Golf GTD Mk7
.....change the thermostat without losing loads of coolant? It's only just been changed really, so seems silly to flush it. Can you just syphon it out of the expansion tank and from any parts above the level of the stat and put it back once finished?
Also, does it matter if you mix coolants? I assume not as it will just be a mix of ethylene glycol, but you never know
Also, does it matter if you mix coolants? I assume not as it will just be a mix of ethylene glycol, but you never know