Thanks for the tip, Ray. The old guides are completely removed and destroyed. I'll have to install new ones like Jerry stated.
My old guides appeared to have integral flanges (what I referred as collars). I have been trying to locate that type with no luck.
Bobb, I'm afraid I haven't had much luck with anyone in my area concerning pressing the guides. I may have to do it myself. Jerry offered a procedure that I am willing to try.
Jerry, thanks for the help. Maybe I should buy a few extra just in case?