Sportruck.com - How To: Polyurethane Suspension

	Take note of the position of upper control arm bolts. The upper control arms are adjusted to change camber and castor angles. The offset washers allow the arms to slide along the mounting slots. Take photos or good notes of the positions of all these bolts (there is an arrow on each washer). You will need to return the bolts to these positions to maintain proper alignment.
	Remove the upper control arm bolts.
	The rear bolt has a nut on the back side that is nearly impossible to reach from the outside, we had to crawl underneath the truck to get a wrench on it.
	Now you can remove the upper control arms. Here is one of the upper control arms removed from the truck.
	Note that the bushings have special washers attached to the bushing shafts.
	Carefully remove these steel washers from ends of bushing shafts. Retain these for use with the new control arm bushings.
	Here is a look at the stock rubber bushing. These were pressed in with tons of pressure. The rubber flows and deforms to fit into the opening. The worn bushings are very hard to remove unless you have a hydraulic shop press. It is possible to melt or burn the bushing with a torch. While this is an easy method, it is messy and smells terrible. Another option is to take the control arms to a shop that has a press and the proper size collars to push out the old bushings and install the new ones.