2003 tdi golf clanking HELP PLEASE!?

hello, my car (2003 1.9 golf match TDI) is clanking when i hardlock it to the right. i had it looked at quickly and it appeared to be to do with the air con unit. when i had my mot it was recommended i have the suspension bushes changed soon. any idea what it could be (only does it when turning right also had a small squeal from the fan belt bu dont think thats causing the clank.....help please!!!!!!