Type D coolant has discoloured (not sure why) so I’m going to drain and refill Any tips on draining / flushing / refilling / bleeding (I think I’ve located the 2 bleed points) Is it best to drain hot or cold ? Thanks
i use this when changing coolant https://www.eurocarparts.com/p/normfest-radclean-radiator-cleaner-250ml-NOR2897373 drain coolant (cold) remove thermostat and fill with de-ionized water and coolant flush (follow instructions on bottle) rinse the system thoughly with water fill with coolant - bleed screw on the thermostat housing and on the pipes entering the cabin near the brake reservoir
as Matt says But if you are going to do a flush, i would remove the heater pipes and get a hose pipe in there, blasting it in both directions, back flushing will shift loads of shite and ideally before you start put the temp on the heater on max. There is a drain point on the bottom of the rad drivers side, you could blast water in there that would shift any sediment also. If your doing this its worth using the pink 5 year long life antifreeze, its a lot cheaper easier to get hold of as well, i have been using it for years and not had any problems.
Thanks for the advice chaps - a bit more involved than just dropping off the bottom hose ! Already got the green Reno type D stuff to go in