Tear down

[Keith Sturtz]

Am about to remove head from 1990 Audi TQ NEEED all advice help i can 
get email direct syfer at mindspring.com or post to list .
I am removeing head to find problem i(i think bad head gasket) were 
exaust is going into the cooling system IE i will fill it up and i can 
see air bubles in the over flow if i leave cap off fill/overflow iand 
let run it will push all the water out if i close cap it will build 
pressure and blow radiater.
Any help i can get as i am a novice when putting back together dito on 
all the help i can get.
I will wait for advise a few days before i start.
Keith