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| General Discussion General Diesel Discussion. |
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08-22-2012, 03:37 PM
| eBay Motors #1 (permalink) |
| Junior Member Join Date: Oct 2008 Location: TEXAS
Posts: 56
| Shake / Vibration 40-50 mph I have an '06 LBZ and there is a shake that is really bad at 40-50 mph. Don't notice it at all at other speeds. I've had it to the shop and the replaced the idler and pitman arms, ball joint, replaced the front tires, new shocks and drive line balanced. It's still there, can anyone help with my mystery?
__________________ 2006 2500HD 6.6L Duramax |
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08-22-2012, 03:53 PM
| eBay Motors #2 (permalink) |
| Senior Member  Join Date: Nov 2009 Location: galveston county, TX
Posts: 526
| mine does it to but @ 40-45 idk
__________________ 06 3500 4x4 lbz srw cclb, 4"tb,intake,qs2,egr/resonator blocked |
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08-22-2012, 03:56 PM
| eBay Motors #3 (permalink) |
| Senior Member  Join Date: Mar 2009 Location: Springtown Tx
Posts: 652
| I think a guy put shims under his carrier bearing to lower the driveshaft and it helped?? Sent from my Autoguide iPhone app
__________________ 2007 Classic LBZ 3500 SRW 4x4 CC/Long Bed. Sold 2013 2500 CCSB Z71 LTZ G4 Elite Fold a Cover |
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08-22-2012, 04:03 PM
| eBay Motors #4 (permalink) |
| DuramaxForum n00b  Join Date: Mar 2011 Location: Texas
Posts: 11
| I have the exact same problem. It also happens when I brake at the same speed. I replaced the upper and lower ball joints, inner and outer tie rods, idler and pitman arm, hubs, shocks, had it re aligned, and wheels and tires re balanced. It feels like its coming from my driver side front. I have cognito UCA's on there way to see if that helps...Im out of ideas!
__________________ 2006 CCSB LBZ 2" torsion keys, Cognito UCA's, EFI Live by IdahoRob,20" Monster, 33" Federal Courgia Tires, 4" MBRP Turbo Back Straight Pipe 5" Tip |
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08-22-2012, 05:42 PM
| eBay Motors #5 (permalink) |
| Junior Member  Join Date: Nov 2009 Location: Warrenton VA
Posts: 149
| Sub'd for same issue. Also have done everything that has been said above.
__________________ 2007 CHEVY LT2 CCSB LBZ EFI by ATP , Afe intake, egr blocked, 4" Magnaflow straight pipe, ppe race plug, ported fuel fitting, transgo jr, 6" lift with 35x12.5x20, kryptonite tierods, centerlink idler/pitman arm brace, 72" trac bars built by me, 8000k HIDs all around   |
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08-22-2012, 06:35 PM
| eBay Motors #6 (permalink) |
| DuramaxForum n00b  Join Date: Jan 2012
Posts: 10
| Same thing. 46-49 mph
__________________ 2006 GMC 2500 LBZ CCSB 4X4 SLT MBRP, 5" AFE Intake 285/70/16 Hypertech Stage 3 |
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08-22-2012, 06:45 PM
| eBay Motors #7 (permalink) |
| Junior Member Join Date: May 2011 Location: douro ontairo
Posts: 87
| if you have ever changed u joints in the truck try having the drive shaft re balanced just finished 2 truck doin the same things
__________________ 02 ecsb 6-7.5 bds lift kit 35s kelly TSRs, efilive DSP5 banks cold air intake silverline dual exhaust |
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08-23-2012, 03:09 AM
| eBay Motors #8 (permalink) |
| Hang it!...Fire!    Join Date: Aug 2009 Location: Tacoma, Washington
Posts: 4,249
| what kind of tires are you running? wheels balanced? i kno that when i got new wheels they asked if i wanted weights on the front and back of the rim for a perfect balance.
__________________ Max - 07 LBZ ECLB LOWERED! Plugged, Rerouted, Blocked, PPE Mod, DE 5 inch, DE 3inch DP, EFI Live DSP-5 by IDAHO ROB, Insight, Raptor 150, Transgo Jr, Nicktane, PROEFX Steel Roll Pan, XD Revolvers -24 Offset 20x10 w/ 305/50 Nitto 420s, Alligator Sleeves, Belltech 3inch drop shackles, T Bar bolts all the way out, DDM Tuning 6000k Low/3000k Fog, and about 50lbs of Zipties |
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08-23-2012, 05:37 AM
| eBay Motors #9 (permalink) |
| DuramaxForum Veteran  Join Date: May 2011 Location: Regina, Sask!
Posts: 1,338
| Its common on almost all trucks. Mine does it also feels like a wobble in the front. My buddy's 1/2 ton gasser does the same thing it weird and ive grown to live with it
__________________ 2006 LBZ Mike L Stage Awesome! Airdog2 165, 5" MBRP Turbo back EFI Live tuned by Idaho Rob, DSP5, ATP Cognito set at 8" Nor-cal Truck SS idler support/ Rare parts tie rods 37x13.50x20" toyo MT's/ XD Hoss wheels, Fuel Octanes HID's All on mod/ AMP reaserch steps |
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08-23-2012, 06:21 AM
| eBay Motors #10 (permalink) |
| Join Date: Sep 2011
Posts: 5
| It could be beam shake. my '02 does it real bad, but then again all my cab mounts are shot. |
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