Bam Margera is on the run from cops, but he's still contacting family members with disturbing and aggressive phone calls ... blaming them for his struggles.
Sources close to Margera tell us ... Bam's family is clueless as to where he fled since disappearing Sunday. We're told everyone who loves Bam is extremely worried -- he's been a loose cannon lately and they want him to come home so they can help him.
What's more ... our sources say Bam has made random calls to family members -- seemingly intoxicated -- telling them how much he hates all of them for putting him in a Florida treatment center last year.