why 2007 cadillac esalade front hvac not blowing

What is your question?

Ones day my Front hvac stopped blowing in the front and it works in the back only, a couple days later it starting working again, but now it has stopped working again and i can't figure out why...

What makes this problem better or worse?

nothing

How long has your 2007 Cadillac Escalade ESV had this problem?

all within the last 2 weeks