good if they have,although the prt isn't listed for pre 2001 models it is an upgrade that I and many others have fitted to theirs.
i would bet it needs bleeding but lets see how it goes
could still be coolant bottle or cap? try the other things first tho.
but tell us where yu are. Someone might be able to help.
L
what those 2 dont know about 1.8 coolant systems aint worth knowing.....