name: blackcloudCTD95
Title: Too Much Time
Status: Not Here
Join Date: Oct 2007
Location: south Fl
Member`s Gallery
Posts: 754
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Happens when in driving empty. I havent seen what it does with a payload in the bed and I also havent pulled a trailer in a min so i don't know. The truck had toyo at , cooper at3, and now falken wild peak at2.
It is a 2 peice drive shaft and looking down the shaft all the chalk marks are aligned.
It does feel a little like wheel hop when it does it its not a vibration, its a bouncing jaw jaringin the seat. I don't know if vehiclws behind me can see it or not
__________________
98 qclb 5x14, 191's , benched pump to 425cc , 4k , 23* head studs , valve springs , hx35/sxe366 compound kit. built trans
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12-14-2018, 01:23 PM
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#6
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Name: blackcloudCTD95
Title: Too Much Time
Status: Not Here
Join Date: Oct 2007
Location: south Fl
Member`s Gallery
Posts: 754
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What ever is causing this you see the 4x4 shifter bouncing and you feel it in the 4x4 shifter
__________________
98 qclb 5x14, 191's , benched pump to 425cc , 4k , 23* head studs , valve springs , hx35/sxe366 compound kit. built trans
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12-14-2018, 02:14 PM
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#7
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Name: CorneliusRox
Title: Seasoned Rookie
Status: Not Here
Join Date: Dec 2012
Location: Detroit, MI
Member`s Gallery
Posts: 4,154
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I'd check out the carrier bearing for the driveshaft, and maybe have the driveshaft balanced.
I'm assuming your wheels were balanced and checked for runout when new tires were put on.
Trans mount is a good call too.
Lastly, check your leaf springs and the u-bolts. Make sure you don't have a crack in one of your shackles.
__________________
Corey - BSME '21 Tesla Model 3 Perf
'22 DMax AT4 2500
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12-14-2018, 03:29 PM
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#8
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Name: RacinDuallie
Title: Black Sheep Racing
Status: Not Here
Join Date: Apr 2006
Location: Supporting Northeast Diesel Racing
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Posts: 17,369
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I suspect the carrier bearing.
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12-14-2018, 08:36 PM
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#9
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Name: stumpy
Title: Just hopping along
Status: Not Here
Join Date: May 2010
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Posts: 221
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Check your ubolts. Mine got stretched so they were loose and caused axle wrap Pretty bad
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12-14-2018, 10:15 PM
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#10
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Name: Crawler
Title: Press the BIG RED button.
Status: Not Here
Join Date: Apr 2006
Location: NE Texas
Member`s Gallery
Posts: 837
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Also check your angles. Trans to DS, carrier bearing, and pinion angle. Make sure they math out correctly.
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12-14-2018, 10:21 PM
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#11
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Name: 95cummins5.9
Title: Old man ***** gossiper
Status: Not Here
Join Date: Jun 2012
Location: U.S.A
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Posts: 4,715
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One piece driveshaft and aluminum rims fixed my ECLB right up. Fought the wobble shudder unbalance forever and lots of money too. Track bars helped some but leaf spring clamps helped more. Good luck
__________________
Quote:
Originally Posted by jfaulkner
puzzy, tune it.
I don't own anything stock, from engines to boobies I've modded them all. Life is too short to live with mediocre chit.
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12-15-2018, 12:08 PM
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#12
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Name: blackcloudCTD95
Title: Too Much Time
Status: Not Here
Join Date: Oct 2007
Location: south Fl
Member`s Gallery
Posts: 754
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What are these leaf spring clamps you speak of? I jacked it up last night after work and had someone hold is at 37-40 and it's defiantly comming from the right rear. I just played with a road force balance machine to figure out a high/ low spot I roated the tire on the rim 180*. While the tire was off I checked the brakes. Which I knew needed to be done. The adjuster is about maxed out and the drum has some play when it's slipped on. Brakes are going on next week
__________________
98 qclb 5x14, 191's , benched pump to 425cc , 4k , 23* head studs , valve springs , hx35/sxe366 compound kit. built trans
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12-15-2018, 12:29 PM
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#13
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Name: RacinDuallie
Title: Black Sheep Racing
Status: Not Here
Join Date: Apr 2006
Location: Supporting Northeast Diesel Racing
Member`s Gallery
Posts: 17,369
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I'm still gonna say it's that stupidass carrier bearing for the 2 pc driveshaft.....
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12-15-2018, 03:41 PM
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#14
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Name: 95cummins5.9
Title: Old man ***** gossiper
Status: Not Here
Join Date: Jun 2012
Location: U.S.A
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Posts: 4,715
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O'Reilly carries them in the towing section. Flat bar with a u bolt. For 3" springs.
__________________
Quote:
Originally Posted by jfaulkner
puzzy, tune it.
I don't own anything stock, from engines to boobies I've modded them all. Life is too short to live with mediocre chit.
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12-17-2018, 09:57 AM
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#15
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Name: Redrider2911
Title: Too Much Time
Status: Not Here
Join Date: Nov 2015
Location: Yakima, WA
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Posts: 780
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What about shocks simply being worn out? That’s a high possibility to if the spring frequency matches with road deformities.
__________________
49 Willys Pickup. 5600lb. 11.8sec @115mph 1/4. 12 valve. MegaSquirted 47RH. 3.54 posi rear. 35" tires. 64mm HE351ve, S475 (75/96/1.32), A/W Intercooler. AFC mods. 5x16s. 191 DVs, 180 pump. 23*. 85psi. Build Thread
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12-17-2018, 10:05 AM
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#16
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Name: RacinDuallie
Title: Black Sheep Racing
Status: Not Here
Join Date: Apr 2006
Location: Supporting Northeast Diesel Racing
Member`s Gallery
Posts: 17,369
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I had same issues, tracked it down to the carrier bearing, replaced it 3-4 times before the last time which I eliminated that pesky 2pc driveshaft and weak carrier bearing setup. I replaced each time with bearing assembly from Mopar.
Had a custom 1pc driveshaft made and been fine ever since.
Just throwing out my experience......
On edit* this is on my 98.5 quad cab 3500......
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Last edited by RacinDuallie; 12-17-2018 at 10:17 AM.
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12-18-2018, 01:01 PM
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#17
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Name: CorneliusRox
Title: Seasoned Rookie
Status: Not Here
Join Date: Dec 2012
Location: Detroit, MI
Member`s Gallery
Posts: 4,154
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This might sound hillbilly, but on my truck with 37's and three extra inches in the rear, a treated piece of dimensional lumber made an excellent spacer for the carrier bearing to keep it happy. You'd be surprised how well it worked for absorbing just a little bit of shock. Make sure you use thread locker since it's not technically a hard joint. ;-)
__________________
Corey - BSME '21 Tesla Model 3 Perf
'22 DMax AT4 2500
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12-18-2018, 09:28 PM
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#18
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Name: blackcloudCTD95
Title: Too Much Time
Status: Not Here
Join Date: Oct 2007
Location: south Fl
Member`s Gallery
Posts: 754
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I really dont think ots the carrier bearing, 1) the truck isn't lifted and I dont have that studder/ shudder when you dont drop a carrier. 2) it's only the right rear thats effected left rear is fine. Both axle shaft a are new. But I will double check it when i do the brakes
__________________
98 qclb 5x14, 191's , benched pump to 425cc , 4k , 23* head studs , valve springs , hx35/sxe366 compound kit. built trans
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12-18-2018, 09:31 PM
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#19
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Name: blackcloudCTD95
Title: Too Much Time
Status: Not Here
Join Date: Oct 2007
Location: south Fl
Member`s Gallery
Posts: 754
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Quote:
Originally Posted by 95cummins5.9
O'Reilly carries them in the towing section. Flat bar with a u bolt. For 3" springs.
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I just looked them how how many did you put on per sode one or two? And where did you put them
__________________
98 qclb 5x14, 191's , benched pump to 425cc , 4k , 23* head studs , valve springs , hx35/sxe366 compound kit. built trans
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12-18-2018, 11:04 PM
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#20
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Name: smokinVE
Title: $$+VE=NO HP
Status: Not Here
Join Date: Aug 2011
Location: Desart
Member`s Gallery
Posts: 1,731
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Kinda skimmed so sorry if already answered, BUT how about making that truck front wheel drive?
__________________
93D350, VE powered, slow but reliable:-))
Quote:
Originally Posted by jasonc
I don't think they let hair sniffer twit much. Or the little gay guy. Only the Indian does.
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