Shackles = Vibration
01-20-2008, 07:14 PM
#11
TECH Enthusiast
Join Date: Jan 2004
Location: Ohio
Posts: 700
Likes: 0
Received 0 Likes
on
0 Posts
Shackles = vibration for me also. I installed 2" drop shackles and immediately had a vibration above 72 mph. I tried 2 degree shims, though no shims are supposed to be required with 2" shackles, to no avail. I have since removed the drop shackles and installed new stock shackles but still have the freaking vibration. I had the driveshaft checked for balance and replaced the U-joints also. I am thinking of getting a second opinion on the balance.
01-20-2008, 07:18 PM
#12
Launching!
Thread Starter
iTrader: (1)
Join Date: Jul 2007
Location: Savannah, GA
Posts: 219
Likes: 0
Received 0 Likes
on
0 Posts
Not to worry, they were broken in plenty before this, it was too much of a headache to go and screw the whole thing up. I use a taper shim from a old leaf pack, it was prob close to 1'' on the taller side
01-20-2008, 11:08 PM
#13
Staging Lane
iTrader: (1)
Join Date: Jan 2008
Location: Weatherford Tx
Posts: 71
Likes: 0
Received 0 Likes
on
0 Posts
its the drive shaft bro i am having the same issue with my crew cab even before it was lowered it would vibrate sone as u got 90to about 105 and it would smooth out and when i lowered it mad it worse i have two buddy with crew cabs and they do the same i am going to try balancing or get a custom built one since i broke mine tonight on the way home
Thread
Thread Starter
Forum
Replies
Last Post
black00chev
GM Drivetrain & Suspension
10
08-28-2015 03:39 AM