I know I have a heavy truck with heave tires but the back end just shakes and vibrates. My console cup holder just shimmys!! I just put new tires on the back I am thinking about replacing the shocks next. The PO put 30k on it and I have 71k now. If I replace the shocks what should I put on?

 

Bilstein 5100s are a nice option

 

Doesn't sound like a shock problem - I'd have the tire balance rechecked.
How does the drive shaft and u-joints look?
Factory shocks are usually cheap shocks - almost anything will be an improvement.

 

I am pretty sure that the new tires are not the problem did this before the new tire as well.


I did check the u joints some time ago but I do need to check them again I am glad you reminded me.


I think I might replace the rear shocks either way like you said the stock shocks are cheap.

 

I ordered bilstein rear shocks yesterday, when they come in I will check the driveshaft too.

 

let us know if this fixes your vibration problem

 

You happen to have aftermarket wheels on the truck?

 

No rims are stock 18"

 

Would like to hear the improvement with bilstein shock and if it solve the problem.

 

Ok just got them on last night. I checked the drive shaft and u joints too and they are tight.

I will have to say that it was not a night and day difference but I can tell that it helped. Mainly when I hit a bump it recovers faster and doesn't linger. I still have a shimmy not as bad when going down the highway at 70mph.

I was told to try the hard surface balance I might try to do that as well sometime soon. I will probably just go ahead and order some for the front next, those are probably in worse shape being on the heavy end of that duramax and a front replacement bumper.