Shake / Vibration 40-50 mph - Page 3

DuramaxTracker · 01-06-2013, 03:31 PM

I have the same thing but from 60-65... I just figured out it was my u joints and support bearing.

-Russell- (Yat-Yas)

EastTexan · 01-19-2013, 06:40 PM

Hey I had my toolbox in the bed, in the rear of the bed, and it seemed to help the vibration, any ideas? Cab mounts?

MidnightHauler · 01-25-2013, 03:47 PM

Mine did it (06 LBZ) and I tried rebalancing and rotating the tires. I started to look at frame beaming but it turned out the front passenger side Replaced it and rides like new again.

NMdiesel · 01-25-2013, 09:44 PM

I had the same problem on my 08 LMM. I replaced the cab mounts and still had it. I was constantly having my tires balanced. I finaly bit the bullet and bought the sulastics. I could not go more than a few hundred miles without this problem at speeds around 60-65. I know have just over 2K since I have installed the sulastics and no problems. Best purchase I ever made. Good luck

01-19-2013, 06:40 PM	eBay Motors #22 (permalink)
EastTexan Junior Member Join Date: Jul 2012 Posts: 200	Hey I had my toolbox in the bed, in the rear of the bed, and it seemed to help the vibration, any ideas? Cab mounts? __________________ 06 SIERRA 2500HD 4X4 LBZ EFI Live(by Kory), DPS 5 EGR blocked, & sticked, drivers 3" IC pipe Linex bed liner, Ranch Hands all around S&B Intake, 33" Cooper ATP's,MBRP cat back http://s299.photobucket.com/user/num...slideshow/Dmax

01-25-2013, 03:47 PM	eBay Motors #23 (permalink)
MidnightHauler DuramaxForum n00b Join Date: Jun 2010 Location: Virginia Posts: 18	Mine did it (06 LBZ) and I tried rebalancing and rotating the tires. I started to look at frame beaming but it turned out the front passenger side Replaced it and rides like new again. __________________ 2006 Silverado 2500HD CCSB LBZ Dark Blue 2004 Honda Civic LX Sedan 5spd (Daily Driver)

01-25-2013, 09:44 PM	eBay Motors #24 (permalink)
NMdiesel Junior Member Join Date: Mar 2012 Location: New Mexico Posts: 33	I had the same problem on my 08 LMM. I replaced the cab mounts and still had it. I was constantly having my tires balanced. I finaly bit the bullet and bought the sulastics. I could not go more than a few hundred miles without this problem at speeds around 60-65. I know have just over 2K since I have installed the sulastics and no problems. Best purchase I ever made. Good luck __________________ 2008 CC/SB LTZ, Ravelco, Stage 5 levling kit NorCal nick,with daystar keys, FOX 2.0 shocks, sulatics shackle, Nitto trail grappler 295/70/17 on black rhino wheels. EFI live dsp5, MBRP 4" Turbo back, diamond eye down pipe, SDP egr delete, CTS gauges with EGT probe, Airdog 165 W/ fuel pressure regulator, lower rear cab mounts, Transgo JR, Mag Hytech rear diff cover, Allison stamped oversized tranny pan

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01-06-2013, 03:31 PM	eBay Motors #21 (permalink)
DuramaxTracker Junior Member Join Date: Dec 2012 Location: Omaha, NE Posts: 77	I have the same thing but from 60-65... I just figured out it was my u joints and support bearing. -Russell- (Yat-Yas)

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