Just saw this. I am running the Fabtech 4" Uniball A arm. I like the size of the lift. Install was not fun. If I were to do it again I would go with the 4" bracket. Uniballs are not good in winter / salty roads. Running moto metal 20" -24 offset 33 12.50 RT Toyo. Minor rubing. Sent from my SM-G930V using Tapatalk
Fabtech 4" bought from JackIt, go with the ball joint if you live in a snow / salt region. Uniballs are not meant for daily drivers. 2016 Silverado 4" 33 12.50
Szyikowski replied to BassOverflow's topic in 2014-2018 Silverado & Sierra ModsFabtech 4" Uniball is the lift I am interested in.
Szyikowski replied to BassOverflow's topic in 2014-2018 Silverado & Sierra ModsHas anyone heard of any problems with the 4" uniball lift in 1500 2016 silverado. I know it drops the differential, so the drive line angles are good I am wondering about the steering connections. I would go full drop but would like the option to return to stock if need be. RC doesn't have a 3.5 lift for this truck with stamped steel a arms. Any input appreciated.
Haven't heard back from the engineers yet on the hole axle thing yet. I will let you guys know what I find out. About the tire balancing in the previous post. It may have been possible they put the tires on diffently then when they took them off. The offset balance may have been countering the oblong axle or carrier in the rear end. Onece put on in a different location or rotation it may be compounding the problem. Just a thought.
Zero vibration without trailer. With trailer vibration is light at lower speeds and real rough at 70. Shakes the entire truck. Hands shake on the wheel but it is the entire truck doing that as it doesn't feel like it is coming through the steering mechanisms. Similar to the videos recently posted and described by many of you. I did have the drone vibration when I bought the truck in July of 2013 but that went away some how. Crew cab Z71 5.3
I MAY HAVE FOUND THE PROBLEM! I have been on this thread since the beginning but haven't seen any real solutions. Here is what I know. There is a known problem with oblong axle shafts which react with carrier in the rear end. Fortunately for me my truck only vibrates when towing my quads around on an aluminum trailer. Doesn't vibrate with a heavy trailer or anytime else. I took it in today with trailer and quads. The service manager road with me and said this is awful and said he would be on the phone 1st thing in the morning with gm engineers. I also heard through some friends that there was a recent training for mechanics dealing with this exact problem. My dealer didn't know any thing about it. The vibration that I am getting with the trailer is probably what many of you are getting with out due to tolerance differences. Service manager said he would get back to me by the end of the week. I will keep you updated. Fingers crossed.
Just got a fire recall via phone (Dealer) and email(GM) . They also will be doing something to the sliding rear window, some other recall I didn't even know about. No word on the vibration. I might take the trip to Goodyear. If that doesn't work I am gonna park it at the dealer and let it idle. Lol
My local dealer fixed a vibrating truck by replacing the front right cv joint.(I think that what they are still called) Unfortunately that wasn't the case with my truck, but may be with those of you who feel the vibration in the steering wheel.
I been on and following this thread since the beginning I also have a mechanical engineering degree. So here is my take. There are mainly two completely different vibrations which are not related to each other being posted here. The first is obviously the higher speed vibration which seems to be related to improper wheel balancing. These new trucks are using higher strength steel and are more sensitive to Harmonic vibrations then ever before. Having your wheels and tires perfect is a must. The second is a audible vibration caused by the cylinder deactivation and exhaust. I bought one of the first in the area and had no issues concerning this until I had a computer update. Mostly felt when the motor is at a low rpm for that particular gear. I blame this on our governments mpg/emission laws. There are a few random problems mixed in the forum as well, (This is to be expected with any manufacturer) that resulted in a vibration. Hopefully GM will pull their heads out of their ars and fix these issues. As I mentioned before in earlier post my worst problem is hauling a light trailer. I think it's the tire problem magnified. Just haven't had time to go back to the dealer with the trailer attached.
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