Audio Systems: car antenna, car antenna, spray oil

Question
my 1984 chrysler 5th ave has an antenna that comes up out of the fender. the problem is most times it dosent come up  other times it works in spurts.what can i do

Answer
open the antenna all the way and spray a lot of wd40 oil and clean all the oil with a paper
close the antenna and open it 3 more times, pull on it if it needs help
it will also be a good idea if someone can turn on and off the radio for you
spray oil again and cleand  if this didn't help you have to replace it
they can't be fix

good luck