Hey guys,
I've got a pretty wicked noise & vibration in the front end on my 07 screw 4x4
Coasting and braking cause whining noise in the front end over 60km/h and once I get down to 20kmh the violent vibration starts.
It doesn't change from side to side like a typical wheel bearing or tire would while turning.
When moving really slow it feels like driving over a washboard dirt road, shaking your teeth apart.
Another interesting point is the vibration gets worse as the weather gets hotter out and virtually disappears when it's colder than about 50*
U joints are good, brakes are good, the front end joints seem to be good...
Any ideas?

 

Tires are balanced, right?

Out of balance driveshaft maybe?

 

It doesn't seem like any weights have broken off the drive shafts....
Ill check the wheels, I was thinking an out of balance wheel would get worse with speed, where as this is the opposite

 

Bump

 

I have to agree check the drive shaft and u joints when my u joint failed it ceased up and made a vibe but I was unable to tell something was wrong till I removed the shaft and rolled it one joint was ceased up bad replaced both and no more vibration

 

Will do, thanks.
If it makes any difference, this all started after I pulled a 6000 lb trailer at the start of the month, and on Saturday, I had to drive down this crazy rough dirt road and ever since the noise/vibration has subsided for now.
Strange!

 

Give everything a good once over. From tire balance, joints all kinds, hubs, even remove wheels and service your breaks. Did you hit any bad bumps or any rocks lately and just to be through make sure it's not the 4 wheel drive hubs acting up.