Quote:
Originally Posted by Unner
You said the problem got a lot worse after you adjusted the pinion angle with the new adjustable upper control arms. I would go back and triple check what you did there and make sure your adjustments/settings are right.
It's not common to need to adjust that for only a 2" lift on these things. Could be they are installed/set improperly.
Putting the vehicle on jack stands and running it could help narrow it down to the rear of the truck too. Does it happen in neutral as well?
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The control arms are on the lowest setting possible which was just enough. I’m right there with you, a 2” lift really shouldn’t do anything. I will probably be taking the lift and the control arms out today to see what that does, along with jacking up the rear to look and hear for anything odd. All I can think is the lift is putting strain on something that was already going out and aggravating it, I’m just hoping its not the transmission, or that any of this is hurting the trans. This is my daily driver so I kinda need it.
Edit: it appears the symptoms may be getting worse by the day. I noticed today on my way to work that going up hill felt very bad, a deep rumbling vibration would set in and then going downhill without fail, I didn’t even need to let off the gas, the grinding noise would start along with a weird oscillating type noise and slightly heavier vibrations. The only point where there isn’t vibrations is between 30-45 mph at cruise. 65-80 is when things start to get really sketchy.
