Engine temp going up and blowing cold air
 

Through the heaters? is this because its frozen although i put a big bottle of anti-freeze in....After i noticed the temp climbing i went back home before it hit the red mark and the light came on. Will this cause it damage? it was running fine by the way.

Air lock by sounds of it bleed the system

Ok cheers mate.

Just put some anti-freeze in, well i say some it was about 200 ml then it was full? but brown rusty water it was?

Ideally you want to flush the whole system out and bleed it. Bleeding it, is letting the air out not adding anti freeze to it. Theres a guide somewhere

Ok thank you, i put it on the queries section so this can be deleted now.

this happened to me the other day mate, running my car while de iced the windscreen got in and noticed it was climbing up temp so whacked it off opened the bonnet and noticed had bit of slush so whacked anti freeze in squeezed pipes and left till after work jumped in it drove and after that the heaters started working again after good run luckily didnt have anything bad or anything seriously wrong so was lucky lol

make sure you're bleeding it when you top it back up, otherwise you could get some nasty airlocks and melt stuff!

can someone post a guide to bleeding the system please, i could do with it myelf

open the bleed nipples and run it till coolant is coming out of them all