Tom: I am not trying to insult anyone but there is a coming misty often made. Reading thru this thread I notice one thing that was not mentioned and that is a right and wrong way to install the washer. I believe the shoulder should be down so the shoulder prevents the screw from touching the truck frame and keeps the roller assembly centered on the truck with the insulator pad between the assembly n the truck. If that shoulder is crushed to deformed in any way which is common in the older PW Stuff it will prevent the insulting factor for the screw as designed.
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