Get a tray underneath your engine ready to catch it all, take off your coolant filler cap from the expansion tank.ahhhh LOL:
ok well i think id better replace it though anyways... do you know how to drain etc??
cheers mate, i think ill take your advice, a good flush cant hurt nothing!As well as draining I think it's a good idea to flush the system with fresh water. If you don't know what coolant was in there you probably need to go for a drive to circulate the fresh water around to make sure there are no pockets of old coolant around the thermostat. I'm not sure if it's important, but I let the engine cool down somewhat before draining.
I now use only the genuine VW G12+ coolant because I think quality coolant is important.
I would mix the ratio correctly in a container & then pour into your van. I was caught on our Polo putting the water in first & then trying to pour the coolant in last, it would not all fit even though I supposedly had the correct capacity.
The first thing is don't go back to that garage. The coolant must never be brown. Drain all the coolant, fill with fresh water, drive around & then drain again. Clean the inside of the reservoir so you can tell when it is clear & none of the old coolant remains. When you are happy that this is the case, fill with correct ratio of coolant.Not to sure what to say about that, the garage say's the brown water does no harm. :*