i put the beltech 2" shackle drop on my 02 f150 a few months ago and now 5K miles later I have a slow squeak squeak squeak under intial load. it will go away when i push the clutch in but as soon as i torque the rear i get it. if i accelerate hard it goes away and i never hear it above 15mph. it also does it when the truck is off and i roll it. Its mainly when i just slowly let the clutch out and accelerate normallly that i hear it.
any idea?