hoobby Posted May 22, 2019 Share Posted May 22, 2019 (edited) Is this just rust reacting with the antifreeze I take it I need to drain and clean out. Edited May 22, 2019 by hoobby Quote Link to comment Share on other sites More sharing options...
®evo03 Posted May 22, 2019 Share Posted May 22, 2019 Seems to have caked somewhere and broke free, nothing wrong with cake on your fingers! Are you running a alloy engine, if oldschool cih, should you be running blue! Was told, or knew blue for old, red for alloy, redtops, motorbikes etc! Quote Link to comment Share on other sites More sharing options...
hoobby Posted May 22, 2019 Author Share Posted May 22, 2019 Cih on blue antifreeze this stuff was sitting on the surface under the rad cap very probably the full lenght broke like thin ice did have green in there before (flushed) thought either rust or antifreeze mixing.car has sat for 4 months with new antifreeze will drain down,clean and flush. Quote Link to comment Share on other sites More sharing options...
Sutty2006 Posted May 23, 2019 Share Posted May 23, 2019 Flush it out with water then refill with blue coolant, you should be fine. It'll just be a slight build up of corrosion from somewhere but its nowt to worry about. Ive been using blue coolant in alloy engines for years without issue..... but remember, dont mix blue and red coolant together, they dont like each other! Quote Link to comment Share on other sites More sharing options...
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