I just did my 74 RR, with the plastic bushing.I learned to leave my wiper motor on the cars and unbolt the regulators and unhook off of wiper motor,and took regulators and shafts out in one piece. I put new bushings in rod and had to tap them on my regulators with a rubber mallet, they were a [Edited by Moparts - Family Friendly Site - Keep it clean], then i played with them for an hour getting them back in, but I got em, didn't cuse to much, then hooked up on wiper motor and they work prefect on all three speeds. After i got them on regulator i sprayed bushings with white lube,stuck back in as one unit,all hooked up, installing drivers side reg, first,then passenger, then to motor.