For completeness, here's what I've just dropped off at my local recycling centre. I did my level best to make sure I collected as much of the old red stuff as I could during my multiple flushes with de-ironised water, ensuring I could ethically dispose of all the wase coolant.

[Linked Image]

And here's what the header tank looks like after the final bleed and fill with Prestone concentrate, a successful job that's clear from the difference in colour beteeen the old and new coolant.

[Linked Image]

Last edited by Montegue; 09/11/25 05:42 PM.