Thud going over speedbump after lift

Ok,
At one point I found a thread talking about this exact problem, but for the life of me I cannot find the thread. I know, search... I have been and I'm not finding anything.
Onto the issue:
I have a 2011 DCSB that I just lifted with and OME kit.
OME 9000/885 front
OME n182 rear w/ 1.5" aal
ToyTec sway bar relocation kit

When going over a speedbump over 20 mph I hear a thud. I heard this before I put the sway bar relocation kit on and figured that it was the sway bar hitting the spring perch, but even with the kit it still makes the sound. These are relatively low/long type of speedbumps. I have also checked both front uca's to see if they are contacting the spring at full droop and I can fit just about my entire hand between the uca and coil.
Any thoughts?

Thank you for your input.

 

probably the shock topping* out, happened to me ALL the time when I had the OME 3"

*topping out sorry, overextending

 

can you determine if its from the front or rear?

 

Shock bottoming out... really, I guess I thought there would be a little more travel. I guess that the only "fix" is to not fly over the speedbumps, what fun is that
It is funny that this didn't occur with the stock off road bilsteins.

 

I am almost positive that it is the front, you can hear it as the front goes over, before the back makes it over the bump.

 

08pretaco, I followed you.

 

Those were not preloaded either. I mean thats what I experienced, does not necessarily mean thats what you are experiencing. Have you pulled extended your front suspension and checked for any metal on metal contact such as UCA on coils or anything like that?

 

I tried to pull the suspension down, maybe I just didn't pull hard enough. Which could be that its the uca. I've been eyeing some LR uca's so this may be the push to go ahead and get them.

 

Ok, I think I found the culprit. I jacked the truck up, took the wheels off and found a small spot on the passenger coil where I think the uca is hitting. I am mobile at the minute and will post pics at some point. When looking at the coils the driver's side bottom end of coil it facing out. On the pass side the bottom end of the coil is facing in (towards the engine).

So, new question: will LR uca's solve this problem? Do they have more clearance btwn the uca and the coil when suspension droops?

 

I'm guessing that would require a spring compressor. Just disassemble coilover and rotate spring, then reassemble. I purchased these assembled from ToyTec, hoping that I wouldn't have to deal with that.

 

Also, just to be sure... Would I need a new alignment? I'm guessing no b/c it shouldn't change any geometry.

 

Thanks 98tacoma27. The help is appreciated.

 

Fast forward a week or so.... Go to Autozone, rent spring compressor... Get home, open up the storage bin underneath seats where I keep the key's for the stupid trd lug nut set and....... I can't find it anywhere....Gaaaaahhhhhhhhh!!!! Just wanted to vent a little.

 

Lug nut situation solved. Got the coil spun 180 deg. and the noise is still there over speedbumps. Which is a little bit of a bummer after about 2 hrs. worth of work. At this point the only thing I can think of is what has been stated above as over extension of the shock...

 

You know I have the same type of problem except that it's coming from the rear. Happens every time I go over a bump and for the life of me I can't figure it out. Are you sure its not coming from the rear? I think it my bump stop or has something to do,with it or the dakars.

 

I am gonna go out on a limb and say that I'm positive its from the front. The speed bumps here are the perfect size where you can feel the front go over the bump before the back has hit the bump at all. its a bit frustrating.