How do you change the cam belt on a VW polo hachback 1987?

I have just got this car, and was told that the cam belt have not been changed shince the 90's. I think it time she had a new one, can any on e walk me though how to change it.How do you change the cam belt on a VW polo hachback 1987?The best thing to do is go to amazon or ebay and purchase the Haynes or Chilton's repair manual for your car. They are relatively cheap-like $10-15. They take you through the entire process with pictures. Good luck.How do you change the cam belt on a VW polo hachback 1987?Do yourself a favor and go buy a repair manual.