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06-08-2013, 01:15 PM #1
U-Joint phasing on 2003 Tahoe Z71 4WD??
I am still getting vibrations in my drive shaft after shortening it 3/4 of an inch. Was the stock drive shaft U-Joints phased, or aligned straight? The U-Joints are straight up after shortening, and am wondering if that was incorrect?? I've balanced the drive shaft 3 times, replaced the drive tube with new 3 inch DOM steel, and still have the vibrations starting at 60 mph and getting stronger with higher speeds. The diff is not parallel with the transfer case output. It is 2 degrees off. I am in the process of correcting that by moving the front of the diff down with some adjustable upper trailing arm links from Spohn Performance. But, can 2 degrees make that much difference? That is what is driving this phasing question.Bill M. Blown 2003 Tahoe Z71
06-12-2013, 04:09 PM #2
Well, Does anyone else have a 2003 4WD Tahoe? If there is someone out there with one, can they look at their rear wheel driveshaft for me?
There are two U-Joints on it. One in the front, next to the transfer case output, by a possible damper; and another one next to the differential. Can you tell me if the U-Joints on your driveshaft are aligned, front to back, in the same plane?? Or, is one U-Joint rotated from the other??
06-12-2013, 04:23 PM #3
on my 03 and 05 yukon xl's are rotated 90 degrees
1995 Silverado 4x4
6" BDS Suspension Lift-3" Body Lift-Add A Leaf in rear -Trailmaster SSV Shocks-Duel Steering Stabilizer Kit -AirAid Cold air intake-
4.56 Gears with Detroit Auburn Locker-Pro-Comp Traction Bars with duel shocks-Aluminum Skid Plate Kit-38.5" x 16.5" Mickey Thompson Baja Claws-Constant Dropping fuel gauge
2005 Yukon XL Jet Power Programmer, Bilstein Shocks, Bilstein rear springs, Helwig Anti-sway bars, EGR Window Visors, EGR Hood Shield, Denali Headlights, Headlight harness upgrade, GE NightHawk Bulbs, White Night Rear lighting system http://www.gmtruckclub.com/forum/sho...5-GMC-Yukon-XL
2002 Silverado ext cab 2wd (Sold)
2003 Yukon XL (Totaled)
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