make sure that the hose from nipple at top of radiator is going to the correct port on the bottle and not to the overflow connection right below the radiator cap.i have seen this mistake made several times.

__________________
David S Poole
European Performance
Dallas, TX
4696880422

"Fortune favors the prepared mind"
1987 Mercedes Benz 420SEL
1988 Mercedes Benz 300TE (With new evaporator)
2000 Mercedes Benz C280
http://www.w108.org/gallery/albums/A...1159.thumb.jpg