I have a 2024 Diahatsu S710 deck van. I had a 4" lift installed. I love the look and clearance that I gained, but since installing the lift the rear suspension is stiff to the point where is it very bouncey when going over even small bumps. Any thoughts on what I could do to smooth out the suspension? 200 lbs of corn in the box helps, but I don't want to have to always carry 200 pounds of corn around. Thanks for any help!
Pictures would help a lot. Did they add a leaf? Whole new leaf pack? New shocks? Or just longer shackles? You gave us nothing to go on.
My bad. It was just longer shackle components. No leafs. They sent longer shocks, but my installer said that they were to long and could actually allow the springs to fall out if the suspension maxed out. So, he didn't install the longer shocks.
So you have coil springs in the rear with trailing arms and panhard bar, from looking at pictures. I take it they installed spacers on the springs? I would guess that the trailing arms could use a drop bracket in the front to reduce the angle of them.
This is the kit that I installed, but have not installed the new shocks: https://www.grimports.com/product-page/daihatsu-japanese-minitruck-s710wv2 The rear suspension just bounces really bad on any bump. The wife needs a tighter bra...
I can only think of 2 things and that is the angle of the arms will make a bit of a difference and if any of the bushings are bound from the lift. I would while it’s sitting on the ground loosen all bolts that go trough the trailing arm and panhard bushings. Let them go to the new ride height then tighten. On such a light spring rate this might make quite the difference. Good chances any shock you put on will make it worse.
