"Mikail" <do
> Any one in the USA done this? interested in a US perspective.
> (hello from the UK)
>
> Coolant system holds 6 litres. Header tank holds one and a half
> Litres..(ethelene glycol at 50% as per manufactures spec)
> I can suck out the header tank in seconds with a vaccuum fluid remover
> and replace with fresh.
> The engine bay is a nightmare for access, none from above to coolant
> hoses (no drain plugs)

can't you get the vacuum tube to go into the radiator (remove cap)
you should be able to remove 75% of the fluid that way..