gfd13

i have diagnosed that the actuator is the problem with the grinding on my 4x4 i have 20 psi on all vacuum lines and i have the upgraded solinoid on the fire wall. to change the actuator do i have to remove the lower ball joint and axle to change that? any tips or advice would be greatly appreciated

60DRB

Here you go. Has pictures, and a list of tools needed.
http://www.f150online.com/forums/2004-2008-f-150/360269-iwes-removal-replacing.html
It's not too difficult at all, and saves you a few hundred $$ in labor. You can get the IWEs for about $75-80 apiece if you buy them online.

gfd13

thanks a bunch that is super help full. i didnt replace the vacuum solinod on mine yet because it is the upgraded one already. would that still possibly be the issue or could the actuators have malfunctioned on there own

Gilles Minor

replacing actuators what are tork valiuse on all nuts