change them both while your in there...
don't know if you saw this thread
http://www.forabodiesonly.com/mopar/showthread.php?t=35796&highlight=wiper+arm+seal
when i did mine i used some stiff wire to roto-router the drain hole on the ends of the cowl while i washed it out with water. took out 1/2 a pound of crap that i couldn't even see from above
good luck :glasses7:
