i have some OME dakar leafs, that are sagging after 2 months. i called arb, emailed a picture and this is what i got back.

Jason,
it looks like your spring perches are damaged leading to the springs being forced over the perches backward trying to follow the curve of the perch (you can see the springs splaying out on each side of the perch as the U-bolts pull the spring against it). It's very common on Toyota's and causes exactly the problem you've described. I've attached a document on what needs to be repaired on the truck to resolve it. Once the perches are flat the springs should come back to their original shape and you'll get your lift back.




the attachment is how to fix, by pounding up on the perch, but mine already have gussets, so i don't see how they could be rounded or bent

what do ya recon

 

I kinda see what ARB is saying but I disagree. It doesn't look like the perch is bent, it looks like it isn't long enough (length-wise). The perch should extend at least as far as the u-bolts otherwise your situation occurs. How much you torque those puppies to? Over-torquing would probably bend'em too. Is that a stock suspension bumper? It looks like it is too wide and pushes the u-bolts out beyond the perch aggravating the situation. IMHO you need to either do something with the bumper to move the u-bolts over the perch or lengthen and gusset the perch out to extend a little beyond the u-bolts.

 

I would get a better/closeup shot of the perch or better yet, pull the u-bolts, drop the axle down a little and take a picture with a straight edge on top of the perch. Stock perches are 4.75" long, assume yours are original along with the upper bump stop? Might consider installing a u-bolt flip kit with a flat plate on top and the u-bolts passing around the axle. I use a spring plate with upward bent ends to allow for better spring flex: