Painting Question, I Need Help

[Matt Starr]

If something is already painted can I just primer over it and repaint it or do I have to sand down the old paint first?

Thanks in advance

 

[Elton H]

id sand most of the old paint off so the new paint has something to bite into

 

[CSL]

id sand most of the old paint off so the new paint has something to bite into

agreed.

 

[beallen21]

yea at least rough it up a little