Quote:
Originally Posted by BlueRidge77
Thanks for the reference. Jetboy always knows his stuff. Now, I only know enough about this system to be dangerous… If the system is open all the time, then what purpose do the valves on the controller serve when performing lift installs? Or is that essentially just combining a “recal” of the system at the same time of lift install?
Here’s why I’m asking. I’m installing my Dobinsons lift on Thursday (finally…) and I want it to be as loose as possible to see if I can get it in without actually disconnecting the sway bars. Many seem to accomplish this… I don’t want to open the valve bolts because my driveway is not level and I don’t want to open them there. Thanks.
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I wouldn't be too worried about opening the valves in the driveway, so long as you close them before you drive off. Then go find a level place to open the valves back up and level it out as best as you can.
While the system is 'open/relaxed' at low speeds etc, the front and rear piston are still hydraulically connected. If you were to lift the front driver and rear passenger at the same time, then the system would be balanced, but if you lift both driver side tires, the system will develop anti-roll stiffness regardless of the valve positioning. So there are kind of multiple combinations of electronics and natural loads that allow KDSS to operate.
There have been many different ways of dealing with KDSS lift installs over the years.
This guy has a walk through install of his KDSS 4R and I don't think he uses opens the valves and it should be the same with your Dobinson setup.
Toyota 4Runner 2020 with KDSS Front Lift with Ironman4x4 suspension - YouTube
Toyota 4runner with KDSS Rear lift Explain - YouTube
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